দশম শ্রেণীর জীবন বিজ্ঞান : জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন ও উত্তর | WBBSE Class 10th Life science [Chapter II] Question and Answer

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দশম শ্রেণীর জীবন বিজ্ঞান : জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর | WBBSE Class 10th Life science [Chapter II] Question and Answer

জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন ও উত্তর | Class 10 Life science Question and Answer : জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন ও উত্তর | Class 10 Life science Question and Answer নিচে দেওয়া হলো। এই West Bengal WBBSE Class 10th Life science Question and Answer, Suggestion, Notes | দশম শ্রেণীর জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) থেকে বহুবিকল্পভিত্তিক, সংক্ষিপ্ত, অতিসংক্ষিপ্ত এবং রোচনাধর্মী প্রশ্ন উত্তর (MCQ, Very Short, Short, Descriptive Question and Answer) গুলি আগামী West Bengal Class 10th MADHYAMIK MADHYAMIKLife science Examination – পশ্চিমবঙ্গ দশম শ্রেণীর জীবন বিজ্ঞান পরীক্ষার জন্য খুব ইম্পর্টেন্ট। দশম শ্রেণীর জীবন বিজ্ঞান পরীক্ষা তে এই সাজেশন বা কোশ্চেন জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন ও উত্তর | Class 10 Life science Question and Answer গুলো আসার সম্ভাবনা খুব বেশি।

1. যে প্রকার কোশ বিভাজন জটিল ও দীর্ঘ তা হল-                                                                                                                                                                          

[A] অ্যামাইটোসিস                                                                                                                                                                                                  

[B] মিয়োসিস I                                                                                                                                                                                                                      

[C] মিয়োসিস II                                                                                                                                                                                                                   

[D] মাইটোসিস                                                                                                                                                                                                       

উত্তর :- [D] মাইটোসিস                                                                                                                                                                                                       

2. যে দশায় অবস্থানকালে কোশ বিভাজিত হতে পারে না, সেটি হল-                                                                                                                                                                          

[A] G1 দশা                                                                                                                                                                                                                      

[B] G2 দশা                                                                                                                                                                                                                

[C] S দশা                                                                                                                                                                                                                

[D] G0 দশা                                                                                                                                                                                                                

উত্তর :- [D] G0 দশা                                                                                                                                                                                                                

3. কোশ বিভাজনের যে দশায় ক্রোমোজোম সংখ্যা গণনা করা যায় তার নাম-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [B] মেটাফেজ                                                                                                                                                                                                        

4. মিয়োসিস কোশ বিভাজন হল-                                                                                                                                                                          

[A] সময়বিভাজন                                                                                                                                                                                                    

[B] বহুবিভাজন                                                                                                                                                                                                      

[C] অসমবিভাজন                                                                                                                                                                                                   

[D] হ্রাস বিভাজন                                                                                                                                                                                                          

উত্তর :- [D] হ্রাস বিভাজন                                                                                                                                                                                                          

5. দেহকোশে ক্রোমোজোম থাকে-                                                                                                                                                                          

[A] 4N                                                                                                                                                                                                                

[B] 3N                                                                                                                                                                                                                

[C] 2N                                                                                                                                                                                                                

[D] N                                                                                                                                                                                                                  

উত্তর :- [C] 2N                                                                                                                                                                                                                

6. জাইগোটের ক্রোমোজোমীয় প্রকৃতি হল-                                                                                                                                                                          

[A] 2N                                                                                                                                                                                                                

[B] N                                                                                                                                                                                                                  

[C] 3N                                                                                                                                                                                                                

[D] 4N                                                                                                                                                                                                                

উত্তর :- [A] 2N                                                                                                                                                                                                                

7. ডিম্বাণুর ক্রোমোজোম হল-                                                                                                                                                                          

[A] ডিপ্লয়েড                                                                                                                                                                                                         

[B] ট্রিপ্লয়েড                                                                                                                                                                                                          

[C] পেন্টাপ্লয়েড                                                                                                                                                                                                     

[D] হ্যাপ্লয়েড                                                                                                                                                                                                         

উত্তর :- [D] হ্যাপ্লয়েড                                                                                                                                                                                                         

8. যে-কোনো কলাকোশ থেকে কোশ বিভাজনের দ্বারা সম্পুর্ন উদ্ভিদ সৃষ্টিকে বলে-                                                                                                                                                                          

[A] জনুক্রম                                                                                                                                                                                                           

[B] অপুংজনি                                                                                                                                                                                                         

[C] টোটিপোটেন্সি                                                                                                                                                                                                   

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] টোটিপোটেন্সি                                                                                                                                                                                                   

উপভাবমূল > 2C- সপুষ্পক উদ্ভিদের যৌন জনন                                                                                                                                                                                                              

9. একটি সম্পুর্ণ, সমাঙ্গ, মুক্তদল ফুল হল-                                                                                                                                                                          

[A] ধুতরো                                                                                                                                                                                                                          

[B] বক                                                                                                                                                                                                                      

[C] জবা                                                                                                                                                                                                                

[D] কুমড়ো                                                                                                                                                                                                           

উত্তর :- [C] জবা                                                                                                                                                                                                                

10. একটি সম্পুর্ণ, সমাঙ্গ, যুক্তদল ফুল হল-                                                                                                                                                                          

[A] জবা                                                                                                                                                                                                                

[B] ধুতরো                                                                                                                                                                                                             

[C] বক                                                                                                                                                                                                                 

[D] কুমড়ো                                                                                                                                                                                                           

উত্তর :- [B] ধুতরো                                                                                                                                                                                                             

11. একটি অসমাঙ্গ ও উভলিঙ্গ ফুল হল-                                                                                                                                                                          

[A] অপরাজিতা                                                                                                                                                                                                      

[B] কুমড়ো                                                                                                                                                                                                           

[C] ধুতরো                                                                                                                                                                                                             

[D] জবা                                                                                                                                                                                                                

উত্তর :- [A] অপরাজিতা                                                                                                                                                                                                      

12. একটি অসুম্পুর্ণ, সমাঙ্গ, একলিঙ্গ ফুল হল-                                                                                                                                                                          

[A] জবা                                                                                                                                                                                                                

[B] ধুতরো                                                                                                                                                                                                             

[C] কুমড়ো                                                                                                                                                                                                           

[D] অপরাজিতা                                                                                                                                                                                                      

উত্তর :- [C] কুমড়ো                                                                                                                                                                                                           

13. নীচের যেটি উভলিঙ্গ ফুল নয়, সেটি হল-                                                                                                                                                                          

[A] ধুতরো                                                                                                                                                                                                             

[B] রজনিগন্ধা                                                                                                                                                                                                        

[C] বক                                                                                                                                                                                                                 

[D] লাউ                                                                                                                                                                                                               

উত্তর :- [D] লাউ                                                                                                                                                                                                               

14. জবা ফুলের গর্ভমুন্ডের সংখ্যা                                                                                                                                                                   

[A] 2 টি                                                                                                                                                                                                                   

[B] 3 টি                                                                                                                                                                                                                   

[C] 5 টি                                                                                                                                                                                                                   

[D] অসংখ্য                                                                                                                                                                                                           

উত্তর :- [C] 5 টি                                                                                                                                                                                                                   

15. জবা ফুলের বৃত্যংশের সংখ্যা-                                                                                                                                                                          

[A] 3 টি                                                                                                                                                                                                                   

[B] 4 টি                                                                                                                                                                                                                   

[C] 5 টি                                                                                                                                                                                                                   

[D] 6 টি                                                                                                                                                                                                                   

উত্তর :- [C] 5 টি                                                                                                                                                                                                                   

16. পুষ্পপুট যে ফুলে দেখা যায়, সেটি হল-                                                                                                                                                                          

[A] রজনিগন্ধা                                                                                                                                                                                                        

[B] ধুতরো                                                                                                                                                                                                             

[C] সূর্যমুখী                                                                                                                                                                                                            

[D] জবা                                                                                                                                                                                                                

উত্তর :- [A] রজনিগন্ধা                                                                                                                                                                                                        

17. ফুলের সর্বাপেক্ষা বাইরের স্তবক হল-                                                                                                                                                                          

[A] বৃতি                                                                                                                                                                                                                

[B] পুষ্পাক্ষ                                                                                                                                                                                                           

[C] দলমন্ডল                                                                                                                                                                                                         

[D] পুংস্তবক                                                                                                                                                                                                          

উত্তর :- [A] বৃতি                                                                                                                                                                                                                

18. নীচের যেটি স্ত্রীস্তবকের বা গর্ভকেশর চক্রের অংশ নয়, সেটি হল-                                                                                                                                                                          

[A] গর্ভমুন্ড                                                                                                                                                                                                           

[B] গর্ভদন্ড                                                                                                                                                                                                           

[C] পরাগ                                                                                                                                                                                                              

[D] ডিম্বক                                                                                                                                                                                                             

উত্তর :- [C] পরাগ                                                                                                                                                                                                              

19. নীচের যেটি পুংকেশর চক্র বা পুংস্তবকের অংশ নয়, সেটি হল-                                                                                                                                                                          

[A] পরাগধনী                                                                                                                                                                                                         

[B] পুংদন্ড                                                                                                                                                                                                            

[C] ডিম্বক                                                                                                                                                                                                             

[D] পরাগ                                                                                                                                                                                                              

উত্তর :- [C] ডিম্বক                                                                                                                                                                                                             

20. উপবৃতি থাকে-                                                                                                                                                                          

[A] বকফুলে                                                                                                                                                                                                          

[B] জবা ফুলে                                                                                                                                                                                                               

[C] মটর ফুলে                                                                                                                                                                                                               

[D] ধুতরো ফুলে                                                                                                                                                                                                               

উত্তর :- [B] জবা ফুলে                                                                                                                                                                                                               

21. নিষিক্ত ডিম্বাণু পরিবর্তিত হয়ে গঠন করে-                                                                                                                                                                          

[A] ভ্রুণ                                                                                                                                                                                                                

[B] বীজ                                                                                                                                                                                                                

[C] ডিম্বক                                                                                                                                                                                                             

[D] ফল                                                                                                                                                                                                                

উত্তর :- [A] ভ্রুণ                                                                                                                                                                                                                

22. পরাগরেণু সৃষ্টি হয়-                                                                                                                                                                          

[A] গর্ভমুন্ডে                                                                                                                                                                                                         

[B] পুংকেশর                                                                                                                                                                                                         

[C] গর্ভকেশরে                                                                                                                                                                                                      

[D] পরাগধানীতে                                                                                                                                                                                                    

উত্তর :- [D] পরাগধানীতে                                                                                                                                                                                                    

23. বীজ সৃষ্টি হয়-                                                                                                                                                                          

[A] গর্ভমুন্ড থেকে                                                                                                                                                                                                                      

[B] ডিম্বক থেকে                                                                                                                                                                                                             

[C] ডিম্বাণু থেকে                                                                                                                                                                                                             

[D] ডিম্বাশয়                                                                                                                                                                                                           

উত্তর :- [B] ডিম্বক থেকে                                                                                                                                                                                                             

24. জননের জন্য পরিবর্তিত, সীমিত বৃদ্ধিসম্পন্ন ও ফল ও বীজ সৃষ্টিকারী বিতপকে বলে-                                                                                                                                                                          

[A] সম্পুর্ণ ফুল                                                                                                                                                                                                                

[B] ফুল                                                                                                                                                                                                                

[C] বিটপ                                                                                                                                                                                                              

[D] ফল                                                                                                                                                                                                                

উত্তর :- [C] বিটপ                                                                                                                                                                                                              

25. যদি পরাগনালী ডিম্বকরন্ধ্র পথে ডিম্বকে প্রবেশ করে, তাহলে তাকে বলে-                                                                                                                                                                          

[A] মেসোগ্যামি                                                                                                                                                                                                      

[B] পোরোগ্যামি                                                                                                                                                                                                     

[C] চ্যালাজোগ্যামি                                                                                                                                                                                                  

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] পোরোগ্যামি                                                                                                                                                                                                     

26. ফুল হল একপ্রকার রূপান্তরিত-                                                                                                                                                                          

[A] মূল                                                                                                                                                                                                                 

[B] পাতা                                                                                                                                                                                                              

[C] পুষ্পবিন্যাস                                                                                                                                                                                                       

[D] বিটপ                                                                                                                                                                                                              

উত্তর :- [D] বিটপ                                                                                                                                                                                                              

27. যেসব ফুলের পুষ্পাক্ষের ওপর বৃতি, দলমন্ডল, পুংস্তবক ও স্ত্রীস্তবক এই চারটি স্তবক সাজানো থাকে, তাকে বলে-                                                                                                                                                                          

[A] সমাঙ্গ ফুল                                                                                                                                                                                                                

[B] সম্পুর্ন ফুল                                                                                                                                                                                                                

[C] পুষ্পবিন্যাস                                                                                                                                                                                                       

[D] অসম্পুর্ণ ফুল                                                                                                                                                                                                                

উত্তর :- [B] সম্পুর্ন ফুল                                                                                                                                                                                                                

28. ফুলের আনুষঙ্গিক বা সাহায্যকারী স্তবক হল-                                                                                                                                                                          

[A] বৃতি ও স্ত্রীস্তবক                                                                                                                                                                                                           

[B] পুংস্তবক ও স্ত্রীস্তবক                                                                                                                                                                                                           

[C] পাপড়ি ও বৃতি                                                                                                                                                                                                                

[D] পাপড়ি ও পুংস্তবক                                                                                                                                                                                                          

উত্তর :- [C] পাপড়ি ও বৃতি                                                                                                                                                                                                                

29. পুংস্তবক ও স্ত্রীস্তবকের মধ্যে যে- কোনো একটি অনুপস্থিত থাকলে, সেই ফুলকে বলে-                                                                                                                                                                          

[A] উভলিঙ্গ ফুল                                                                                                                                                                                                                      

[B] সমাঙ্গ ফুল                                                                                                                                                                                                                

[C] অনাবর্ত ফুল                                                                                                                                                                                                                

[D] একলিঙ্গ ফুল                                                                                                                                                                                                                

উত্তর :- [D] একলিঙ্গ ফুল                                                                                                                                                                                                                

30. পুংস্তবক স্ত্রীস্তবক উভয়ই উপস্থিত থাকলে, সেইফুল্কে বলে-                                                                                                                                                                          

[A] একলিঙ্গ ফুল                                                                                                                                                                                                                

[B] উভলিঙ্গ ফুল                                                                                                                                                                                                                

[C] বহুপ্রতিসম ফুল                                                                                                                                                                                                                

[D] সমাঙ্গ ফুল                                                                                                                                                                                                                

উত্তর :- [B] উভলিঙ্গ ফুল                                                                                                                                                                                                                

31. ভ্রুণাণু বা জাইগোটের ক্রোমোজোম সংখ্যা-                                                                                                                                                                          

[A] N                                                                                                                                                                                                                  

[B] 2N                                                                                                                                                                                                                

[C] 3N                                                                                                                                                                                                                

[D] 4N                                                                                                                                                                                                                

উত্তর :- [B] 2N                                                                                                                                                                                                                

32. কোনো পুষ্পে বৃতি ও পাপড়ি এই দুই স্তবকের পরিবর্তে একটি স্তবক থাকলে, তাকে বলে-                                                                                                                                                                          

[A] পুষ্পাক্ষ                                                                                                                                                                                                           

[B] পুষ্পপুট                                                                                                                                                                                                           

[C] নগ্ন পুষ্প                                                                                                                                                                                                               

[D] পুষ্পপত্র                                                                                                                                                                                                           

উত্তর :- [B] পুষ্পপুট                                                                                                                                                                                                           

33. পুংস্তবক এবং স্ত্রীস্তবক জননে সক্রিয় অংশগ্রহণ করে, তাই এদের বলা হয়-                                                                                                                                                                          

[A] সাহায্যকারী স্তবক                                                                                                                                                                                                              

[B] আনুষঙ্গিক স্তবক                                                                                                                                                                                                              

[C] অপরিহার্য স্তবক                                                                                                                                                                                                              

[D] অপ্রয়োজনীয় স্তবক                                                                                                                                                                                                              

উত্তর :- [C] অপরিহার্য স্তবক                                                                                                                                                                                                              

34. মাইটোসিসের অতন্ত্য স্বল্পস্থায়ী দশাটি হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [C] অ্যানাফেজ                                                                                                                                                                                                       

35. মাইটোসিসের যে দশায় সিস্টার ক্রোমটিডগুলি আলাদা হয়ে যায় তা হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [C] অ্যানাফেজ                                                                                                                                                                                                       

36. মাইটোসিস দীর্ঘতম দশাটি হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [A] প্রোফেজ                                                                                                                                                                                                         

37. একটি কোশ থেকে 128 টি কোশ তৈরি করতে যতবার মাইটোসিস বিভাজনের প্রয়োজন হয়, তা হল-                                                                                                                                                                          

[A] 7 বার                                                                                                                                                                                                                 

[B] 14 বার                                                                                                                                                                                                                 

[C] 16 বার                                                                                                                                                                                                                 

[D] 32 বার                                                                                                                                                                                                                 

উত্তর :- [A] 7 বার                                                                                                                                                                                                                 

38. ক্রোমোজোমের হিস্টোন প্রোটিন হল-                                                                                                                                                                          

[A] দুই প্রকার                                                                                                                                                                                                             

[B] তিন প্রকার                                                                                                                                                                                                             

[C] পাঁচ প্রকার                                                                                                                                                                                                             

[D] ছয় প্রকার                                                                                                                                                                                                             

উত্তর :- [C] পাঁচ প্রকার                                                                                                                                                                                                             

39. ব্যাকটেরিয়ার কোশ বিভাজন পদ্ধতিটি হল-                                                                                                                                                                          

[A] মাইটোসিস                                                                                                                                                                                                       

[B] অ্যামাইটোসিস                                                                                                                                                                                                  

[C] মিয়োসিস                                                                                                                                                                                                         

[D] এন্ডোমাইটোসিস                                                                                                                                                                                               

উত্তর :- [B] অ্যামাইটোসিস                                                                                                                                                                                                  

40. প্রতক্ষ্য বিভাজন পদ্ধতি হল-                                                                                                                                                                          

[A] মাইটোসিস                                                                                                                                                                                                                      

[B] মিয়োসিস                                                                                                                                                                                                         

[C] অ্যামাইটোসিস                                                                                                                                                                                                  

[D] এন্ডোমাইটোসিস                                                                                                                                                                                               

উত্তর :- [C] অ্যামাইটোসিস                                                                                                                                                                                                  

41. অ্যানাস্ট্রাল মাইটোসিস দেখা যায়-                                                                                                                                                                          

[A] সকল সজীব বস্তুতে                                                                                                                                                                                                            

[B] উচ্চশ্রেণির উদ্ভিদে                                                                                                                                                                                                            

[C] উচ্চশ্রেণির প্রাণীতে                                                                                                                                                                                                           

[D] নিম্নশ্রেণির প্রাণীতে                                                                                                                                                                                                           

উত্তর :- [B] উচ্চশ্রেণির উদ্ভিদে                                                                                                                                                                                                            

42. ক্রোমোজোমীয় চলন, নিউক্লিয় পর্দায় অবলুপ্তি, কিছুই ঘটে না যে কোশ বিভাজনে, তা হল-                                                                                                                                                                          

[A] মাইটোসিস                                                                                                                                                                                                       

[B] মিয়োসিস                                                                                                                                                                                                         

[C] অ্যামাইটোসিস                                                                                                                                                                                                  

[D] (A) ও (B) উভয়েই                                                                                                                                                                                                          

উত্তর :- [C] অ্যামাইটোসিস                                                                                                                                                                                                  

43. অ্যানাফেজীয় চলনকালে মেটাসেন্ট্রিক ক্রোমোজোমের আকৃতি-                                                                                                                                                                          

[A] I অক্ষরের মতো                                                                                                                                                                                                              

[B] J অক্ষরের মতো                                                                                                                                                                                                              

[C] V অক্ষরের মতো                                                                                                                                                                                                              

[D] L অক্ষরের মতো                                                                                                                                                                                                              

উত্তর :- [C] V অক্ষরের মতো                                                                                                                                                                                                              

44. নাইট্রোজেনযুক্ত ক্ষারগুলির মধ্যে যেটি RNA-তে থাকে না সেটি হল-                                                                                                                                                                          

[A] অ্যাডেনিন                                                                                                                                                                                                        

[B] গুয়ানিন                                                                                                                                                                                                           

[C] সাইটোসিন                                                                                                                                                                                                       

[D] থাইমিন                                                                                                                                                                                                           

উত্তর :- [D] থাইমিন                                                                                                                                                                                                           

45. নাইট্রোজেনযুক্ত ক্ষারগুলির মধ্যে যেটি DNA-তে থাকে না সেটি হল-                                                                                                                                                                          

[A] ইউরাসিল                                                                                                                                                                                                         

[B] সাইটোসিন                                                                                                                                                                                                       

[C] অ্যাডেনিন                                                                                                                                                                                                        

[D] গুয়ানিন                                                                                                                                                                                                           

উত্তর :- [A] ইউরাসিল                                                                                                                                                                                                         

46. শুক্রাণু ও ডিম্বাণু উৎপাদিত হয়-                                                                                                                                                                          

[A] মাইটোসিস পদ্ধতিতে                                                                                                                                                                                                        

[B] মিয়োসিস পদ্ধতিতে                                                                                                                                                                                                        

[C] অ্যামাইটোসিস পদ্ধতিতে                                                                                                                                                                                                        

[D] কোরকোদ্‌গম পদ্ধতিতে                                                                                                                                                                                                        

উত্তর :- [B] মিয়োসিস পদ্ধতিতে                                                                                                                                                                                                        

47. একটি প্রোক্যারিওটিক কোশের চিত্র আঁকার সময়ে তুমি তাতে নিম্নলিখিতগুলির মধ্যে কোনটির উপস্থিতি দেখাবে না-                                                                                                                                                                          

[A] মাইটোকনড্রিয়া                                                                                                                                                                                                                      

[B] ক্রোমাটোফের                                                                                                                                                                                                   

[C] মেসোজোম                                                                                                                                                                                                      

[D] নিউক্লিওয়েড                                                                                                                                                                                                   

উত্তর :- [A] মাইটোকনড্রিয়া                                                                                                                                                                                                                      

48. সাইটোকাইনেসিস শব্দটি প্রণয়ন করেন বিজ্ঞানী-                                                                                                                                                                          

[A] বোভেরি                                                                                                                                                                                                          

[B] রিম্যাক                                                                                                                                                                                                            

[C] হুইটম্যান                                                                                                                                                                                                         

[D] ল্যামার্ক                                                                                                                                                                                                           

উত্তর :- [C] হুইটম্যান                                                                                                                                                                                                         

49. ক্ষুদ্র ও স্পষ্ট ক্রোমোজোম দেখা যায় যে দশায়, তা হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] অ্যানাফেজ                                                                                                                                                                                                       

[C] টেলোফেজ                                                                                                                                                                                                      

[D] মেটাফেজ                                                                                                                                                                                                        

উত্তর :- [D] মেটাফেজ                                                                                                                                                                                                        

50. ক্রসিং ওভারের একক হল-                                                                                                                                                                          

[A] ক্লোরোপ্লাস্ট                                                                                                                                                                                                     

[B] রাইবোজোম                                                                                                                                                                                                     

[C] ক্রোমোটিভ                                                                                                                                                                                                      

[D] লাইসোজোম                                                                                                                                                                                                    

উত্তর :- [C] ক্রোমোটিভ                                                                                                                                                                                                      

51. দেহকোশে ক্রোমোজোম সংখ্যা 46 হলে কোনপ্রকার কোশ বিভাজনে অপত্যকোশে ক্রোমোজোম সংখ্যা 23 হবে-                                                                                                                                                                          

[A] মাইটোসিস                                                                                                                                                                                                       

[B] মিয়োসিস                                                                                                                                                                                                         

[C] অ্যামাইটোসিস                                                                                                                                                                                                  

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] মিয়োসিস                                                                                                                                                                                                         

52. কোনো জীবের ক্রোমোজোম সংখ্যা 2N = 24 হলে জীবের শুক্রাণু/ডিম্বাণুতে ক্রোমোজোম সংখ্যা হবে-                                                                                                                                                                          

[A] 6                                                                                                                                                                                                                   

[B] 12                                                                                                                                                                                                                 

[C] 18                                                                                                                                                                                                                 

[D] 24                                                                                                                                                                                                                 

উত্তর :- [B] 12                                                                                                                                                                                                                 

53. প্রতিটি ক্রোমোজোমে ক্রোমাটিভের সংখ্যা-                                                                                                                                                                          

[A] 4                                                                                                                                                                                                                   

[B] 2                                                                                                                                                                                                                   

[C] 6                                                                                                                                                                                                                   

[D] 8                                                                                                                                                                                                                   

উত্তর :- [B] 2                                                                                                                                                                                                                   

54. মানুষের জননকোশে ক্রোমোজোম সংখ্যা-                                                                                                                                                                          

[A] 46                                                                                                                                                                                                                 

[B] 50                                                                                                                                                                                                                 

[C] 23                                                                                                                                                                                                                 

[D] 10                                                                                                                                                                                                                 

উত্তর :- [C] 23                                                                                                                                                                                                                 

55. ক্রসিং ওভার কোথায় ঘটে?                                                                                                                                                                          

[A] অ্যামাইটোসিসে                                                                                                                                                                                                 

[B] মাইটোসিসে                                                                                                                                                                                                     

[C] মিয়োসিসে                                                                                                                                                                                                       

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] মিয়োসিসে                                                                                                                                                                                                       

56. যে জীবে অ্যামাইটোসিস কোশ বিভাজন দেখা যায়, তা হল-                                                                                                                                                                          

[A] মানুষ                                                                                                                                                                                                              

[B] মটর উদ্ভিদ                                                                                                                                                                                                             

[C] অ্যামিবা                                                                                                                                                                                                           

[D] ব্যাং                                                                                                                                                                                                                

উত্তর :- [C] অ্যামিবা                                                                                                                                                                                                           

57. মাইটোসিস কোশ বিভাজনের কোন্‌ দশায় নিউক্লীয় পর্দার পুনরাবির্ভাব ঘটে ?                                                                                                                                                                          

[A] টেলোফেজ দশায়                                                                                                                                                                                                              

[B] মেটাফেজ দশায়                                                                                                                                                                                                              

[C] অ্যানাফেজ দশায়                                                                                                                                                                                                              

[D] প্রোফেজ দশায়                                                                                                                                                                                                              

উত্তর :- [A] টেলোফেজ দশায়                                                                                                                                                                                                              

58. যে ক্রোমোজোমের শেষপ্রান্তে সেন্ট্রোমিয়ার থাকে, তাকে বলে-                                                                                                                                                                          

[A] মেটাসেন্ট্রিক কোমোজোম                                                                                                                                                                                                    

[B] সামমেটাসেন্ট্রিক কোমোজোম                                                                                                                                                                                                    

[C] অ্যাক্রোসেন্ট্রিক কোমোজম                                                                                                                                                                                                       

[D] টেলাসেন্ট্রিক ক্রোমোজোম                                                                                                                                                                                                    

উত্তর :- [D] টেলাসেন্ট্রিক ক্রোমোজোম                                                                                                                                                                                                    

59. প্রাণীকোশ ও উদ্ভিদকোশের যে দশায় অ্যাস্ট্রাল ও অ্যানাস্ট্রাল বেম গঠিত হয় তা হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] অন্তিম প্রোফেজ                                                                                                                                                                                                         

[C] মেটাফেজ                                                                                                                                                                                                        

[D] অ্যানাফেজ                                                                                                                                                                                                       

উত্তর :- [B] অন্তিম প্রোফেজ                                                                                                                                                                                                         

60. মাইটোসিসের কোন দশায় ক্রোমোজোমের ক্রোমাটিডগুলি পরস্পরের থেকে বিচ্ছিন্ন হয়ে অপত্য ক্রোমোজোম গঠন করে-                                                                                                                                           

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলাফেজ                                                                                                                                                                                                        

উত্তর :- [C] অ্যানাফেজ                                                                                                                                                                                                       

61. মানুষের দেহকোশে অটোজোমের সংখ্যা                                                                                                                                                                   

[A] 44                                                                                                                                                                                                                 

[B] 46                                                                                                                                                                                                                 

[C] 23                                                                                                                                                                                                                 

[D] 22                                                                                                                                                                                                                 

উত্তর :- [A] 44                                                                                                                                                                                                                 

62. মানুষের জননকোশে অটোজোমের সংখ্যা                                                                                                                                                                   

[A] 44                                                                                                                                                                                                                 

[B] 23                                                                                                                                                                                                                 

[C] 22                                                                                                                                                                                                                 

[D] 46                                                                                                                                                                                                                 

উত্তর :- [C] 22                                                                                                                                                                                                                 

63. স্ত্রীলোকের দেহকোশে অটোজোম ও ক্রোমোজোমের অনুপাত                                                                                                                                                                 

[A] 44:1                                                                                                                                                                                                              

[B] 44:2                                                                                                                                                                                                              

[C] 23:1                                                                                                                                                                                                              

[D] 44:0                                                                                                                                                                                                              

উত্তর :- [B] 44:2                                                                                                                                                                                                              

64. স্ত্রীলোকের দেহকোশে অটোজোম ও Y ক্রোমোজোমের অনুপাত                                                                                                                                                                 

[A] 44:0                                                                                                                                                                                                              

[B] 44:1                                                                                                                                                                                                              

[C] 44:2                                                                                                                                                                                                              

[D] 23:1                                                                                                                                                                                                              

উত্তর :- [A] 44:0                                                                                                                                                                                                              

65. পুরুষের দেহকোশে অটোজোম ও Y ক্রোমোজোমর অনুপাত-                                                                                                                                                                          

[A] 44:0                                                                                                                                                                                                              

[B] 44:1                                                                                                                                                                                                              

[C] 44:2                                                                                                                                                                                                              

[D] 23:1                                                                                                                                                                                                              

উত্তর :- [B] 44:1                                                                                                                                                                                                              

66. নিউক্লিয়াসের বিভাজনকে বলে-                                                                                                                                                                          

[A] সাইটোকাইনেসিস                                                                                                                                                                                              

[B] মাইটোসিস                                                                                                                                                                                                       

[C] ক্যারিওকাইনেসিস                                                                                                                                                                                             

[D] মিয়োসিস                                                                                                                                                                                                         

উত্তর :- [C] ক্যারিওকাইনেসিস                                                                                                                                                                                             

67. সাইটোপ্লাজমের বিভাজনকে বলে-                                                                                                                                                                          

[A] সাইটোকাইনেসিস                                                                                                                                                                                              

[B] মাইটোসিস                                                                                                                                                                                                       

[C] ক্যারিওকাইনেসিস                                                                                                                                                                                             

[D] মিয়োসিস                                                                                                                                                                                                         

উত্তর :- [A] সাইটোকাইনেসিস                                                                                                                                                                                              

68. ক্রোমজোমগুলি যে দশায় বেমের বিষুব অঞ্চলে অবস্থান করে, তা হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [B] মেটাফেজ                                                                                                                                                                                                        

69. নন্‌-জেনেটিক RNA যতপ্রকার তা হল-                                                                                                                                                                          

[A] তিন প্রয়ার                                                                                                                                                                                                              

[B] চার প্রকার                                                                                                                                                                                                             

[C] পাঁচ প্রকার                                                                                                                                                                                                             

[D] ছয় প্রয়ার                                                                                                                                                                                                              

উত্তর :- [A] তিন প্রয়ার                                                                                                                                                                                                              

70. জিনগত প্রকরণ ঘটে যে প্রকার কোশ বিভাজনে, তা হল-                                                                                                                                                                          

[A] অ্যামাইটোসিস                                                                                                                                                                                                  

[B] মাইটোসিস                                                                                                                                                                                                       

[C] মিয়োসিস                                                                                                                                                                                                         

[D] B ও C উভয়েই                                                                                                                                                                                                          

ANS-[C] মিয়োসিস                                                                                                                                                                                                         

71. জিনের পুনর্বিন্যাস ঘটে যে কোশ বিভাজনে, তা হল-                                                                                                                                                                          

[A] মিয়োসিস                                                                                                                                                                                                         

[B] মাইটোসিস                                                                                                                                                                                                       

[C] অ্যামাইটোসিস                                                                                                                                                                                                  

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] মিয়োসিস                                                                                                                                                                                                         

72. বংশগতির ধারক ও বাহক হল-                                                                                                                                                                          

[A] মেসোজোম                                                                                                                                                                                                      

[B] পলিজোম                                                                                                                                                                                                        

[C] ক্রোমোজোম                                                                                                                                                                                                    

[D] রাইবোজোম                                                                                                                                                                                                     

উত্তর :- [C] ক্রোমোজোম                                                                                                                                                                                                    

73. কোশ বিভাজনের সময়ে ক্রোমোজোমের মুখ্য খাঁজস্থিত যে অংশের সঙ্গে বেমতন্তু যুক্ত হয়ম তা হল-                                                                                                                                                                          

[A] ক্রোমোমিয়ার                                                                                                                                                                                                    

[B] সেন্ট্রোমিয়ার                                                                                                                                                                                                     

[C] ক্রোমাটিড                                                                                                                                                                                                        

[D] সেন্ট্রোজোম                                                                                                                                                                                                     

উত্তর :- [B] সেন্ট্রোমিয়ার                                                                                                                                                                                                     

74. সেন্ট্রোমিয়ারযুক্ত মুখ্য খাঁজ ছাড়া ক্রোমোজোমে অন্য যে-কোনো থাকলে তাকে বলে-                                                                                                                                                                          

[A] গৌণ খাঁজ                                                                                                                                                                                                               

[B] মুখ্য খাঁজ                                                                                                                                                                                                               

[C] প্রাথমিক খাঁজ                                                                                                                                                                                                               

[D] দ্বিতীয় খাঁজ                                                                                                                                                                                                               

উত্তর :- [A] গৌণ খাঁজ                                                                                                                                                                                                               

75. গৌণ খাঁজ পরবর্তী ক্রোমোজোমীয় অংশকে বলে-                                                                                                                                                                          

[A] স্টেম বডি                                                                                                                                                                                                                

[B] সেন্ট্রোমিয়ার                                                                                                                                                                                                     

[C] SAT-বডি                                                                                                                                                                                                                

[D] সেন্ট্রোজোম                                                                                                                                                                                                     

উত্তর :- [C] SAT-বডি                                                                                                                                                                                                                

76. ইউক্যারিওটিক কোশের ক্রোমোজম সংগথক প্রধান প্রোটিনটি হল-                                                                                                                                                                          

[A] লাইসিন                                                                                                                                                                                                           

[B] হিস্টোন                                                                                                                                                                                                           

[C] লিউসিন                                                                                                                                                                                                          

[D] ভ্যালিন                                                                                                                                                                                                            

উত্তর :- [B] হিস্টোন                                                                                                                                                                                                           

77. প্রতিটি রাইবোনিউক্লিক ও ডি-অক্সিরাইবোনিউক্লিক অ্যাসিড অনু বহুসংখ্যক যে উপাদানটি দ্বারা তৈরি, তা হল-                                                                                                                                                                          

[A] ফসফেট                                                                                                                                                                                                          

[B] N2 ক্ষারক                                                                                                                                                                                                             

[C] নিউক্লিওসাইড                                                                                                                                                                                                  

[D] নিউক্লিওটাইড                                                                                                                                                                                                  

উত্তর :- [C] নিউক্লিওসাইড                                                                                                                                                                                                  

78. বেমততু গঠিত হয়, যার দ্বারা তা হল-                                                                                                                                                                          

[A] হিউমিউলিন                                                                                                                                                                                                     

[B] ইনটারমিডিয়েট ফিলামেন্ট                                                                                                                                                                                                        

[C] ফ্ল্যাজেলিন                                                                                                                                                                                                        

[D] টিউবিউলিন                                                                                                                                                                                                      

উত্তর :- [D] টিউবিউলিন                                                                                                                                                                                                      

79. 1909 খ্রিস্টাব্দে সর্বপ্রথম ‘জিন’ শব্দটির প্রচলন করেন বিজ্ঞানী-                                                                                                                                                                          

[A] রিম্যাক                                                                                                                                                                                                            

[B] ফারমার                                                                                                                                                                                                           

[C] জোহানসেন                                                                                                                                                                                                      

[D] পাস্তুর                                                                                                                                                                                                             

উত্তর :- [C] জোহানসেন                                                                                                                                                                                                      

80. যে মাইটোসিস বিভাজনে সেন্ট্রিওল থেকে স্পিন্ডল গঠিত হয় না, তা হল-                                                                                                                                                                          

[A] সমবিভাজন                                                                                                                                                                                                      

[B] অসমবিভাজন                                                                                                                                                                                                   

[C] অ্যাস্ট্রাল                                                                                                                                                                                                          

[D] অ্যানাস্ট্রাল                                                                                                                                                                                                       

উত্তর :- [D] অ্যানাস্ট্রাল                                                                                                                                                                                                       

81. উদ্ভিদকোশের সাইটোকাইনেসিস যা দ্বারা সংঘটিত হয়, তা হল-                                                                                                                                                                          

[A] ফ্র্যাগমোপ্লাস্ট                                                                                                                                                                                                   

[B] ক্রোমোজোম                                                                                                                                                                                                    

[C] মেসোজোম                                                                                                                                                                                                      

[D] পলিজোম                                                                                                                                                                                                        

উত্তর :- [A] ফ্র্যাগমোপ্লাস্ট                                                                                                                                                                                                   

82. প্রাণীকোশের সাইটোকাইনেসিস যে পদ্ধতিতে সংঘটিত হয়, তা হল-                                                                                                                                                                          

[A] কোশপর্দা                                                                                                                                                                                                         

[B] কোশপাত                                                                                                                                                                                                        

[C] ফারোয়িং বা ক্লিভেজ                                                                                                                                                                                                          

[D] অ্যানাফেজ                                                                                                                                                                                                       

উত্তর :- [C] ফারোয়িং বা ক্লিভেজ                                                                                                                                                                                                          

83. যে কোশ বিভাজনের সময়ে বেমতন্তু গঠিত হয় না, তা হল-                                                                                                                                                                          

[A] অ্যামাইটোসিস                                                                                                                                                                                                  

[B] মাইটোসিস                                                                                                                                                                                                       

[C] মিয়োসিস                                                                                                                                                                                                         

[D] কোনোটিই নয়                                                                                                                                                                                                                 

ANS-[A] অ্যামাইটোসিস                                                                                                                                                                                                  

84. প্রজাতির ক্রোমোজোম সংখ্যা ধ্রুবক থাকে যে কোশ বিভাজনের মাধ্যমে, তা হল-                                                                                                                                                                          

[A] অ্যামাইটোসিস                                                                                                                                                                                                  

[B] মাইটোসিস                                                                                                                                                                                                       

[C] মিয়োসিস                                                                                                                                                                                                         

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] মিয়োসিস                                                                                                                                                                                                         

85. ক্রোমোজোমের দৈর্ঘ্য বরাবর অবস্থিত তন্তু দুটির প্রত্যেকটিকে বলে-                                                                                                                                                                          

[A] ক্রোমাটিড                                                                                                                                                                                                        

[B] ক্রোমোজোম                                                                                                                                                                                                    

[C] ক্রোমোনিমা                                                                                                                                                                                                      

[D] ক্রোমোমিয়ার                                                                                                                                                                                                    

উত্তর :- [A] ক্রোমাটিড                                                                                                                                                                                                        

86. প্রতিটি ক্রোমাটিড লম্বালম্বিভাবে বিস্তৃত যে সূক্ষ্ম তন্তু দ্বারা গঠিত, তাকে বলে-                                                                                                                                                                          

[A] ক্রোমাটিড                                                                                                                                                                                                        

[B] ক্রোমোজোম                                                                                                                                                                                                    

[C] ক্রোমোনিমা                                                                                                                                                                                                      

[D] ক্রোমোমিয়ার                                                                                                                                                                                                    

উত্তর :- [C] ক্রোমোনিমা                                                                                                                                                                                                      

87. এককোশী জীবের বংশবিস্তারের উপায় হল-                                                                                                                                                                          

[A] দেহকোশ                                                                                                                                                                                                        

[B] কোশচক্র                                                                                                                                                                                                         

[C] কোশপর্দা                                                                                                                                                                                                         

[D] কোশ বিভাজন                                                                                                                                                                                                          

উত্তর :- [D] কোশ বিভাজন                                                                                                                                                                                                          

88. সেন্ট্রোমিয়ারের উপস্থিতি অনুসারে ক্রোমোজোমের বিভিন্ন গঠন দেখা যায় যে দশায়, তা হল-                                                                                                                                                                          

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] টেলোফেজ                                                                                                                                                                                                      

[D] অ্যানাফেজ                                                                                                                                                                                                       

উত্তর :- [B] মেটাফেজ                                                                                                                                                                                                        

89. ক্রোমোজোমে DNAপ-এর মাত্রা হল-                                                                                                                                                                          

[A] 50%                                                                                                                                                                                                                     

[B] 9%                                                                                                                                                                                                                     

[C] 3%                                                                                                                                                                                                                     

[D] 100%                                                                                                                                                                                                                     

উত্তর :- [C] 3%                                                                                                                                                                                                                     

90. অনিয়ন্ত্রিত কোশচক্রের কারণে যে রোগটি হয়, তা হল-                                                                                                                                                                          

[A] ক্যানসার                                                                                                                                                                                                          

[B] ম্যালেরিয়া                                                                                                                                                                                                        

[C] সিরোসিস                                                                                                                                                                                                         

[D] যক্ষ্মা                                                                                                                                                                                                               

উত্তর :- [A] ক্যানসার                                                                                                                                                                                                          

91. পিউরিন-জাতীয় নাইট্রোজেনসযুক্ত ক্ষার নয়-                                                                                                                                                                          

[A] অ্যাডেনিন                                                                                                                                                                                                        

[B] সাইটোসিন                                                                                                                                                                                                       

[C] থাইমিন                                                                                                                                                                                                           

[D] ইউরাসিল                                                                                                                                                                                                         

উত্তর :- [A] অ্যাডেনিন                                                                                                                                                                                                        

92. পিরিমিডিন-জাতীয় নাইট্রোজেনযুক্ত ক্ষার নয়-                                                                                                                                                                          

[A] থাইমিন                                                                                                                                                                                                           

[B] সাইটোসিন                                                                                                                                                                                                       

[C] ইউরাসিল                                                                                                                                                                                                         

[D] গুয়নিন                                                                                                                                                                                                            

উত্তর :- [D] গুয়নিন                                                                                                                                                                                                            

93. নাইট্রোজেনযুক্ত ক্ষার+পেন্টোজ শর্করা হল-                                                                                                                                                                          

[A] RNA                                                                                                                                                                                                             

[B] নিউক্লিওটাইড                                                                                                                                                                                                  

[D] গুয়নিন                                                                                                                                                                                                            

[D] DNA                                                                                                                                                                                                             

উত্তর :- [B] নিউক্লিওটাইড                                                                                                                                                                                                  

উপভাবমূল > 2B- জনন                                                                                                                                                                                                              

94. বিভাজন পদ্ধতিতে জনন সম্পন্ন হয়-                                                                                                                                                                          

[A] প্লাসমোডিয়াম                                                                                                                                                                                                   

[B] হাইড্রা                                                                                                                                                                                                             

[C] ফার্ন                                                                                                                                                                                                                

[D] প্ল্যানেরিয়া                                                                                                                                                                                                        

উত্তর :- [A] প্লাসমোডিয়াম                                                                                                                                                                                                   

95. কোরকোদগম পদ্ধতিতে জনন সম্পন্ন করে-                                                                                                                                                                          

[A] অ্যামিবা                                                                                                                                                                                                           

[B] প্লাসমোডিয়াম                                                                                                                                                                                                   

[C] হাইড্রা                                                                                                                                                                                                             

[D] প্ল্যানেরিয়া                                                                                                                                                                                                        

উত্তর :- [C] হাইড্রা                                                                                                                                                                                                             

96. ঈস্ট নামক ছত্রাকে লক্ষ করা যায়-                                                                                                                                                                          

[A] খণ্ডীভবন                                                                                                                                                                                                         

[B] রেণু উৎপাদন                                                                                                                                                                                                         

[C] পুনরুৎপাদন                                                                                                                                                                                                     

[D] কোরকোদগম                                                                                                                                                                                                   

উত্তর :- [D] কোরকোদগম                                                                                                                                                                                                   

97. অ্যামিবা-তে লক্ষ করা যায়                                                                                                                                                                      

[A] বিভাজন                                                                                                                                                                                                          

[B] কোরকোদ্‌গম                                                                                                                                                                                                   

[C] খণ্ডীভবন                                                                                                                                                                                                         

[D] রেণু উৎপাদন                                                                                                                                                                                                         

উত্তর :- [A] বিভাজন                                                                                                                                                                                                          

98. রেণু উৎপাদন পদ্ধতিতে জনন সম্পন্ন করে না-                                                                                                                                                                          

[A] মস                                                                                                                                                                                                                 

[B] প্ল্যানেরিয়া                                                                                                                                                                                                        

[C] ফার্ন                                                                                                                                                                                                                

[D] ছত্রাক                                                                                                                                                                                                             

উত্তর :- [B] প্ল্যানেরিয়া                                                                                                                                                                                                        

99. খণ্ডীভবন পদ্ধতি দেখা যায়-                                                                                                                                                                          

[A] হাইড্রা-তে                                                                                                                                                                                                                 

[B] ঈস্ট-এ                                                                                                                                                                                                                   

[C] প্লাসমোডিয়াম-এ                                                                                                                                                                                                                   

[D] স্পাইরোগাইরা-তে                                                                                                                                                                                                                 

উত্তর :- [D] স্পাইরোগাইরা-তে                                                                                                                                                                                                                 

100. পুনরুৎপাদন পদ্ধতিতে জনন সম্পন্ন করে-                                                                                                                                                                          

[A] হাইড্রা                                                                                                                                                                                                             

[B] স্পাইরোগাইরা-তে                                                                                                                                                                                                                 

[C] প্ল্যানেরিয়া                                                                                                                                                                                                        

[D] অ্যামিবা                                                                                                                                                                                                           

উত্তর :- [C] প্ল্যানেরিয়া                                                                                                                                                                                                        

101. যে উভলিঙ্গ প্রাণী স্বনিষেক সম্পন্ন করে সেটি হল-                                                                                                                                                                          

[A] কেঁচো                                                                                                                                                                                                             

[B] ব্যাং                                                                                                                                                                                                                

[C] যকৃৎকৃমি                                                                                                                                                                                                         

[D] অ্যাসকারিস                                                                                                                                                                                                      

উত্তর :- [C] যকৃৎকৃমি                                                                                                                                                                                                         

102. কর্ষন মাধ্যমে ব্যবহৃত উদ্ভিদ হরমোনটি হল-                                                                                                                                                                          

[A] থাইরক্সিন                                                                                                                                                                                                         

[B] অক্সিন                                                                                                                                                                                                             

[C] ইনসুলিন                                                                                                                                                                                                          

[D] গ্লুকাগন                                                                                                                                                                                                           

উত্তর :- [B] অক্সিন                                                                                                                                                                                                             

103. ক্লোন সৃষ্টির পদ্ধতি হল-                                                                                                                                                                          

[A] মাইক্রোপ্রোপাগেশন                                                                                                                                                                                           

[B] জেনেটিক ইঙ্গিনিয়ারিং                                                                                                                                                                                                       

[C] জৈব প্রযুক্তি                                                                                                                                                                                                            

[D] সবগুলি সঠিক                                                                                                                                                                                                              

উত্তর :- [B] জেনেটিক ইঙ্গিনিয়ারিং                                                                                                                                                                                                       

104. কর্ষন দ্রবণ লাগে যে প্রকার কৃত্রিম জননে, তা হল-                                                                                                                                                                          

[A] শাখাকলম                                                                                                                                                                                                        

[B] গ্রাফটিং                                                                                                                                                                                                           

[C] অনুবিস্তারন                                                                                                                                                                                                       

[D] সবগুলি                                                                                                                                                                                                           

উত্তর :- [C] অনুবিস্তারন                                                                                                                                                                                                       

105. প্ল্যানেরিয়া, চ্যাপটাকৃমি এবং নীচের যে প্রাণীতে পুনরুৎপাদন প্রক্রিয়া ঘটে, তা হল-                                                                                                                                                                          

[A] স্পঞ্জিলা                                                                                                                                                                                                           

[B] অ্যামিবা                                                                                                                                                                                                           

[C] পোগোনেটাম                                                                                                                                                                                                   

[D] প্যারামেসিয়াম                                                                                                                                                                                                   

উত্তর :- [A] স্পঞ্জিলা                                                                                                                                                                                                           

106. জীবের বৃদ্ধি জরায়ুর ভিতরে ঘটলে তাকে বলে-                                                                                                                                                                                                                     

[A] জনুক্রম                                                                                                                                                                                                           

[B] জরায়ুজ                                                                                                                                                                                                           

[C] বহিঃনিষেক                                                                                                                                                                                                      

[D] অন্তঃনিষেক                                                                                                                                                                                                     

উত্তর :- [B] জরায়ুজ                                                                                                                                                                                                           

107. যে শারীরবৃত্তীয় প্রক্রিয়ায় জীব নিজের প্রতিরূপ গঠন করে তাকে বলে-                                                                                                                                                                                                                     

[B] সংবহন                                                                                                                                                                                                            

[A] শ্বসন                                                                                                                                                                                                               

[C] রেচন                                                                                                                                                                                                              

[D] জনন                                                                                                                                                                                                              

উত্তর :- [D] জনন                                                                                                                                                                                                              

108. জোড়কলমের ক্ষেত্রে উন্নততর যে অংশটি কেটে নেওয়া হয় তাকে সিয়ন এবং যে অপেক্ষাকৃত অনুন্নত অংশের সঙ্গে জুরে দেওয়া হয় তাকে বলে-

[A] বল্কল                                                                                                                                                                                                              

[B] স্টেম                                                                                                                                                                                                              

[C] স্টক                                                                                                                                                                                                               

[D] কন্দ                                                                                                                                                                                                               

উত্তর :- [C] স্টক                                                                                                                                                                                                               

109. আখ যেপ্রকার শাখাকলমের সাহায্যে অঙ্গজ বংশবিস্তার করে, তা হল-                                                                                                                                                                                                                     

[A] মূলের                                                                                                                                                                                                             

[B] কান্ডের                                                                                                                                                                                                           

[C] পাতার                                                                                                                                                                                                             

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] কান্ডের                                                                                                                                                                                                           

110. দুটি সমগোত্রীয় গ্যামেটের সম্পূর্ন ও স্থায়ী মিলনকে বলে-                                                                                                                                                                                                                     

[A] আইসোগ্যামি                                                                                                                                                                                                    

[B] অ্যানাইসোগ্যামি                                                                                                                                                                                                

[C] সিনগ্যামি                                                                                                                                                                                                         

[D] হেটেররোগ্যামি                                                                                                                                                                                                 

উত্তর :- [C] সিনগ্যামি                                                                                                                                                                                                         

111. দুটি ভিন্ন আকার আয়তনবিশিষ্ট পুং এবং স্ত্রীগ্যামেটের মিলনকে বলে-                                                                                                                                                                                                                     

[A] আইসোগ্যামি                                                                                                                                                                                                    

[B] অ্যানাইসোগ্যামি                                                                                                                                                                                                

[C] সিনগ্যামি                                                                                                                                                                                                         

[D] হেটেরোগ্যামি                                                                                                                                                                                                   

উত্তর :- [B] অ্যানাইসোগ্যামি                                                                                                                                                                                                

112. যে অঙ্গটি ছাড়া অনান্য বাহ্যিক বৈশিষ্ট্য দেখে একলিঙ্গ প্রাণীর পুরুষ ও স্ত্রীকে আলাদা করা যায় না, তা হল-                                                                                                                                                                                                                     

[A] জননাঙ্গ                                                                                                                                                                                                           

[B] শ্বসনাঙ্গ                                                                                                                                                                                                            

[C] রেচনাঙ্গ                                                                                                                                                                                                           

[D] জ্ঞানেন্দ্রিয়                                                                                                                                                                                                        

উত্তর :- [A] জননাঙ্গ                                                                                                                                                                                                           

113. পাখি, গোরু ইত্যাদি প্রাণীর নিষেক প্রক্রিয়াকে বলে-                                                                                                                                                                                                                     

[A] স্বনিষেক                                                                                                                                                                                                          

[B] পরনিষেক                                                                                                                                                                                                        

[C] অন্তঃনিষেক                                                                                                                                                                                                     

[D] বহিঃনিষেক                                                                                                                                                                                                      

উত্তর :- [C] অন্তঃনিষেক                                                                                                                                                                                                     

114. জীবের জীবনচক্রে হ্যাপ্লয়েড ও ডিপ্লয়েড দশার পর্যায়ক্রমিক আবর্তনকে বলে-                                                                                                                                                                                                                     

[A] জনুক্রম                                                                                                                                                                                                                      

[B] জনন                                                                                                                                                                                                              

[C] সংযুক্তি                                                                                                                                                                                                           

[D] রূপান্তর                                                                                                                                                                                                           

উত্তর :- [A] জনুক্রম                                                                                                                                                                                                                      

115. জীবনচক্র যে রেণু সৃষ্টির সঙ্গে সঙ্গে লিঙ্গধর দশা শুরু হয়, তা হল-                                                                                                                                                                                                                     

[A] টেট্রাপ্লয়েড                                                                                                                                                                                                      

[B] ট্রিপ্লয়েড                                                                                                                                                                                                          

[C] ডিপ্লয়েড                                                                                                                                                                                                         

[D] হ্যাপ্লয়েড                                                                                                                                                                                                         

উত্তর :- [D] হ্যাপ্লয়েড                                                                                                                                                                                                         

116. উন্নত উদ্ভিদ ও প্রাণীর জাইগোট যে বিভাজনের মাধ্যমে পূর্নাঙ্গ জীবদেহে পরিণত হয়                                                                                                                                                                                                                 

[A] মিয়োসিস                                                                                                                                                                                                         

[B] মাইটোসিস                                                                                                                                                                                                       

[C] অ্যামাটোসিস                                                                                                                                                                                                    

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] মাইটোসিস                                                                                                                                                                                                       

117. উন্নত জীবের যৌন জননকালে পুং ও স্ত্রী গ্যামেটের নিষেক প্রক্রিয়ার নাম হল-                                                                                                                                                                                                                     

[A] আইসোগ্যামি                                                                                                                                                                                                    

[B] অ্যানাইসোগ্যামি                                                                                                                                                                                                

[C] ঊগ্যামি                                                                                                                                                                                                           

[D] সিনগ্যামি                                                                                                                                                                                                         

উত্তর :- [C] ঊগ্যামি                                                                                                                                                                                                           

118. মাইক্রোপ্রোপাগেশনে প্রথমে উদ্ভিদ দেহাংশ থেকে গঠিত হয়-                                                                                                                                                                                                                     

[A] ক্যালাস                                                                                                                                                                                                           

[B] স্টক                                                                                                                                                                                                               

[C] সিয়ন                                                                                                                                                                                                              

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] ক্যালাস                                                                                                                                                                                                           

119. অযৌন জননে উৎপন্ন রেণুগুলি অসম আকারের হলে তাদের বলে-                                                                                                                                                                                                                     

[A] অপুংজনি                                                                                                                                                                                                         

[B] পুংকেশর                                                                                                                                                                                                         

[C] সমরেণু                                                                                                                                                                                                           

[D] অসমরেণু                                                                                                                                                                                                         

উত্তর :- [D] অসমরেণু                                                                                                                                                                                                         

120. জনন কোশাধারের সংযোগের মাধ্যমে যৌন জননকোশ দুটির মিলনকে বলে-                                                                                                                                                                                                                     

[A] কোরকোদ্‌গম                                                                                                                                                                                                   

[B] সংযুক্তি                                                                                                                                                                                                           

[C] নিষেক                                                                                                                                                                                                            

[D] রূপান্তর                                                                                                                                                                                                           

উত্তর :- [B] সংযুক্তি                                                                                                                                                                                                           

121. স্পোরানজিয়ামে উৎপন্ন হয়-                                                                                                                                                                                                                     

[A] স্পোরানজিওস্পোর                                                                                                                                                                                            

[B] অ্যাপ্লানাস্পোর                                                                                                                                                                                                   

[C] জুস্পোর                                                                                                                                                                                                          

[D] জাইগোস্পোর                                                                                                                                                                                                   

উত্তর :- [A] স্পোরানজিওস্পোর                                                                                                                                                                                            

122. যৌন, অযৌন ও অঙ্গজ এই তিন পদ্ধতিতেই জননে সক্ষম একটি প্রাণী হল-                                                                                                                                                                                                                     

[A] স্পাইরোগাইরা                                                                                                                                                                                                   

[B] প্যারামেসিয়াম                                                                                                                                                                                                   

[C] হাইড্রা                                                                                                                                                                                                             

[D] অ্যামিবা                                                                                                                                                                                                           

উত্তর :- [C] হাইড্রা                                                                                                                                                                                                             

123. বহুবিভাজন পদ্ধতিতে অযৌন জনন সম্পন্ন করে এমন জীব হল-                                                                                                                                                                                                                     

[A] স্পাইরোগাইরা                                                                                                                                                                                                   

[B] প্যারামেসিয়াম                                                                                                                                                                                                   

[C] হাইড্রা                                                                                                                                                                                                             

[D] অ্যামিবা                                                                                                                                                                                                           

উত্তর :- [D] অ্যামিবা                                                                                                                                                                                                           

124. অন্তঃনিষেক অভন্ত্য একটি মাছ হল-                                                                                                                                                                                                                     

[A] তিমি                                                                                                                                                                                                               

[B] হাঙর                                                                                                                                                                                                              

[C] রুই                                                                                                                                                                                                                 

[D] কাতলা                                                                                                                                                                                                            

উত্তর :- [A] তিমি                                                                                                                                                                                                               

125. একটি অন্ডঃজয়ুজ প্রাণীর উদাহরণ হল-                                                                                                                                                                                                                     

[A] রুই                                                                                                                                                                                                                 

[B] চিংড়ি                                                                                                                                                                                                              

[C] হাঙর                                                                                                                                                                                                              

[D] তিমি                                                                                                                                                                                                               

উত্তর :- [C] হাঙর                                                                                                                                                                                                              

126. জরায়ুজ অঙ্গুরোদগম ঘটে এমন উদ্ভিদ হল-                                                                                                                                                                                                                     

[A] গরাণ                                                                                                                                                                                                              

[B] পেঁপে                                                                                                                                                                                                             

[C] আম                                                                                                                                                                                                               

[D] কুমড়ো                                                                                                                                                                                                           

উত্তর :- [A] গরাণ                                                                                                                                                                                                              

127. জীবের খণ্ডিত অঙ্গ পুনর্গঠিত হয়ে অপত্য গঠন করাকে-                                                                                                                                                                                                                     

[A] পরিস্ফুরন                                                                                                                                                                                                        

[B] পুনরুৎপাদন                                                                                                                                                                                                     

[C] রূপান্তর                                                                                                                                                                                                           

[D] পুনর্গঠন                                                                                                                                                                                                          

উত্তর :- [B] পুনরুৎপাদন                                                                                                                                                                                                     

128. শুক্রাণুর ক্রোমোজোম হল-                                                                                                                                                                                                                     

[A] ডিপ্লয়েড                                                                                                                                                                                                         

[B] ট্রিপ্লয়েড                                                                                                                                                                                                          

[C] হ্যাপ্লয়েড                                                                                                                                                                                                         

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] হ্যাপ্লয়েড                                                                                                                                                                                                         

129. অ্যামাইটোসিস শব্দটি 1840 খ্রিস্টাব্দে যে বিজ্ঞানী নির্বাচিত করেন তাঁর নাম-                                                                                                                                                                                                                     

[A] ওয়াল্টার ফ্লেমিং                                                                                                                                                                                                                       

[B] স্ট্রাসবার্জার                                                                                                                                                                                                       

[C] ফারমার                                                                                                                                                                                                           

[D] রবার্ট রিম্যাক                                                                                                                                                                                                            

উত্তর :- [D] রবার্ট রিম্যাক                                                                                                                                                                                                            

130. মাইটোসিস কোশ বিভাজন সর্বপ্রথম প্রত্যক্ষ করেন বিজ্ঞানী-                                                                                                                                                                                                                     

[A] বোভেরি                                                                                                                                                                                                          

[B] ফারমার                                                                                                                                                                                                           

[C] ওয়াল্টার ফ্লেমিং                                                                                                                                                                                                             

[D] রিম্যাক                                                                                                                                                                                                            

উত্তর :- [C] ওয়াল্টার ফ্লেমিং                                                                                                                                                                                                             

131. মাইটোসিস কোশ বিভাজন চলাকালীন হয়-                                                                                                                                                                                                                     

[A] জনন-মাতৃকোশে                                                                                                                                                                                                       

[B] ডিম্বাণুতে                                                                                                                                                                                                         

[C] দেহকোশে                                                                                                                                                                                                       

[D] শুক্রানুতে                                                                                                                                                                                                        

উত্তর :- [C] দেহকোশে                                                                                                                                                                                                       

132. মাইটোসিস কোশ বিভাজন চলাকালীন যে দশায় নিউক্লিওলাসের পুনরাবির্ভাব ঘটে, তা হল-                                                                                                                                                                                                                     

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [D] টেলোফেজ                                                                                                                                                                                                      

133. দেহকোশ সাধারণত যে প্রক্রিয়ায় বিভাজিত হয়, তা হল-                                                                                                                                                                                                                     

[A] মাইটোসিস বিভাজন                                                                                                                                                                                                          

[B] মিয়োসিস বিভাজন                                                                                                                                                                                                          

[C] অ্যামাইটোসিস বিভাজন                                                                                                                                                                                                          

[D] খন্ডীভবন                                                                                                                                                                                                         

উত্তর :- [A] মাইটোসিস বিভাজন                                                                                                                                                                                                          

134. ক্রোমোজোম শব্দটি সর্বপ্রথম ব্যবহার করেন-                                                                                                                                                                                                                     

[A] রবার্ট হুক                                                                                                                                                                                                                

[B] ডারউইন                                                                                                                                                                                                         

[C] ওয়ালডেয়ার                                                                                                                                                                                                     

[D] ল্যামার্ক                                                                                                                                                                                                           

উত্তর :- [C] ওয়ালডেয়ার                                                                                                                                                                                                     

135. একবার কোশ বিভাজন শেষ হওয়ার পর থেকে পরবর্তি কোশ বিভাজন পর্যন্ত কোশের মধ্যে যেসব ঘটনা পর্যায়ক্রমে চক্রাকারে সম্পন্ন হয়, সেই দশা হল-

[A] অরনিথিন চক্র                                                                                                                                                                                                                

[B] কোরি চক্র                                                                                                                                                                                                                

[C] কোশচক্র                                                                                                                                                                                                         

[D] ক্রেবস চক্র                                                                                                                                                                                                                

উত্তর :- [C] কোশচক্র                                                                                                                                                                                                         

136. কোশচক্র প্রধানত যে কটি দশায় বিভক্ত তা হল-                                                                                                                                                                                                                     

[A] দুটি                                                                                                                                                                                                                 

[B] তিনটি                                                                                                                                                                                                             

[C] চারটি                                                                                                                                                                                                              

[D] ছয়টি                                                                                                                                                                                                              

উত্তর :- [A] দুটি                                                                                                                                                                                                                 

137. DNA –এর প্রতিলিপিকরন যে দশায় ঘটে, তা হল-                                                                                                                                                                                                                     

[A] G1 দশা                                                                                                                                                                                                                

[B] S দশা                                                                                                                                                                                                                

[C] G2 দশা                                                                                                                                                                                                                

[D] M দশা                                                                                                                                                                                                                

উত্তর :- [B] S দশা                                                                                                                                                                                                                

138. DNA –এর সংশ্লেষ ও প্রোফেজ শুরুর মধ্যবর্তী দশা হল-                                                                                                                                                                                                                     

[A] G0 দশা                                                                                                                                                                                                                

[B] G1 দশা                                                                                                                                                                                                                

[C] M দশা                                                                                                                                                                                                                

[D] G2 দশা                                                                                                                                                                                                                

উত্তর :- [D] G2 দশা                                                                                                                                                                                                                

139. সাধারণত ইনটারফেজ দেখা যায় যে দুটি দশার মধ্যে তা, হল-                                                                                                                                                                                                                     

[A] প্রোফেজ ও মেটাফেজ                                                                                                                                                                                                        

[B] মেটাফেজ ও অ্যানাফেজ                                                                                                                                                                                                       

[C] টেলোফেজ ও প্রোফেজ                                                                                                                                                                                                         

[D] অ্যানাফেজ ও টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [C] টেলোফেজ ও প্রোফেজ                                                                                                                                                                                                         

140. বিভাজনরত কোশের নিউক্লিওলাস লুপ্ত হয় যে দশায়, সেটি হল-                                                                                                                                                                                                                     

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [A] প্রোফেজ                                                                                                                                                                                                         

141. কোশ বিভাজনের যে দশায় ক্রোমাটিডদ্বয় বিচ্ছিন্ন হয়ে বেমের বিপরীত মেরুর দিকে সরে যায়, সেটি হল-                                                                                                                                                                                                                     

[A] প্রোফেজ                                                                                                                                                                                                         

[B] মেটাফেজ                                                                                                                                                                                                        

[C] অ্যানাফেজ                                                                                                                                                                                                       

[D] টেলোফেজ                                                                                                                                                                                                      

উত্তর :- [C] অ্যানফেজ                                                                                                                                                                                                        

142. ইনটারফেজের বৈশিষ্ট্য নয়-                                                                                                                                                                                                                     

[A] কোশের আয়তন বৃদ্ধি পায়                                                                                                                                                                                                                

[B] নিউক্লীয় আবরণী অবলুপ্ত হয়                                                                                                                                                                                                                 

[C] বিভাজনের প্রয়োজনীয় শক্তি সঞ্চিত হয়                                                                                                                                                                                                                 

[D] DNA, RNA ও প্রোটিন সংশ্লেষিত  হয়-                                                                                                                                                                                                                     

উত্তর :- [B] নিউক্লীয় আবরণী অবলুপ্ত হয়                                                                                                                                                                                                                 

143. কোশচক্রে মাইটোটিক দশা ঘটে-                                                                                                                                                                                                                     

[A] G1 দশার শেষে                                                                                                                                                                                                              

[B] S দশার শেষে                                                                                                                                                                                                              

[C] G2 দশার আগে                                                                                                                                                                                                              

[D] G2 দশার শেষে                                                                                                                                                                                                              

উত্তর :- [D] G2 দশার শেষে                                                                                                                                                                                                              

144. ক্যারিওকাইনেসিস শব্দটি প্রণয়ন করেন বিজ্ঞানী-                                                                                                                                                                                                                     

[A] ল্যামার্ক                                                                                                                                                                                                           

[B] স্লেইশার                                                                                                                                                                                                           

[C] ডারউইন                                                                                                                                                                                                         

[D] জোহানসেন                                                                                                                                                                                                      

উত্তর :- [B] স্লেইশার                                                                                                                                                                                                           

145. জননকোশ গঠনের সময়ে দুই প্রকার বিভাজন হয়, বলে বিজ্ঞানী                                                                                                                                                                                                          

[A] ওপারিন                                                                                                                                                                                                           

[B] হ্যালডেন                                                                                                                                                                                                         

[C] ফ্লেমিং                                                                                                                                                                                                             

[D] ভাইসম্যান                                                                                                                                                                                                       

উত্তর :- [D] ভাইসম্যান                                                                                                                                                                                                       

146. মাইটোসিস পদ্ধতি সর্বপ্রথম বর্ণনা করেন বিজ্ঞানী-                                                                                                                                                                                                                     

[A] ফ্লেমিং                                                                                                                                                                                                             

[B] ল্যামার্ক                                                                                                                                                                                                           

[C] স্নাইডার                                                                                                                                                                                                           

[D] ভাইসম্যান                                                                                                                                                                                                       

উত্তর :- [C] স্নাইডার                                                                                                                                                                                                           

147. উদ্ভিদের কোশপ্রাচীরের প্রধান উপাদান হল-                                                                                                                                                                                                                     

[A] কাইটিন                                                                                                                                                                                                           

[B] প্রোটিন                                                                                                                                                                                                            

[C] লিপিড                                                                                                                                                                                                            

[D] সেলুলোজ                                                                                                                                                                                                        

উত্তর :- [D] সেলুলোজ                                                                                                                                                                                                        

148. কোশপাত গঠনের কাজটি হয়ে থাকে-                                                                                                                                                                                                                     

[A] গলগি বডি দ্বারা                                                                                                                                                                                                                

[B] রাইবোজোম দ্বারা                                                                                                                                                                                                                

[C] মাইটোকনড্রিয়া দ্বারা                                                                                                                                                                                                                

[D] লাইসোজোম দ্বারা                                                                                                                                                                                                                

উত্তর :- [A] গলগি বডি দ্বারা                                                                                                                                                                                                                

149. নিউক্লিওলার অর্গানাইজার কথাটি ব্যবহৃত হয় যার জন্য সেটি হল-                                                                                                                                                                                                                     

[A] প্রাথমিক খাঁজ                                                                                                                                                                                                               

[B] গৌণ খাঁজ                                                                                                                                                                                                               

[C] নিউক্লিওলাস                                                                                                                                                                                                    

[D] নিউক্লিওপ্লাজম                                                                                                                                                                                                 

উত্তর :- [B] গৌণ খাঁজ                                                                                                                                                                                                               

150. সেন্ট্রোমিয়ার ক্রোমোজোমের যে অংশে থাকে তা হল-                                                                                                                                                                                                                     

[A] মুখ্য খাঁজে                                                                                                                                                                                                              

[B] গৌণ খাঁজে                                                                                                                                                                                                              

[C] নিউক্লিওলাস                                                                                                                                                                                                    

[D] নিউক্লিওপ্লাজম                                                                                                                                                                                                 

উত্তর :- [A] মুখ্য খাঁজে                                                                                                                                                                                                              

151. কোশ বিভাজনের সময়ে ক্রোমোজোমের মাঝখানে সেন্ট্রোমিয়ার অবস্থিত সেটি হল-                                                                                                                                                                                                                     

[A] বেমতন্তু                                                                                                                                                                                                          

[B] সাইটোপ্লাজম                                                                                                                                                                                                    

[C] রাইবোজোম                                                                                                                                                                                                     

[D] মাইটোকনড্রিয়া                                                                                                                                                                                                 

উত্তর :- [A] বেমতন্তু                                                                                                                                                                                                          

152. যে ক্রোমজোমের মাঝখানে সেন্ট্রোমিয়ার অবস্থিত সেটি হল-                                                                                                                                                                                                                     

[A] টেলোসেন্ট্রিক                                                                                                                                                                                                   

[B] অ্যাক্রোসেন্ট্রিক                                                                                                                                                                                                 

[C] মেটাসেন্ট্রিক                                                                                                                                                                                                     

[D] সাবমেটাসেন্ত্রিক                                                                                                                                                                                                

উত্তর :- [C] মেটাসেন্ট্রিক                                                                                                                                                                                                     

153. ফুলে বৃতি ও দলমণ্ডল না থাকলে, তাকে বলে-                                                                                                                                                                                                                     

[A] একলিঙ্গ পুষ্প                                                                                                                                                                                                               

[B] উভলিঙ্গ পুষ্প                                                                                                                                                                                                               

[C] নগ্ন পুষ্প                                                                                                                                                                                                               

[D] আদর্শ পুষ্প                                                                                                                                                                                                               

উত্তর :- [C] নগ্ন পুষ্প                                                                                                                                                                                                               

154. একটি সম্পুর্ন ফুলের স্তবক সংখ্যা হল-                                                                                                                                                                                                                     

[A] 3 টি                                                                                                                                                                                                                   

[B] 4 টি                                                                                                                                                                                                                   

[C] 5 টি                                                                                                                                                                                                                   

[D] 6 টি                                                                                                                                                                                                                   

উত্তর :- [B] 4 টি                                                                                                                                                                                                                   

155. একই প্রজাতির কোনো উদ্ভিদের একটিতে পুংপুষ্প এবং অপর একটি উদ্ভিদে স্ত্রীপুষ্প জন্মালে, তাকে বলে-                                                                                                                                                                                                                     

[A] একপ্রতিসম                                                                                                                                                                                                      

[B] সহবাসী                                                                                                                                                                                                           

[C] উভলিঙ্গ                                                                                                                                                                                                          

[D] ভিন্নবাসী                                                                                                                                                                                                          

উত্তর :- [D] ভিন্নবাসী                                                                                                                                                                                                          

156. নীচের যেটি সমাঙ্গ পুষ্প, সেটি হল-                                                                                                                                                                                                                     

[A] মটর                                                                                                                                                                                                               

[B] ধুতরো                                                                                                                                                                                                             

[C] অপরাজিতা                                                                                                                                                                                                      

[D] বক                                                                                                                                                                                                                 

উত্তর :- [B] ধুতরো                                                                                                                                                                                                             

157. পরাগযোগ বলতে বোঝায়-                                                                                                                                                                                                                     

[A] ডিম্বকের মধ্যে পরাগনালীর বৃদ্ধি                                                                                                                                                                                                                

[B] পতঙ্গের বিভিন্ন ফুলে বসা                                                                                                                                                                                                                

[C] পরাগরেনুর অঙ্কুরন                                                                                                                                                                                                                      

[D] পরাগধানী থেকে গর্ভমুন্ডে পরাগরেণুর স্থানান্তর                                                                                                                                                                                                           

উত্তর :- [D] পরাগধানী থেকে গর্ভমুন্ডে পরাগরেণুর স্থানান্তর                                                                                                                                                                                                           

158. একই উদ্ভিদে পুংপুষ্প, স্ত্রীপুষ্প এবং উভলিঙ্গ পুষ্প জন্মালে, তাকে বলে-                                                                                                                                                                                                                     

[A] সহবাসী উদ্ভিদ                                                                                                                                                                                                             

[B] ভিন্নবাসী উদ্ভিদ                                                                                                                                                                                                             

[C] মিশ্রবসী উদ্ভিদ                                                                                                                                                                                                                      

[D] প্রবাসী উদ্ভিদ                                                                                                                                                                                                             

উত্তর :- [C] মিশ্রবসী উদ্ভিদ                                                                                                                                                                                                                      

159. পুষ্পপুটের প্রতিটি খন্ডাংশকে বলে-                                                                                                                                                                                                                     

[A] টেপাল                                                                                                                                                                                                            

[B] পেটাল                                                                                                                                                                                                            

[C] বৃতি                                                                                                                                                                                                                

[D] বৃত্যংশ                                                                                                                                                                                                            

উত্তর :- [A] টেপাল                                                                                                                                                                                                            

160. ধুতরো ফুলের বৃত্যংশের সংখ্যা হল-                                                                                                                                                                                                                     

[A] 3 টি                                                                                                                                                                                                                   

[B] 4 টি                                                                                                                                                                                                                   

[C] 5 টি                                                                                                                                                                                                                   

[D] 6 টি                                                                                                                                                                                                                   

উত্তর :- [C] 5 টি                                                                                                                                                                                                                   

161. শিশু উদ্ভিদকে খাদ্য সরবরাহ করে-                                                                                                                                                                                                                     

[A] বীজপত্র                                                                                                                                                                                                           

[B] জল                                                                                                                                                                                                                

[C] মাটি                                                                                                                                                                                                                

[D] বাতাস                                                                                                                                                                                                             

উত্তর :- [A] বীজপত্র                                                                                                                                                                                                           

162. ডিম্বকনাভির ওপরে যে সূক্ষ্ম ছিদ্র থাকে, তাকে বলে-                                                                                                                                                                                                                     

[A] পত্ররন্ধ্র                                                                                                                                                                                                            

[B] ডিম্বকরন্ধ্র                                                                                                                                                                                                         

[C] ভ্রুণাক্ষ                                                                                                                                                                                                            

[D] পর্ব                                                                                                                                                                                                                 

উত্তর :- [B] ডিম্বকরন্ধ্র                                                                                                                                                                                                         

163. স্বপরাগযোগ সম্পন্ন হয়, এমন একটি উদ্ভিদ হল-                                                                                                                                                                                                                     

[A] লাউ                                                                                                                                                                                                               

[B] কুমড়ো                                                                                                                                                                                                           

[C] জবা                                                                                                                                                                                                                

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] জবা                                                                                                                                                                                                                

164. পক্ষীপরাগী পুষ্প হল-                                                                                                                                                                                                                     

[A] পাতাঝাঁঝি                                                                                                                                                                                                        

[B] কদম                                                                                                                                                                                                              

[C] শিমুল                                                                                                                                                                                                                       

[D] ভুট্টা                                                                                                                                                                                                               

উত্তর :- [C] শিমুল                                                                                                                                                                                                                      

165. বায়ুপরাগী পুষ্প হল-                                                                                                                                                                                                                     

[A] ধান                                                                                                                                                                                                                 

[B] পাতাশ্যাওলা                                                                                                                                                                                                     

[C] আম                                                                                                                                                                                                               

[D] শিমুল                                                                                                                                                                                                              

উত্তর :- [A] ধান                                                                                                                                                                                                                 

166. জলপরাগী পুষ্প হল-                                                                                                                                                                                                                     

[A] আখ                                                                                                                                                                                                               

[B] পাতাঝাঁঝি                                                                                                                                                                                                        

[C] আম                                                                                                                                                                                                               

[D] শিমুল                                                                                                                                                                                                              

উত্তর :- [B] পাতাঝাঁঝি                                                                                                                                                                                                        

167. পতঙ্গপরাগী পুষ্প হল-                                                                                                                                                                                                                     

[A] ভুট্টা                                                                                                                                                                                                               

[B] ঝাঁঝি                                                                                                                                                                                                               

[C] আম                                                                                                                                                                                                               

[D] শিমুল                                                                                                                                                                                                              

উত্তর :- [C] আম                                                                                                                                                                                                               

168. পাখির সাহায্যে পরাগযোগকে বলে-                                                                                                                                                                                                                     

[A] এনটোমোফিলি                                                                                                                                                                                                  

[B] অরনিথোফিলি                                                                                                                                                                                                   

[C] সাইকোফিলি                                                                                                                                                                                                     

[D] অ্যানাথ্রোপোফিলি                                                                                                                                                                                              

উত্তর :- [B] অরনিথোফিলি                                                                                                                                                                                                   

169. কীটপতঙ্গের সাহায্যে পরাগযোগকে বলে-                                                                                                                                                                                                                     

[A] অরনিথোফিলি                                                                                                                                                                                                   

[B] ম্যালাকোফিলি                                                                                                                                                                                                   

[C] অ্যানথ্রোফিলি                                                                                                                                                                                                    

[D] এনটোমোফিলি                                                                                                                                                                                                  

উত্তর :- [D] এনটোমোফিলি                                                                                                                                                                                                  

170. কোন্‌ প্রকার পরাগযোগে বাহকের প্রয়োজন হয়-                                                                                                                                                                                                                     

[A] ইতর পরাগযোগ                                                                                                                                                                                                       

[B] স্বপরাগযোগ                                                                                                                                                                                                     

[C] (A)ও (B)উপয়ই                                                                                                                                                                                                     

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] ইতর পরাগযোগ                                                                                                                                                                                                       

171. একই প্রজাতিভুক্ত দুটি উদ্ভিদের ফুলের মধ্যে ইতর পরাগযোগ ঘটলে, তাকে বলে-                                                                                                                                                                                                                     

[A] হোমোগ্যামি                                                                                                                                                                                                     

[B] ক্লিস্টোগ্যামি                                                                                                                                                                                                     

[C] গেইটোনোগ্যামি                                                                                                                                                                                                

[D] জেনোগ্যামি                                                                                                                                                                                                      

উত্তর :- [D] জেনোগ্যামি                                                                                                                                                                                                      

172. একই উদ্ভিদের দুটি ভিন্ন একলিঙ্গ বা উভলিঙ্গ পুষ্পের মধ্যে স্বপরাগযোগে ঘটলে, তাকে বলে-                                                                                                                                                                                                                     

[A] হোমোগ্যামি                                                                                                                                                                                                     

[B] ক্লিস্টোগ্যামি                                                                                                                                                                                                     

[C] গেইটোনোগ্যামি                                                                                                                                                                                                

[D] জেনোগ্যামি                                                                                                                                                                                                      

উত্তর :- [C] গেইটোনোগ্যামি                                                                                                                                                                                                

173. কোনো ফুলের পরাগধানী থেকে পরাগ একই প্রজাতির অন্য গাছে উৎপন্ন ফুলের গর্ভমুন্ডে পতিত হয়ে পরাগযোগ ঘটলে, তাকে বলে-

[A] ইতর পরাগযোগ                                                                                                                                                                                                       

[B] হোমোগ্যামি                                                                                                                                                                                                     

[C] ক্লিস্টোগ্যমি                                                                                                                                                                                                     

[D] গেইটোগ্যামি                                                                                                                                                                                                    

উত্তর :- [A] ইতর পরাগযোগ                                                                                                                                                                                                       

174. নীচের যেটি ইতর পরাগযোগের অন্তর্গত, তা হল-                                                                                                                                                                                                                     

[A] অটোগ্যামি                                                                                                                                                                                                       

[B] গেইটোনোগ্যামি                                                                                                                                                                                                

[C] জেনোগ্যামি                                                                                                                                                                                                      

[D] হোমোগ্যামি                                                                                                                                                                                                     

উত্তর :- [C] জেনোগ্যামি                                                                                                                                                                                                      

175. সপুষ্পক উদ্ভিদের মূলের ক্রোমোজোম সংখ্যা 32 হলে, এর গ্যামেটের ক্রোমোজোম সংখ্যা হবে-                                                                                                                                                                                                                     

[A] 8                                                                                                                                                                                                                   

[B] 16                                                                                                                                                                                                                

[C] 24                                                                                                                                                                                                                

[D] 32                                                                                                                                                                                                                

উত্তর :- [D] 32                                                                                                                                                                                                                

176. ভ্রূণস্থলী যার অন্তর্গত, তা হল-                                                                                                                                                                                                                     

[A] পরাগধানী                                                                                                                                                                                                         

[B] পরাগনালী                                                                                                                                                                                                        

[C] ডিম্বক                                                                                                                                                                                                             

[D] কোনোটিই নয়-                                                                                                                                                                                                                     

উত্তর :- [C] ডিম্বক                                                                                                                                                                                                             

177. কোন্‌ পরাগযোগের ফলে অপত্য উদ্ভিদে প্রকরনের সম্ভাবনা থাকে?                                                                                                                                                                                                                     

[A] ইতর পরাগযোগ                                                                                                                                                                                                       

[B] স্বপরাগযোগ                                                                                                                                                                                                     

[C] (A)ও (B)উভয়ই                                                                                                                                                                                                     

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] ইতর পরাগযোগ                                                                                                                                                                                                       

178. পরাগনালী যদি ডিম্বকত্বক ভেদ করে ভ্রূণস্থলীতে পৌছায়, তাহলে তাকে বলে-                                                                                                                                                                                                                     

[A] মেসোগ্যামি                                                                                                                                                                                                      

[B] পোরোগ্যামি                                                                                                                                                                                                     

[C] চ্যালাজোগ্যামি                                                                                                                                                                                                  

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] মেসোগ্যামি                                                                                                                                                                                                      

179. দ্বিনিষেক দেখা যায়-                                                                                                                                                                                                                     

[A] গুপ্তবীজী উদ্ভিদে                                                                                                                                                                                                            

[B] ব্যক্তবীজী উদ্ভিদে                                                                                                                                                                                                            

[C] ব্রায়োফাইটাতে                                                                                                                                                                                                  

[D] টেরিডোফাইটাতে                                                                                                                                                                                              

উত্তর :- [A] গুপ্তবীজী উদ্ভিদে                                                                                                                                                                                                            

180. নীচের যেটি থেকে সপুষ্পক উদ্ভিদের ভ্রূণস্থলী তৈরি হয়, তা হল-                                                                                                                                                                                                                     

[A] ভ্রূণ                                                                                                                                                                                                                

[B] মেগাস্পোর                                                                                                                                                                                                      

[C] জাইগোট                                                                                                                                                                                                         

[D] নিউসেলাস                                                                                                                                                                                                       

উত্তর :- [B] মেগাস্পোর                                                                                                                                                                                                      

181. সন্ধ্যামালতীতে যেরূপ পরাগযোগ দেখা যায়, তা হল-                                                                                                                                                                                                                     

[A] ইতর পরাযোগ                                                                                                                                                                                                          

[B] স্বপরাগযোগ                                                                                                                                                                                                     

[C] (A)ও (B)উভয়েই                                                                                                                                                                                                   

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] স্বপরাগযোগ                                                                                                                                                                                                     

182. সপুষ্পক উদ্ভিদের যৌন জনন পদ্ধতি আবিষ্কার করেন-                                                                                                                                                                                                                     

[A] নাওয়াসিন                                                                                                                                                                                                        

[B] মহেশ্বরী                                                                                                                                                                                                           

[C] ক্যামেরারিয়াস                                                                                                                                                                                                   

[D] স্ট্রাসবার্জার                                                                                                                                                                                                       

উত্তর :- [D] স্ট্রাসবার্জার                                                                                                                                                                                                       

183. নীচের কোনটির ভিতরে নিষেক সম্পন্ন হয়-                                                                                                                                                                                                                     

[A] গর্ভমুন্ড                                                                                                                                                                                                           

[B] ডিম্বাণু                                                                                                                                                                                                             

[C] পরাগধানী                                                                                                                                                                                                         

[D] ভ্রূণস্থলী                                                                                                                                                                                                           

উত্তর :- [D] ভ্রূণস্থলী                                                                                                                                                                                                           

184. নীচের কোনটি্‌ থেকে হ্যাপ্লয়েড কলাকর্ষন হয়-                                                                                                                                                                                                                     

[A] মুকুল                                                                                                                                                                                                              

[B] মুলাগ্র                                                                                                                                                                                                              

[C] পাতা                                                                                                                                                                                                              

[D] পরাগরেণু                                                                                                                                                                                                         

উত্তর :- [D] পরাগরেণু                                                                                                                                                                                                         

185. ডিম্বকে সবচেয়ে বড়ো কোশটি হল-                                                                                                                                                                                                                     

[A] মেগাস্পোর মাতৃকোশ                                                                                                                                                                                                        

[B] প্রতিবাদ কোশ                                                                                                                                                                                                              

[C] কেন্দ্রীয় কোশ                                                                                                                                                                                                              

[D] সহকারী কোশ                                                                                                                                                                                                              

উত্তর :- [C] কেন্দ্রীয় কোশ                                                                                                                                                                                                              

186. নীচের যেটির পরাগযোগে জলের প্রয়োজন হয় না, তা হল-                                                                                                                                                                                                                     

[A] পাতাঝাঁঝি                                                                                                                                                                                                        

[B] ভুট্টা                                                                                                                                                                                                               

[C] সেলাজিনেল্লা                                                                                                                                                                                                     

[D] পায়তাশ্যাওলা                                                                                                                                                                                                   

উত্তর :- [B] ভুট্টা                                                                                                                                                                                                               

187. পরাগধানী থেকে পরাগরেণু কোন্‌ কোশীয় অবস্থায় নির্গত হয় ?                                                                                                                                                                                                                     

[A] এককোশীয়                                                                                                                                                                                                      

[B] 2-3 কোশীয়                                                                                                                                                                                                           

[C] 4-5 কোশীয়                                                                                                                                                                                                           

[D] 6 কোশীয়                                                                                                                                                                                                           

উত্তর :- [B] 2-3 কোশীয়                                                                                                                                                                                                           

188. ডিম্বকত্বক পরিবর্তিত হয়ে গঠন করে-                                                                                                                                                                                                                     

[A] বীজত্বক                                                                                                                                                                                                           

[B] ফলত্বক                                                                                                                                                                                                           

[C] সস্য                                                                                                                                                                                                                

[D] ফল                                                                                                                                                                                                                

উত্তর :- [A] বীজত্বক                                                                                                                                                                                                           

189. পোলার নিউক্লিয়াসের অবস্থান-                                                                                                                                                                                                                     

[A] পুষ্পাক্ষতে                                                                                                                                                                                                       

[B] ডিম্বাণুতে                                                                                                                                                                                                         

[C] পরাগনালীতে                                                                                                                                                                                                    

[D] ভ্রূণস্থলীতে                                                                                                                                                                                                       

উত্তর :- [D] ভ্রূণস্থলীতে                                                                                                                                                                                                       

190. অ্যাণীমোফিলির ক্ষেত্রে যার দ্বারা পরাগযোগ ঘটে, তা হল-                                                                                                                                                                                                                     

[A] জল                                                                                                                                                                                                                

[B] পতঙ্গ                                                                                                                                                                                                              

[C] বাতাস                                                                                                                                                                                                             

[D] পোকা                                                                                                                                                                                                             

উত্তর :- [C] বাতাস                                                                                                                                                                                                             

উপভাবমূল > 2D- বৃদ্ধি ও বিকাশ                                                                                                                                                                                                             

191. বৃদ্ধির শুরু থেকে শেষ পর্যন্ত সময়কালে যখন বৃদ্ধি দ্রুতলয়ে চলতে থাকে, তখন তাকে বলে-                                                                                                                                                                                                                         

[A] গ্র্যান্ড পিরিয়ড                                                                                                                                                                                                           

[B] ল্যাগ পিরিয়ড                                                                                                                                                                                                           

[C] স্থায়ী দশা                                                                                                                                                                                                                      

[D] স্থির দশা                                                                                                                                                                                                                

উত্তর :- [A] গ্র্যান্ড পিরিয়ড                                                                                                                                                                                                           

192. জীববিজ্ঞানের যে শাখায় বার্ধক্য সম্পর্কিত বিষয় আলোচিত হয়, তাকে বলে-                                                                                                                                                                                                                     

[A] অ্যানথ্রোপোলজি                                                                                                                                                                                                

[B] সাইকোলজি                                                                                                                                                                                                     

[C] ফিজিওলজি                                                                                                                                                                                                      

[D] জেরোন্টোলজি                                                                                                                                                                                                  

উত্তর :- [D] জেরোন্টোলজি                                                                                                                                                                                                  

193. জীবের শুষ্ক ওজনের স্থায়ীভাবে বেড়ে যাওয়াকে বলে-                                                                                                                                                                                                                     

[A] বিকাশ                                                                                                                                                                                                             

[B] বিভেদন                                                                                                                                                                                                          

[C] বিভাজন                                                                                                                                                                                                          

[D] বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [D] বৃদ্ধি                                                                                                                                                                                                                

194                                                                                                                                                                                                               . 4 জীবের বৃদ্ধির প্রধান দশার সংখ্যা হল-

[A] 4 টি                                                                                                                                                                                                                   

[B] 5 টি                                                                                                                                                                                                                   

[C] 3 টি                                                                                                                                                                                                                   

[D] 2 টি                                                                                                                                                                                                                   

উত্তর :- [C] 3 টি                                                                                                                                                                                                                   

195. উদ্ভিদের বৃদ্ধি মাপা যায়, যার সাহায্যে-                                                                                                                                                                                                                     

[A] অক্সানোমিটার                                                                                                                                                                                                   

[B] আর্ক-ইন্ডিকেটর                                                                                                                                                                                                       

[C] অনুভূমিক মাইক্রোস্কোপ                                                                                                                                                                                                   

[D] উপরোক্ত সবগুলির সাহায্যেই                                                                                                                                                                                                         

উত্তর :- [C] অনুভূমিক মাইক্রোস্কোপ                                                                                                                                                                                                   

196. বৃদ্ধির একটি বাহ্যিক শর্ত হল-                                                                                                                                                                                                                     

[A] জিন                                                                                                                                                                                                                

[B] হরমোন                                                                                                                                                                                                           

[C] সূর্যালোক                                                                                                                                                                                                         

[D] সবকটি                                                                                                                                                                                                            

উত্তর :- [C] সূর্যালোক                                                                                                                                                                                                         

197. বর্ধিষ্ণু জীবের বৃদ্ধির সময়ে কোন দশাটি প্রথম দেখা যায়-                                                                                                                                                                                                                     

[A] কোশ পরিণতি                                                                                                                                                                                                           

[B] কোশ পরিবর্তন                                                                                                                                                                                                          

[C] কোশ পরিস্ফুরন                                                                                                                                                                                                        

[D] কোশ বিভাজন                                                                                                                                                                                                          

উত্তর :- [D] কোশ বিভাজন                                                                                                                                                                                                          

198. উদ্ভিদের প্রস্থে বৃদ্ধিকে বলে-                                                                                                                                                                                                                     

[A] অঙ্গজ বৃদ্ধি                                                                                                                                                                                                                

[B] প্রাথমিক বৃদ্ধি                                                                                                                                                                                                                

[C] গৌণ বৃদ্ধি                                                                                                                                                                                                                

[D] জননগত বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [C] গৌণ বৃদ্ধি                                                                                                                                                                                                                

199. যে বিপাকে দেহের শুষ্ক ওজন বৃদ্ধি পায়, তাকে বলে-                                                                                                                                                                                                                     

[A] উপচিতিমূলক বিপাক                                                                                                                                                                                                             

[B] অপচিতিমূলক বিপাক                                                                                                                                                                                                             

[C] বৃদ্ধিমূলক বিপাক                                                                                                                                                                                                             

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] উপচিতিমূলক বিপাক                                                                                                                                                                                                             

200. যে বিপাকে দেহের শুষ্ক ওজন হ্রাস পায়, তাকে বলে-                                                                                                                                                                                                                     

[A] উপচিতিমূলক বিপাক                                                                                                                                                                                                             

[B] অপচিতিমূলক বিপাক                                                                                                                                                                                                             

[C] বৃদ্ধিমূলক বিপাক                                                                                                                                                                                                             

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] অপচিতিমূলক বিপাক                                                                                                                                                                                                             

201. অপচিতিমূলক বিপাক অপেক্ষা উপচিতিমুলক বিপাক বেশি হলে, দেহের শুষ্ক ওজন বৃদ্ধি পায়, একেই বলে-                                                                                                                                                                                                                     

[A] ঋণাত্মক বৃদ্ধি                                                                                                                                                                                                                

[B] নিয়ত বৃদ্ধি                                                                                                                                                                                                                

[C] অনিয়ত বৃদ্ধি                                                                                                                                                                                                                

[D] ধনাত্মক বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [D] ধনাত্মক বৃদ্ধি                                                                                                                                                                                                                

202. উপচিতিমূলক বিপাক অপেক্ষা অপচিতিমূলক বিপাক বেশি হলে, দেহের শুষ্ক ওজন হ্রাস, একেই বলে-                                                                                                                                                                                                                     

[A] ঋণাত্মক বৃদ্ধি                                                                                                                                                                                                                

[B] নিয়ত বৃদ্ধি                                                                                                                                                                                                                

[C] অনিয়ত বৃদ্ধি                                                                                                                                                                                                                

[D] ধনাত্মক বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [D] ধনাত্মক বৃদ্ধি                                                                                                                                                                                                                

203. বৃদ্ধির দ্বিতীয় দশাটি হল-                                                                                                                                                                                                                     

[A] কোশীয় আকার বৃদ্ধিকরণ দশা                                                                                                                                                                                                                

[B] কোশ বিভাজন দশা                                                                                                                                                                                                                

[C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

[D] বিলম্ব দশা                                                                                                                                                                                                                

উত্তর :- [A] কোশীয় আকার বৃদ্ধিকরণ দশা                                                                                                                                                                                                                

204. বৃদ্ধির শেষ দশাটি হল-                                                                                                                                                                                                                     

[A] কোশীয় আকার বৃদ্ধিকরন দশা                                                                                                                                                                                                                

[B] কোশ বিভাজন দশা                                                                                                                                                                                                                

[C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

[D] বিলম্ব দশা                                                                                                                                                                                                                

উত্তর :- [C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

205. স্টেমকোশ থেকে বিভিন্ন প্রকার রক্তকোশ উৎপাদন, বৃদ্ধির যে দশার অন্তর্ভুক্ত, তা হল-                                                                                                                                                                                                                     

[A] কোশ বিভাজন দশা                                                                                                                                                                                                                

[B] কোশ দীর্ঘিকরণ দশা                                                                                                                                                                                                                

[C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

[D] কোশের জরা দশা                                                                                                                                                                                                                

উত্তর :- [C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

206. ভাজক কলার বিভাজন যে বৃদ্ধি দশার অন্তর্ভুক্ত, তা হল-                                                                                                                                                                                                                     

[A] কোশ দীর্ঘিকরণ দশা                                                                                                                                                                                                                

[B] কোশ বিভাজন দশা                                                                                                                                                                                                                

[C] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] কোশ বিভাজন দশা                                                                                                                                                                                                                

207. ভাজক কলার বিভাজন স্থায়ী কলায় পরিণত হওয়া যে বৃদ্ধি দশার অন্তর্ভুক্ত, তা হল-                                                                                                                                                                                                                     

[A] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

[B] কোশ দীর্ঘিকরণ দশা                                                                                                                                                                                                                

[C] কোশ বিভাজন দশা                                                                                                                                                                                                                

[D] সবগুলিই সঠিক                                                                                                                                                                                                              

উত্তর :- [A] কোশীয় বিভেদন দশা                                                                                                                                                                                                                

208. প্রাথমিক ভাজক কলার কোশের বিভাজনের ফলে যে বৃদ্ধি ঘটে, তাকে বলে-                                                                                                                                                                                                                     

[A] জননগত বৃদ্ধি                                                                                                                                                                                                                

[B] ধনাত্মক বৃদ্ধি                                                                                                                                                                                                                

[C] গৌণ বৃদ্ধি                                                                                                                                                                                                                

[D] প্রাথমিক বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [D] প্রাথমিক বৃদ্ধি                                                                                                                                                                                                                

209. গৌণ ভাজক কলার কোশের বিভাজনের ফলে যে বৃদ্ধি ঘটে, তাকে বলে-                                                                                                                                                                                                                     

[A] অঙ্গজ বৃদ্ধি                                                                                                                                                                                                                

[B] প্রাথমিক বৃদ্ধি                                                                                                                                                                                                                

[C] জননগত বৃদ্ধি                                                                                                                                                                                                                

[D] গৌণ বৃদ্ধি                                                                                                                                                                                                                

উত্তর :- [D] গৌণ বৃদ্ধি                                                                                                                                                                                                                

210. বৃদ্ধি ও তৎ-পরবর্তী পরিবর্তনের মাধ্যমে জীবদেহের জতিলতা বৃদ্ধির প্রক্রিয়াকে বলে-                                                                                                                                                                                                                     

[A] বৃদ্ধি                                                                                                                                                                                                                

[B] বিকাশ                                                                                                                                                                                                             

[C] বিভাজন                                                                                                                                                                                                          

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] বিকাশ                                                                                                                                                                                                             

211. মানব বিকাশের মোট দশার সংখ্যা হল-                                                                                                                                                                                                                     

[A] 3                                                                                                                                                                                                                   

[B] 4                                                                                                                                                                                                                   

[C] 5                                                                                                                                                                                                                   

[D] 6                                                                                                                                                                                                                   

উত্তর :- [C] 5                                                                                                                                                                                                                   

212. বয়ঃসন্ধিতে যে গ্রন্থির কার্যকারিতা বৃদ্ধি পায়, তা হল-                                                                                                                                                                                                                     

[A] সিবেসিয়াস গ্রন্থি                                                                                                                                                                                                                

[B] ঘর্ম গ্রন্থি                                                                                                                                                                                                                

[C] যৌন গ্রন্থি                                                                                                                                                                                                                

[D] সবকটি                                                                                                                                                                                                            

উত্তর :- [A] সিবেসিয়াস গ্রন্থি                                                                                                                                                                                                                

213. যৌন চেতনার বিকাশ ঘটে যে বিকাশ দশায়, তা হল-                                                                                                                                                                                                                     

[A] শৈশব                                                                                                                                                                                                             

[B] পরিণত                                                                                                                                                                                                           

[C] বয়ঃসন্ধি                                                                                                                                                                                                          

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [C] বয়ঃসন্ধি                                                                                                                                                                                                          

214. মানব বিকাশের অন্তিম পরিণতি দশার বৈশিষ্ট্য হল-                                                                                                                                                                                                                     

[A] মোটর ক্রিয়ার বিকাশ                                                                                                                                                                                                             

[B] বুদ্ধির দ্রুত বিকাশ                                                                                                                                                                                                             

[C] বিমূর্ত চিন্তার বিকাশ                                                                                                                                                                                                             

[D] স্মৃতিহ্রাস                                                                                                                                                                                                          

উত্তর :- [D] স্মৃতিহ্রাস                                                                                                                                                                                                          

215. পাতায় অস্থানিক মুকুল উৎপন্ন  হয়-                                                                                                                                                                                                                     

[B] গোল আলুতে                                                                                                                                                                                                           

[A] মিষ্টি আলুতে                                                                                                                                                                                                           

[C] কচুরিপানাতে                                                                                                                                                                                                    

[D] পাথরকুচিতে                                                                                                                                                                                                    

উত্তর :- [D] পাথরকুচিতে                                                                                                                                                                                                    

216. রেণু উৎপাদন পদ্ধতিতে জনন সম্পন্ন করে-                                                                                                                                                                                                                     

[A] ছত্রাকজাতীয় উদ্ভিদ                                                                                                                                                                                                             

[B] প্ল্যানেরিয়া                                                                                                                                                                                                        

[C] হাইড্রা                                                                                                                                                                                                             

[D] অ্যামিবা                                                                                                                                                                                                           

উত্তর :- [A] ছত্রাকজাতীয় উদ্ভিদ                                                                                                                                                                                                             

217. রসালো মূলের উদাহরণ হল-                                                                                                                                                                                                                     

[A] কচুরিপানা                                                                                                                                                                                                        

[B] মিষ্টি আলু                                                                                                                                                                                                               

[C] গোল আলু                                                                                                                                                                                                               

[D] পাথরকুচি                                                                                                                                                                                                        

উত্তর :- [B] মিষ্টি আলু                                                                                                                                                                                                               

218. কান্ড স্টোলন প্রকৃতির যে উদ্ভিদে, তার নাম-                                                                                                                                                                                                                     

[A] মিষ্টি আলু                                                                                                                                                                                                               

[B] গোল আলু                                                                                                                                                                                                               

[C] কচুরিপানা                                                                                                                                                                                                        

[D] পাথরকুচি                                                                                                                                                                                                        

উত্তর :- [C] কচুরিপানা                                                                                                                                                                                                        

219. জোড়কলম একপ্রকার-                                                                                                                                                                                                                     

[A] যৌন জনন                                                                                                                                                                                                              

[B] অযৌন জনন                                                                                                                                                                                                              

[C] অঙ্গজ জনন                                                                                                                                                                                                              

[D] অপুংজনি                                                                                                                                                                                                         

উত্তর :- [C] অঙ্গজ জনন                                                                                                                                                                                                              

220. কলমের সাহায্যে উদ্ভিদের জনন হল-                                                                                                                                                                                                                     

[A] কৃত্রিম অঙ্গজ জনন                                                                                                                                                                                                              

[B] অযৌন জনন                                                                                                                                                                                                              

[C] যৌন জনন                                                                                                                                                                                                              

[D] প্রাকৃতিক অঙ্গজ জনন                                                                                                                                                                                                              

উত্তর :- [A] কৃত্রিম অঙ্গজ জনন                                                                                                                                                                                                              

221. সংযুক্তি বা সংশ্লেষ পদ্ধতিতে সৃষ্ট নিষিক্ত ডিম্বাণুকে বলে-                                                                                                                                                                                                                     

[A] জাইগোট                                                                                                                                                                                                         

[B] জাইগোস্পোর                                                                                                                                                                                                   

[C] অ্যাজাইগোস্পোর                                                                                                                                                                                               

[D] ঊস্পোর                                                                                                                                                                                                          

উত্তর :- [B] জাইগোস্পোর                                                                                                                                                                                                   

222. সংযুক্তি পদ্ধতিতে জনন সম্পন্নকারী একটি উদ্ভিদ হল-                                                                                                                                                                                                                     

[A] স্পাইরোগাইরা                                                                                                                                                                                                   

[B] মিউকর                                                                                                                                                                                                           

[C] মস                                                                                                                                                                                                                 

[D] ফার্ন                                                                                                                                                                                                                

উত্তর :- [A] স্পাইরোগাইরা                                                                                                                                                                                                   

223. ফার্ন যেভাবে জনন সম্পন্ন করে, তা হল-                                                                                                                                                                                                                     

[A] কোরকোদ্‌গম                                                                                                                                                                                                   

[B] খণ্ডীভবন                                                                                                                                                                                                         

[C] রেণু উৎপাদন                                                                                                                                                                                                         

[D] পুনরুৎপাদন                                                                                                                                                                                                     

উত্তর :- [C] রেণু উৎপাদন                                                                                                                                                                                                         

224. নিষেকের পরে ডিম্বাশয় রূপান্তরিত হয়-                                                                                                                                                                                                                     

[A] বীজে                                                                                                                                                                                                              

[B] সস্যে                                                                                                                                                                                                              

[C] ফলে                                                                                                                                                                                                               

[D] থ্যালামাসে                                                                                                                                                                                                       

উত্তর :- [C] ফলে                                                                                                                                                                                                               

225. গুপ্তবীজী উদ্ভিদের সস্য হল-                                                                                                                                                                                                                     

[A] হ্যাপ্লয়েড                                                                                                                                                                                                                      

[B] ডিপ্লয়েড                                                                                                                                                                                                         

[C] ট্রিপ্লয়েড                                                                                                                                                                                                          

[D] টেট্রাপ্লয়েড                                                                                                                                                                                                      

উত্তর :- [C] ট্রিপ্লয়েড                                                                                                                                                                                                          

226. নিষিক্ত ডিম্বাণুর নাম-                                                                                                                                                                                                                     

[A] শুক্রাণু                                                                                                                                                                                                            

[B] জাইগোট                                                                                                                                                                                                         

[C] জাইগোস্পোর                                                                                                                                                                                                   

[D] স্পোর                                                                                                                                                                                                             

উত্তর :- [B] জাইগোট                                                                                                                                                                                                         

227. অপুংজনিতে অংশগ্রহনকারী অনিষিক্ত ডিম্বাণুটিকে বলা হয়-                                                                                                                                                                                                                     

[A] জাইগোট                                                                                                                                                                                                         

[B] জাইগোস্পোর                                                                                                                                                                                                   

[C] অ্যাজাইগোস্পোর                                                                                                                                                                                               

[D] উস্পোর                                                                                                                                                                                                          

উত্তর :- [C] অ্যাজাইগোস্পোর                                                                                                                                                                                               

228. ডিম্বাণু উৎপাদনের পদ্ধতিতে বলে-                                                                                                                                                                                                                     

[A] স্পার্মাটোজেনেসিস                                                                                                                                                                                            

[B] ঊজেনেসিস                                                                                                                                                                                                     

[C] পার্থেনোজেনেসিস                                                                                                                                                                                             

[D] গ্যামেটোজেনেসিস                                                                                                                                                                                            

উত্তর :- [B] ঊজেনেসিস                                                                                                                                                                                                     

229. শুক্রাণু উৎপাদনের পদ্ধতিকে বলে-                                                                                                                                                                                                                     

[A] স্পার্মাটোজেনেসিস                                                                                                                                                                                            

[B] ঊজেনেসিস                                                                                                                                                                                                     

[C] পার্থেনোজেনেসিস                                                                                                                                                                                             

[D] গ্যামেটোজেনেসিস                                                                                                                                                                                            

উত্তর :- [A] স্পার্মাটোজেনেসিস                                                                                                                                                                                            

230. সম- আকৃতির দুটি জননকোশের মিলন পদ্ধতিকে বলে-                                                                                                                                                                                                                     

[A] আইসোগ্যামি                                                                                                                                                                                                    

[B] অ্যানাইসোগ্যামি                                                                                                                                                                                                

[C] ঊগ্যামি                                                                                                                                                                                                           

[D] সিনগ্যামি                                                                                                                                                                                                         

উত্তর :- [A] আইসোগ্যামি                                                                                                                                                                                                    

231. গ্যামেট উৎপাদন ছাড়াই শুধুমাত্র দেহকোশে বিভাজিত হয়ে অপত্য সৃষ্টি হয়-                                                                                                                                                                                                                     

[A] যৌন জননে                                                                                                                                                                                                             

[B] অঙ্গজ জননে                                                                                                                                                                                                             

[C] অযৌন জননে                                                                                                                                                                                                             

[D] অপুংজনিতে                                                                                                                                                                                                     

উত্তর :- [C] অযৌন জননে                                                                                                                                                                                                             

232. যৌন দ্বিরুপতা দেখা যায়-                                                                                                                                                                                                                     

[A] আরশোলাতে                                                                                                                                                                                                    

[B] কেঁচোতে                                                                                                                                                                                                        

[C] অ্যামিবা-তে                                                                                                                                                                                                                 

[D] প্লাসমোডিয়াম-এ                                                                                                                                                                                                                   

উত্তর :- [A] আরশোলাতে                                                                                                                                                                                                    

233. বহিঃনিষেক ঘটে-                                                                                                                                                                                                                     

[A] মানুষে                                                                                                                                                                                                            

[B] মাছে                                                                                                                                                                                                              

[C] হরিনে                                                                                                                                                                                                             

[D] ঘোরাতে                                                                                                                                                                                                          

উত্তর :- [B] মাছে                                                                                                                                                                                                              

234. উভলিঙ্গ প্রাণী হল-                                                                                                                                                                                                                     

[A] আরশোলা                                                                                                                                                                                                        

[B] হাতি                                                                                                                                                                                                               

[C] কেঁচো                                                                                                                                                                                                             

[D] ব্যাং                                                                                                                                                                                                                

উত্তর :- [C] কেঁচো                                                                                                                                                                                                             

235. অনিষিক্ত ডিম্বাণু থেকে সরাসরি অপত্য সৃষ্টির পদ্ধতিকে বলে-                                                                                                                                                                                                                     

[A] পিডোজেনেসিস                                                                                                                                                                                                

[B] পার্থেনোজেনেসিস                                                                                                                                                                                             

[C] পার্থেনোকার্পি                                                                                                                                                                                                   

[D] ঊজেনেসিস                                                                                                                                                                                                     

উত্তর :- [B] পার্থেনোজেনেসিস                                                                                                                                                                                             

236. যে প্রক্রিয়ায় ব্যাকটেরিয়ার অঙ্গজ জনন ঘটে তার নাম –                                                                                                                                                                                                                     

[A] দ্বিবিভাজন                                                                                                                                                                                                        

[B] খণ্ডীভবন                                                                                                                                                                                                         

[C] বহুবিভাজন                                                                                                                                                                                                      

[D] মাইটোসিস                                                                                                                                                                                                       

উত্তর :- [A] দ্বিবিভাজন                                                                                                                                                                                                        

237. মূলত মুকুল দ্বারা বংশবৃদ্ধি করে-                                                                                                                                                                                                                     

[A] গোলাপ                                                                                                                                                                                                           

[B] ডালিয়া                                                                                                                                                                                                            

[C] পটল                                                                                                                                                                                                              

[D] পাথরকুচি                                                                                                                                                                                                        

উত্তর :- [C] পটল                                                                                                                                                                                                              

238. যে জীবের ক্ষেত্রে অনিষিক্ত হ্যাপ্লয়েড ডিম্বাণু থেকে অপত্য জীব সৃষ্টি হয়, তা হল-                                                                                                                                                                                                                     

[A] ব্যাং                                                                                                                                                                                                                

[B] মৌমাছি                                                                                                                                                                                                           

[C] পায়রা                                                                                                                                                                                                             

[D] মটর গাছ                                                                                                                                                                                                                

উত্তর :- [B] মৌমাছি                                                                                                                                                                                                           

239. ফার্নের রেণুমাতৃকোশে যে বিভাজন পদ্ধতিতে রেণু উৎপন্ন হয়, তা হল-                                                                                                                                                                                                                     

[A] মিয়োসিস                                                                                                                                                                                                         

[B] অ্যামাইটোসিস                                                                                                                                                                                                  

[C] মাইটোসিস                                                                                                                                                                                                       

[D] দ্বিবিভাজন                                                                                                                                                                                                        

উত্তর :- [A] মিয়োসিস                                                                                                                                                                                                         

240. জনুক্রমে যৌন জনু হল-                                                                                                                                                                                                                     

[A] লিঙ্গধর দশা                                                                                                                                                                                                                

[B] রেনুধর দশা                                                                                                                                                                                                                

[C] ভ্রন                                                                                                                                                                                                                 

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] লিঙ্গধর দশা                                                                                                                                                                                                                

241. জনুক্রমে অযৌন জনু বলতে বোঝায় যে উদ্ভিদ দশাকে, তা হল-                                                                                                                                                                                                                     

[A] লিঙ্গধর দশা                                                                                                                                                                                                                

[B] রেনুধর দশা                                                                                                                                                                                                                

[C] ভ্রন                                                                                                                                                                                                                 

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [B] রেনুধর দশা                                                                                                                                                                                                                

242. ফার্নের জনুক্রমে যে দশাটি হ্যাপ্লয়েড, তা হল-                                                                                                                                                                                                                     

[A] লিঙ্গধর                                                                                                                                                                                                            

[B] রেনুধর                                                                                                                                                                                                            

[C] রেণুমাতৃকোশ                                                                                                                                                                                                   

[D] কোনোটিই নয়                                                                                                                                                                                                                 

উত্তর :- [A] লিঙ্গধর                                                                                                                                                                                                            

243. ফার্নের জনুক্রমে রেনুধর দশাটি হল-                                                                                                                                                                                                                     

[A] হ্যাপ্লয়েড (N)                                                                                                                                                                                                              

[B] ডিপ্লয়েড(2N)                                                                                                                                                                                                

[C] ট্রিপ্লয়েড(3N)                                                                                                                                                                                                

[D] কোয়াড্রুপ্লয়েড(4N)                                                                                                                                                                                         

উত্তর :- [B] ডিপ্লয়েড(2N)                                                                                                                                                                                                

244. ভল্ভক্স-এর জনন হল-                                                                                                                                                                                                                     

[A] যৌণ জনন                                                                                                                                                                                                              

[B] অযৌন জনন                                                                                                                                                                                                              

[C] অঙ্গজ জনন                                                                                                                                                                                                              

[D] অপুংজনি                                                                                                                                                                                                         

উত্তর :- [B] অযৌন জনন                                                                                                                                                                                                              

245. কচুরিপানার যে পরিবর্তিত অর্ধবায়বীয় কান্ডের মাধ্যমে অঙ্গজ ঘটে, তার নাম-                                                                                                                                                                                                                     

[A] ঊর্ধধাবক                                                                                                                                                                                                          

[B] খর্বধাবক                                                                                                                                                                                                          

[C] বক্রধাবক                                                                                                                                                                                                         

[D] ধাবক                                                                                                                                                                                                              

উত্তর :- [B] খর্বধাবক                                                                                                                                                                                                          

246. পাথরকুচি পাতার মুকুলকে বলে-                                                                                                                                                                                                                     

[A] পত্রাশয়ী মুকুল                                                                                                                                                                                                              

[B] পরাশ্রয়ী মুকুল                                                                                                                                                                                                              

[C] স্থানিক মুকুল                                                                                                                                                                                                              

[D] কোনোটিই নয়                                                                                                                                                                                                                      

উত্তর :- [A] পত্রাশয়ী মুকুল                                                                                                                                                                                                              

247. স্টক ও সিয়নের মাধ্যমে কলম সৃষ্টি করা যায়-                                                                                                                                                                                                                     

[A] শাখাকলমে                                                                                                                                                                                                      

[B] গুটিকলমে                                                                                                                                                                                                                      

[C] দাবাকলম                                                                                                                                                                                                         

[D] জোড়কলম                                                                                                                                                                                                      

উত্তর :- [D] জোড়কলম                                                                                                                                                                                                      

248. জবা ও গাঁদার ক্ষেত্রে সাধারণত যে কৃত্রিম অঙ্গজ জনন ঘটানো হয়, তার নাম-                                                                                                                                                                                                                     

[A] শাখাকলম                                                                                                                                                                                                        

[B] গুটিকলম                                                                                                                                                                                                         

[C] দাবাকলম                                                                                                                                                                                                         

[D] জোড়কলম                                                                                                                                                                                                      

উত্তর :- [A] শাখাকলম                                                                                                                                                                                                        

249. নির্ণীত নিউক্লিয়াসের ক্রোমোজোম সংখ্যা হল-                                                                                                                                                                                                                     

[A] N                                                                                                                                                                                                                  

[B] 2N                                                                                                                                                                                                                

[C] 3N                                                                                                                                                                                                                

[D] 4N                                                                                                                                                                                                                

উত্তর :- [B] 2N                                                                                                                                                                                                                

250. সস্য নিউক্লিয়াসের ক্রোমোজোম সংখ্যা হল-                                                                                                                                                                                                                     

[A] N                                                                                                                                                                                                                  

[B] 2N                                                                                                                                                                                                                

[C] 3N                                                                                                                                                                                                                

[D] 4N                                                                                                                                                                                                                

উত্তর :- [C] 3N                                                                                                                                                                                                                

251. বুলবিল গঠনের মাধ্যমে বংশবিস্তার করে-                                                                                                                                                                                                                     

[A] রাঙ্গা-আলু                                                                                                                                                                                                               

[B] আমরুল                                                                                                                                                                                                          

[C] চুপড়ি আলু                                                                                                                                                                                                               

[D] ডালিয়া                                                                                                                                                                                                            

উত্তর :- [C] চুপড়ি আলু                                                                                                                                                                                                               

252. কোরকোদগম পদ্ধতিতে বংশবিস্তার করে এমন একটি ছত্রাকের উদাহরণ হল-                                                                                                                                                                                                                     

[A] ঈস্ট                                                                                                                                                                                                               

[B] পেনিসিলিয়াম                                                                                                                                                                                                   

[C] অ্যাসপারজিলাস                                                                                                                                                                                                 

[D] পাকসিনিয়া গ্রামিনিস                                                                                                                                                                                                          

উত্তর :- [A] ঈস্ট                                                                                                                                                                                                               

253. মূলের শাখাকলম দেখা যায়-                                                                                                                                                                                                                     

[A] গোলাপে                                                                                                                                                                                                          

[B] আপেলে                                                                                                                                                                                                          

[C] কমলালেবুতে                                                                                                                                                                                                   

[D] আখে                                                                                                                                                                                                              

উত্তর :- [C] কমলালেবুতে                                                                                                                                                                                                   

জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান সাজেশন প্রশ্ন উত্তর Class 10 Life science Suggestion | West Bengal WBBSE Class MADHYAMIK MADHYAMIK(Class 10th) Life science Question and Answer Suggestion

” জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন উত্তর “ একটি অতি গুরুত্বপূর্ণ টপিক দশম শ্রেণীর পরীক্ষা (West Bengal Class MADHYAMIK MADHYAMIK/ WB Class 10 / WBBSE / Class 10 Exam / West Bengal Board of Secondary Education – WB Class 10 Exam / Class 10th / WB Class 10 / Class 10 Pariksha ) এখান থেকে প্রশ্ন অবশ্যম্ভাবী । সে কথা মাথায় রেখে দশম শ্রেণীর জীবন বিজ্ঞান পরীক্ষা প্রস্তুতিমূলক সাজেশন এবং প্রশ্ন ও উত্তর ( দশম শ্রেণীর জীবন বিজ্ঞান সাজেশন / দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ ও উত্তর । Class 10 Life science Suggestion / Class 10 Life science  Question and Answer / Class 10 Life science Suggestion / Class 10 Pariksha Life science Suggestion / Life science Class 10 Exam Guide / MCQ , Short , Descriptive Type Question and Answer / Class 10 Life science Suggestion FREE PDF Download)

জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর

(Class 10 Life science Suggestion / West Bengal MADHYAMIK MADHYAMIKQuestion and Answer, Suggestion / WBBSE Class 10th Life science Suggestion / Class 10 Life science  Question and Answer / Class 10 Life science  Suggestion / Class 10 Pariksha Suggestion / Class 10 Life science  Exam Guide / Class 10 Life science  Suggestion 2024, 2025, 2026, 2027, 2023, 2021, 2020, 2018, 2017, 2016, 2015, 2028, 2028, 2030 / Class 10 Life science  Suggestion MCQ , Short , Descriptive Type Question and Answer. / Class 10 Life science  Suggestion FREE PDF Download) সফল হবে।

জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর

জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন ও উত্তর | জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) Class 10 Life science  Question and Answer Suggestion দশম শ্রেণীর জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন ও উত্তর। | দশম শ্রেণীর জীবন বিজ্ঞান  জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) MCQ প্রশ্ন ও উত্তর | জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) Class 10 Life science  Question and Answer Suggestion

দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন উত্তরজীবনের প্রবমানতা (দ্বিতীয় অধ্যায়)

দশম শ্রেণির জীবন বিজ্ঞান জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) SAQ সংক্ষিপ্ত প্রশ্ন ও উত্তর | জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) Class 10 Life science  Question and Answer Suggestion দশম শ্রেণীর জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) SAQ সংক্ষিপ্ত প্রশ্ন উত্তর। জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) MCQ প্রশ্ন উত্তর – দশম শ্রেণি জীবন বিজ্ঞান | Class 10 Life science 

দশম শ্রেণি জীবন বিজ্ঞান (Class 10 Life science ) – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর | জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) | Class 10 Life science  Suggestion দশম শ্রেণি জীবন বিজ্ঞানজীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর

দশম শ্রেণির জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন উত্তর | Class 10 Life science  Question and Answer, Suggestion দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন ও উত্তর – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) | জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) দশম শ্রেণীর জীবন বিজ্ঞান প্রশ্ন ও উত্তর | দশম শ্রেণীর জীবন বিজ্ঞান সহায়ক – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন ও উত্তর । Class 10 Life science  Question and Answer, Suggestion | Class 10 Life science  Question and Answer Suggestion | Class 10 Life science  Question and Answer Notes | West Bengal Class 10th Life science Question and Answer Suggestion.

সপ্তম শ্রেণী থেকে দ্বাদশ শ্রেণী পর্যন্ত নোটস
সপ্তম শ্রেণীপড়ুন
অষ্টম শ্রেণীপড়ুন
নবম শ্রেণীপড়ুন
দশম শ্রেণিপড়ুন

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দশম শ্রেণীর জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) MCQ প্রশ্ন উত্তর | WBBSE Class 10 Life science Question and Answer, Suggestion দশম শ্রেণীর জীবন বিজ্ঞান – জীবনের প্রবমানতা (দ্বিতীয় অধ্যায়) প্রশ্ন ও উত্তর | Class 10 Life science  Question and Answer Suggestion.

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