Important Questions
Class-12th Subject- Biology
1. Write a short note on Bt cotton.
2. What is RNAi?
3. Write a brief note on incomplete dominance.
4. Write a short Note on- I. Sickel cell Anaemia II. Thalassemia
5. Difference Between Turner syndrome and klinefelter syndrome.
6. What is pleiotropy?
7. What is sewage? Explain the process of sewage treatment.
8. Explain Biofertilizer.
9. What is decomposition? Explain its process.
10. Make a labelled diagram of human Sperm.
11. What is placenta? Explain its functions and hormones secreted by it.
12. Draw a labelled diagram of female reproductive system.
13. Explain - I. Apomixis II. Parthenocarpy
14. Make a labelled diagram of Embryo sac.
15. What is replication? Explain its mechanism.
16. Explain the mechanism of transcription and translation.
17. Write a difference between In-situ and Ex-situ conservation.
18. What is ecological pyramid? Discuss about its types with example.
19. Write a difference between food chain and food web.
20. Explain the Griffith experiment done for the search for the genetic material.
21. What is gene therapy? Explain about ADA gene.
22. What is innate immunity? Write down about various barriers of it.
23. Difference between:- I. Homologous and Analogous organ II. Convergent and Divergent
Evolution
24. Explain about Watson and Crick model of DNA/Explain DNA doble helical model.
25. What is double fertilization? Discuss about triple fusion.
26. What is contraceptive device? Explain about IUD’S, Oral Pills and Surgical methods of it.
27. What is Test-Tube baby/IVF-ET?
28. What is mutation? Difference between point and frameshift mutation.
29. Difference between DNA and RNA.
30. What is productivity? Difference between and primary and secondary productivity.
31. Explain in detail about- I. AIDS II. Cancer
32. Difference between active and passive immunity.
33. Explain of importance of sex education in adolescence.
34. Effect of drug and alcohol in adolescence.
Class-12th Subject- Biology
1. Write a short note on Bt cotton.
2. What is RNAi?
3. Write a brief note on incomplete dominance.
4. Write a short Note on- I. Sickel cell Anaemia II. Thalassemia
5. Difference Between Turner syndrome and klinefelter syndrome.
6. What is pleiotropy?
7. What is sewage? Explain the process of sewage treatment.
8. Explain Biofertilizer.
9. What is decomposition? Explain its process.
10. Make a labelled diagram of human Sperm.
11. What is placenta? Explain its functions and hormones secreted by it.
12. Draw a labelled diagram of female reproductive system.
13. Explain - I. Apomixis II. Parthenocarpy
14. Make a labelled diagram of Embryo sac.
15. What is replication? Explain its mechanism.
16. Explain the mechanism of transcription and translation.
17. Write a difference between In-situ and Ex-situ conservation.
18. What is ecological pyramid? Discuss about its types with example.
19. Write a difference between food chain and food web.
20. Explain the Griffith experiment done for the search for the genetic material.
21. What is gene therapy? Explain about ADA gene.
22. What is innate immunity? Write down about various barriers of it.
23. Difference between:- I. Homologous and Analogous organ II. Convergent and Divergent
Evolution
24. Explain about Watson and Crick model of DNA/Explain DNA doble helical model.
25. What is double fertilization? Discuss about triple fusion.
26. What is contraceptive device? Explain about IUD’S, Oral Pills and Surgical methods of it.
27. What is Test-Tube baby/IVF-ET?
28. What is mutation? Difference between point and frameshift mutation.
29. Difference between DNA and RNA.
30. What is productivity? Difference between and primary and secondary productivity.
31. Explain in detail about- I. AIDS II. Cancer
32. Difference between active and passive immunity.
33. Explain of importance of sex education in adolescence.
34. Effect of drug and alcohol in adolescence.
