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1.Explain the steps involved in Krebs cycle.
2. Write the anatomical difference between monocot stem and dicot stem.
3. Discuss briefly the recombinant DNA technology.
4. Describe datura metal in technical terms
5. Describe the structure of a striated muscle with the help of diagram .
6. Write an essay on menstrual cycle .
7. Management of hazardous wastes – Discuss
8. Describe the important steps involved in rearing of chickens .
9. If chicken pox viruses enter into the body of a man , what would the reaction within the body ?
10. Explain the mechanism of reflex action .
11. Write short notes on bacterial genetics .
12. Explain the Ian Wilmut experiment to produce clones .
13. Briefly explain Sewal Wright‟s genetic drift .
14. Write economically useful plants of Solanaceae
15. What is meristem? Explain the types of meristem based on its position?
16. Describe the structure of a chromosome.
17. Write a brief account on SCP.
18. Explain non-cyclic photophosphorylation.
19. Write the significance of pentose phosphate pathway.
20. . ‘Sustainable agriculture is an eco-friendly farming system’ – discuss.
21. What is type specimen?
22. State any three medicinally useful plants of Malvaceae and write their uses.
23. Write any three anatomical differences between plants of gymnosperms and angiosperms.
24. What is endarch xylem? Give example.
25. Draw the diagram of crossing over.
26. What is called splicing?
27. Define BMI
28. What is pulse rate ?
29. Name any two antibiotics .
30. What is meant by diploid cell strain ?
31. Differentiate Autograft from Allograft.
32. What is differentiation ?
33. What is sequenator?
34. What is geothermal energy?
35. What is meant by seeding of clouds?
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i need for 12th physics, biology and maths
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