Biology section i Botany – Important Question Bank for Tamil Nadu (TN + 2) HSC 2016 Examination

Biology-Section I (Botany)

1. Describe Datura metal in technical terms. Draw the floral diagram and write the floral formula.
2. Describe Hibiscus rosa-sinensis in botanical terms.
3. Write about the basic techniques of plant tissue culture.
4. Write the anatomical difference between monocot root and dicot root.
5. Describe the primary structure of a monocot root.
6. Describe the primary structure of a monocot Stem.
7. Describe the sequences of reactions of Kreb’s cycle. (Flow chart or Explanation)
8. Describe the steps involved in Glycolysis. (Flow chart or Explanation)
9. Write the differences between DNA and RNA.
10. Write an essay on DNA recombinant technology.
11. Draw and label the structure of t-RNA.
12. Write any three differences between cyclic and non-cyclic photophosphorylation.
13. Draw the structure of chromosome and label its parts.
14. Draw bicollateral Vascular Bundle and label its parts.
15. Describe the Vascular tissue system.
16. Write any three economic importance of cotton, rice, groundnut.
17. Write the overall equation of photosynthesis.
18. What is photoperiodism?
19. Write the physiological effects of auxins ,cytokinin. gibberellins, abscisic acid
20. Bring out the significance of herbarium.
21. Describe the internal structure of dicot leaf with the help of diagram.
22. What are called Passage cells?
23. What is called Heterosis?
24. What is polygamous? Give an example.
25. What is single cell protein? What are the uses of single cell protein?
26. What is called Respiratory quotient?
27. What is called SCP? Mention its uses.
28. Write any five salient features of ICBN.
29. Explain Ganong‟s respiroscope experiment.
30. Write the significance of ploidy.
31. What are the three classes of phanerogams?
32. What is atropine? Mention its use.
33.  Name any three binomials of transgenic monocotyledonous plants.
34.  What are the differences between C3 and C4 pathways?
35.  Draw and label the structure of ATP.
36. What is Richmond Lang effect?
37. Bring out the merits of Bentham and Hooker’s classification of plants.
38. Write short notes on insectivorous plant.
39. What is the role of Agrobacterium for gene transfer in plants?
40. Draw and label the parts of xylem vessel.
41.  Write short note on microbes in medicine.
42. Draw and label the structure of angular collenchyma.
43. What are called long day plants? Give an example.
44. Write any five practical applications of genetic transformation.
45. Write the aims of plant breeding (Any five).

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