IMP Questions For BOARD  2018-19 (Biology) 



1. Explain in short : Chlorophyll-a molecules act as reaction center.
OR
1. Distinguish berween Carbosylation and Oxygenation.
2. Explain: Role of hormones in digestion.
3. Explain structure plays important role in the process of breathin.
4 Explain structure of Vertebral column. (diagram not required)
5. Describe location, structure, secretion and functions of pineal gland.
points)
OR
5. Explain Homones of female gonads.
6. Write short notes on Photoperiodism.
7. Explain in Detail Reproductive Health Problems and Strategies.
8. "Genetically modified plants could pose biological and ecological risk explain.
9. Describe chemical potential of water.
10. How urine formation occurs by changes in filterate composition? Explain?
11. Describe any three causes of biodiversity loss.
12. Explain : Ultrastructure of nerve cells.
13. Describe Endosperm.
 oR
13.Explain development of Nucleartype.
OR
13.Describe the development of PEN
OR
14. "Explain: Outbreeding Devices
oR
14.Explain with Example
developed many devices to discourage self pollination.
15. Explain briefly : Griffith effect.
OR
15. Describe : Respiratory quotient.
16. Write Shot notes on Hypertension.
17. Explain the intemal structure of ovary with diagram.
18. Explain inheritance of colour blindness by giving both the charts.

19. Write sbort note on any one of following (1) Thalassacum (2) sickel cell Anemia

20. explain the mechanism of concentration of the filtrate by henles loop.

21. Describe pectoral girdle.

22.explain development of proton gradient during the process of photophosphorylation by chemiosmotic hypothesis.

23.Write the difference between C3 and C4, pathway

24. Write the steps of expiration process in human being

25. Give
the location and importance of endocrine gland acting as biological clock
in human body.

26From where PTH is secreted and write the functions of it.
with example.

27. Write the types of induce plant movements by an extemal and directional stimulus

28. Write short note → IUDs

29. Give the main points on the basis of which biopatent is granted

30. Write the main properties of genetic code.

31. Give the names and functions of enzymes responsible for protein digestion in human
alimentary canal.

32.Explain the process with diagram when a living cell is placed in concentrated salt
solution.

33. Explain the plasma membrane of nerve cell with respect to maintenance of electrical
potential

34. Explain Biosphere reserves. (Diagram not necessary).

35. Explain structure of ovule in plants.

36.Give characteristics of Anemophillus flowers.

37. Explain internal structure of human heart (diagram not necessary)

38. Draw the chart of Krebs cycle. Write synthesis of ATP during Krebs cycle.

39. Explain
(a) T.S. of human testis
(b) Location and internal structure of uterus

40. Explain Genetic balance theory in drossophila with chart

41.metabolism in human.
Explain the reason and types of inborn error of metabolism in human.