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Wednesday, February 3, 2016

ANGRA University: M.Sc PLANT PHYSIOLOGY AND METABOLISM 2010 Question Paper

Looking for Acharya N.G. Ranga Agricultural University old exam papers ? You can here download M.Sc first year 2010 question for Paper IV — PLANT PHYSIOLOGY AND METABOLISM.
Question Paper Code: DBOT 04
M.Sc. (Previous) DEGREE EXAMINATION,
JUNE 2010.
First Year
Botany
Paper IV — PLANT PHYSIOLOGY AND METABOLISM
Time : Three hours Maximum : 100 marks
SECTION A — (5 ´ 8 = 40 marks)
Answer any FIVE questions.
Each question carries 8 marks.
1. Water potential.
2. Criteria of essentiality.
3. Mechanism of enzyme action.
4. Water oxidizing complex.
5. Synthesis of amino acids.
6. Glyoxylate cycle.
7. Hormone receptors.
8. Water stress.

SECTION B — (4 x 15 = 60 marks)
Answer ALL questions.
9. (a) Describe the fine structure of Stomata and explain the mechanism of Stomata opening and closing.
Or
(b) Describe the mechanism of ion uptake in plants.
10. (a) Define photophosphorylation and describe the mechanism of photosynthetic electron transport.
Or
(b) Give an account of the mechanism involved in the Pyruvic acid oxidation in aerobic respiration.
11. (a) Explain the mechanism of protein synthesis in plants.
Or
(b) How are fats degraded in plant tissues?
Briefly explain the b - oxidation pathway.

12. (a) Describe the physiological role of auxins and comment on their importance in Agriculture.
Or
(b) Write a critical essay on the physiology of Flowering process in plants

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