N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Botany, Part-II
PAPER-IX
(Plant Physiology and Biochemistry)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer Five Questions in all, selecting at least Two Questions from each group.
All questions carry equal marks.
GROUP
1. Write short notes on any Two of the following:
Phytochrome
Cyto chrome
Red light and Far Red light and its significance
2. Give an account of Calvin cycle. Give few points to explain difference between C3 and C4 plants.
3. Give an account of the induced movements in plants.
4. What is Stress Give a brief account of salt stress in plants.
5. Write short notes on any Two of the following:
Nastic movement Phototaxis Geotropism and Auxins
GROUP
6. Why proteins are recognized as Biomolecules. Authenticate
7. Describe biochemical nitrogen fixation.
8. Define biomolecules and justify that carbohydrates are biomolecules.
9. What is an Enzyme Give an account of nomenclature and classification of enzyme.
10. Write short notes on any Two of the following:
Nitrogen cycle Nitrate assimilation in plants
Role of chlorophyll in Photosynthesis Exothermic and Endothermic reactions