Nalanda Open University 2010 M.Sc Botany {} Part–II, –IX (Pant Physiology and Biochemistry) Annual , - Question Paper
M.Sc. {Botany} Part–II, Paper–IX (Pant Physiology and Biochemistry) Annual Examination, 2010
M.Sc. {Botany}
Part-II, Paper-IX (Pant Physiology and Biochemistry)
Annual Examination, 20 JO Full Marks : 80 Time : 3 Hours.
Answer tiny I ive Questions. Select at least tzvo questions from each group.
All questions carry equal marks.
GROUP 'A'
1. Discuss morphogenetic effects of light on flowering and explain the phvsiologv of flowering.
2. Give an account of Calvin cycle.
3. What is bio-membrane transportation ? Discuss the mechanism ions and micromolecules transportation across the plasma.
4. Write short notes on anv Ttvo of the following (a) Phvto chrome.
(I)) Short dav plant.
(c) Long dav plant.
5. Describe brieflv the role of growth hormones in seed germination.
Or,
Write short notes on anv Tivo of the following (a) Chemosvnthesis.
(I)) Biochemical effects of draught.
(c) Front injurv in plants.
GROUP IT
6. What do you understand bv biomolecules ?
Or,
Write short notes on anv Ttvo of the following
(a) Nuclei acid.
(b) Proteins.
(c) Carbohydrates.
7. What is enzyme ? Give a detail account of nomenclature and classification of enzymes.
8. Explain the role of microbes infixing nitrogen for higher plants.
9. What are the first law of thermodvnamic ? What are its limitations and justify the need of second law.
10. I low are Gum, latex, rubber, tannin and essential oils are useful to mankind.
Or
Write short notes on anv Tivo of the following
(a) Aminoacid.
(I)) Go enzyme.
(c) Alkaloids.
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