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-I
PAPER-I
(Biodiversity of Plant and Diversity of Algae)
Annual Examination, 2018
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. Describe ecosystem. What are its components
2. Explain various important factors responsible for the decline of Biodiversity.
3. What are important attributes made at global level to conserve Biodiversity
4. What are recent practices adopted to utilize Biodiversity for sustainable use
5. Write short notes on any Two of the following
Method of calculation of productivity in an Ecosystem
National park and its use
Oxygen cycle
Natural resources
GROUP
6. Describe post fertilization changes as found in Batrachospermun.
7. How different groups of Algae are classified on the basis of pigments they contain. What are
their types
8. Give an account of range of thallus organization in members of Chlorophyceae.
9. Write short notes on any Four of the following
Role of Nostoc as Nitrogen fixer Source of Agar-Agar
Aplanospores Macrandrous species of Oedogonium
Kelp Akinete
10. What is Isomorphic alternation of generation Explain in context to life cycle of Ectocarpus.