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-XII
(Environmental Biology)
Annual Examination, 2016
Time: 3 Hours. Full Marks: 80
Answer any Five Questions. All questions carry equal marks.
1. Name and describe various soil types of the world.
2. Define Ecosystem. What are various components of a forest Ecosystem?
3. Write short notes on:
Green House effect
Interaction among population.
4. Write short notes on any two of the following:
Ozone depletion Acid rain
Effect of soil pollution Air pollutants
5. What is Environmental Impact Assessment Discuss its importance in relation to
developmental plans of the country.
6. Write short notes on:
Biodegradable and Non-Biodegradable substance
Reasons for conservation of Biodiversity
7. What is sustainable development? Discuss perspectives and strategies of national and
international sustainable development.
8. Describe in detail steps taken for conservation of Biodiversity at Global level.
9. Write short notes on any two of the following:
IUCN and its significance Reasons for depletion of wild life
Biosphere Reserve Threatened categories.
10. Write short notes on any two of the following:
Endemism Kinds of natural disaster
Natural hazard management Bhopal gas tragedy.