N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Zoology, Part-I
PAPER-III
(Ecology, Environmental Biology and Toxicology)
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. What is Ecological Model Discuss the fundamentals of ecological model.
2. Discuss nich concept with special reference to its ecological significance.
3. Describe the different categories of mutualism. How mutualism is evolved in nature.
4. Describe different types of life tables with examples.
5. Write notes on any Two of the following:—
Net productive rate
Competition
Pyramid of energy
Predation
GROUP
6. Describe the role of light and pressure on the survival of organism.
7. What do you mean by adaptation Describe different aspects of adaptation.
8. Give an account of environmental acts of India.
9. Discuss the environmental stress on animals.
10. Write notes on any Two of the following:—
Oxygen toxicity
Acclimatisation
Solar energy
Coastal regulation Zone