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, 2016
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 different types and various hypothesis put forward to explain Sexual Selection.
2. Give an account of different types of competition found in nature.
3. Describe the role of predation in nature.
4. Give an account of evolution of life history traits.
5. Write notes on any Two of the following:—
Ecological Model
Niche concept
Life table.
Mutualism.
GROUP
6. Describe the impact of temperature on various life processes.
7. Explain how animals are adapted with the charge in environment.
8. Describe the physiology of oxygen deficiency in animals.
9. Give an account of environmental Acts in India.
10. Write notes on any Two of the following:—
Solar energy
Acid Rain
Oxygen toxicity
Tolerance