LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ZOOLOGY
SIXTH SEMESTER – APRIL 2007
ZO 6600 – ENVIRONMENTAL MGMT. AND ECOLOGICAL METHODS
Date & Time : 16.04.2007/9.00-12.00 Dept. No.
Part A
(Answer all)
1
2
3
4
5
6
7
8
9
10
Part B
Part C
Comment on “biological magnification”.
Define half life with examples
Write a note on “elutriation”.
Differentiate exhaustible energy from inexhaustible energy
What is ozone hole?
Comment on Freons.
Write a note on bioconcentration.
Comment on radioactive fallout.
Write a note on noise pollution.
What is Breader’s equation?
4 X 10 = 40
Bring out the ecological effects of radioactive pollution
Describe the ill effects of air pollution
Explain sampling programme on vertebrate hosts?
Bring out the factors affecting the size of relative estimates
Bring out the ill effects of contamination of water
Describe how population estimation is done for eggs and immobile animals
(Answer any two)
17
18
19
20
Max. 100 Marks
10 X 2 = 20
(Answer any four)
11
12
13
14
15
16
TS 17
2 X 20 = 40
Discuss in detail the behavioral methods of extraction.
Discuss the importance of inexhaustible energy resource
Form an essay on land pollution and its impact
Describe the importance of sustainable development
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