SASTRA University 2008 B.Tech Electronics and Communications Engineering Environmental Studies - Question Paper

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Roll No:____________

ELECTRONICS & COMMUNICATION ENGINEERING
2008 – SHANMUGHA ARTS SCIENCE TECHNOLOGY &RESEARCH ACADEMY [SASTRA] UNIVERSITY
B.TECH DEGREE exam
SUB: ENVIRONMENTAL STUDIES
Time: 3hour
Marks: 100


PART-A ans all the ques.. [20x2=40 MAEKS]

01. Why is environmental awareness necessary?
02. Enlist impacts of deforestation.
03. provide the different sources of fresh water.
04. Enlist the different uses of minerals.
05. Brief the effects of modern agriculture.
06. What is meant by ecology.
07. Distinguish biotic and a biotic factors.
08. What is meant by genetic diversity?
09. describe mutation.
10. What is meant by food chain of an ecosystem.?
11. describe the term air pollution.
12. What is meant by an aerosol?
13. discuss the term BOD?
14. describe noise pollution.
15. Distinguish potable water and contaminated water.
16. Enlist the impacts of thermal pollution.
17. What is the purpose of Ritcher Scale.?
18. What is decibel?
19. provide the significance of rain water harvesting.
20. Enlist issues of population growth.




PART-B ans all the ques.. [4x15=60MARKS]



21. explain the benefits and over exploitation of forests.
(OR)
22. discuss the advantages and disadvantages of dams or reservoirs.


23. explain the measures to conserve bio diversity.
(OR)
24. discuss the nitrogen cycle and role of a technocrat for sustainable maintenance of it.
(OR)
25. discuss the causes and impacts of air pollution.
(OR)
26. discuss how to achieve sustainable development of nation.


27. explain different urban energy issues.
(OR)
28. What is meant by global warming? discuss its effects on environment.

Earning:   Approval pending.