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Posted By: krishnateja Member Level: Bronze Posted Date: 15 Mar 2008
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2007 Jawaharlal Nehru Technological University B.E Computer Science ENVIRONMENTAL STUDIES Regular Examinations, Apr/May 2007 Question paper
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Set No. 4
II B.Tech II Semester Regular Examinations, Apr/May 2007
ENVIRONMENTAL STUDIES
( Common to Civil Engineering, Electrical & Electronic Engineering,
Mechanical Engineering, Computer Science & Engineering, Chemical
Engineering, Electronics & Instrumentation Engineering, Bio-Medical
Engineering, Information Technology, Electronics & Control Engineering,
Mechatronics, Computer Science & Systems Engineering, Metallurgy &
Material Technology, Production Engineering, Bio-Technology and
Automobile Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
.....
1. Discussthe importanceofenvironmental studieswith respecttothefollowingstatem
ents.
(a) We live in a world wherein natural resources are limited.
(b) Green spaces and gardens are vital to the psychological and physical health
of city dwellers. [8+8]
2. (a)
What do you understand by biotic and a biotic pouts of nature?
(b) Explain the interaction and interdependencyof these.
[6+10]
3.
(a) Explain the significance of presening balance in various kinds of ecosystems.
Illustrate with examples.
(b) Describe the structure and functions ofan ecosystem.
[8+8]
4. (a)
Why is it necessary to maintain biodiversity?
(b) What are the different services that are contributed in various ways bybiodiv
ersity? [16]
5. (a)
What are the impacts of thermal pollution on global warming ?
(b) Whyis coal based electricity used in the world ?
[10+6]
6. (a)
Explain the concept of sustainable development.
(b) Whatarethe majorobstaclesinthepath of sustainabledevelopmentinIndia?
(c) Explain the paradoxes in the definition of sustainable development. [6+5+5]
7. What are the environmentally related reasons for the occurrence of various types
of cancer? How can these be prevented and controlled? [6+10]
8. Explainthecausesandeffectsof airpollutionbydescribingany urbanor industrial
area that you have studied. [16]
.....
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