Jawaharlal Nehru Technological University Hyderabad 2007 B.E Computer Science ENVIRONMENTAL SCIENCES SET NO 4 - Question Paper

Code No: R05220105 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, info Technology, Electronics & Control Engineering,
Mechatronics, Computer Science & Systems Engineering, Metallurgy &
Material Technology, Production Engineering, Bio-Technology and
Automobile Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. explain the importance of environmental studies with respect to the subsequent state-
ments.
(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) discuss the interaction and interdependency of these. [6+10]
3. (a) discuss the significance of presening balance in different types of ecosystems.
Illustrate with examples.
(b) define the structure and functions of an ecosystem. [8+8]
4. (a) Why is it necessary to maintain biodiversity?
(b) elaborate the various services that are contributed in different ways by biodi-
versity? [16]
5. (a) elaborate the impacts of thermal pollution on global warming ?
(b) Why is coal based electricity used in the world ? [10+6]
6. (a) discuss the concept of sustainable development.
(b) elaborate the major obstacles in the path of sustainable development in India?
(c) discuss the paradoxes in the definition of sustainable development. [6+5+5]
7. elaborate the environmentally related reasons for the occurrence of different kinds
of cancer? How can these be prevented and controlled? [6+10]
8. discuss the causes and effects of air pollution by describing any urban or industrial
area that you have learned. [16]
? ? ? ? ?
1 of 1

Earning:   Approval pending.