Anna University Chennai 2012-3rd Sem B.E Computer Science and Engineering ./B.Tech , /E (ester, )-ENVIRONMENTAL SCIENCE AND ENGINEERING - Question Paper

B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2012.
Third Semester
Computer Science and Engineering
GE 2021/GE 32/HS 1201/10177 GE 001/080100016/080380015-ENVIRONMENTAL SCIENCE AND ENGINEERING
(Regulation 2008)
Time : 3 hours
Maximum: 100 marks
ans all ques..
PART A-(10*2 = 20 marks)
1. describe ecosystem.
2. Write about ecological pyramids.
3. discuss the term photo-chemical smog.
4. Write any 4 sources of water pollution.
5. describe BOD5.
6. What is population pyramid? discuss.
7. Name any 4 Natural Resources.
8. Why value education is important?
9. How nuclear waste disposed safely?
10. List different Clean Air Act Amendments.
PART B-(5*16 = 80 marks)
11. (a) discuss the structure and functions of all Ecosystems.
Or
(b) (i) discuss the conservation of biodiversity in Global level. [Marks 8]
(ii) What is Thermal pollution? discuss. [Marks 8]
12. (a) (i) Write briefly the impact of Air pollution on humans. [Marks 10]
(ii) What is Thermal pollution? discuss. [Marks 6]
Or
(b) discuss the role of an individual in prevention of pollution and Disaster Management with suitable latest case study.
13. (a) (i) What is Deforestation? Write the effects of deforestation. [Marks 8]
(ii) Write briefly the environmental problems caused by mineral resources [Marks 8]
Or
(b) discuss the role of alternate energy sources in pollution control with case studies.
14. (a) describe water Reuse and conservation and discuss the methods adopted to conserve water in industries.
Or
(b) discuss the different prevention and control of pollution Act used in air, water and nuclear waste disposal.
15. (a) discuss the role of info technology in environmental field with suitable case study.
Or
(b) Write short notes on [4*4 = 16 Marks]
(i) Effect of modern agriculture.
(ii) Population growth and explosion.
(iii) Noise pollution.
(iv) Conservation of biodiversity.

Earning:   Approval pending.