Anna University Chennai 2007 B.Com Computer Science CY-1201-ENVIRONMENTAL SCIENCE AND ENGINEERING - Question Paper

B.E/B.TECH. DEGREE EXAMINATION, MAY / JUNE 2007

Third Semester

Civil Engineering

CY 1201 – ENVIRONMENTAL SCIENCE AND ENGINEERING

(Common to Electronics and Communication Engineering, BioMedical
Engineering,
info Technology)

(Common to B.E. (Part Time) 2nd Semester (Regulation 2005)

Time: 3 hours Minimum: 100 Marks

ans ALL ques.

PART A – (10 * two = 20 Marks)

1. discuss deforestation.
2. Mention few nonrenewable
energy sources.
3. What is food chain?
4. describe endangered species.
5. describe air pollution.
6. describe noise pollution.
7. describe the concept of sustainable development.
8. What is acid rain?
9. describe Population equilibrium.
10. discuss total fertility rate.

PART – B ( five * 16 = 80 Marks)

11 (a) (i) elaborate the causes for soil erosion and desertification? discuss in detail.
(8)
(ii) explain the consequences of over drawing surface and ground water.
(8)
Or
(b) Write briefly on:
(1) Bio mass energy. (5)
(2) Geothermal energy (5)
(3) Tidal power (6)
12. (a) (i) What is Bio diversity and discuss the reasons for its decline. (8)
(ii) explain the most important advantages of eco systems. (8)
Or
(b) (i) describe : Produces Consumers and Decomposers.
(ii) explain energy flow into the eco system. (7)
13. (a) Write briefly on
(i) Control measures of water pollution. (8)
(ii) Land disposal of solid waste. (8)

Or
(b) Write briefly on
(i) Flue gas desulfurization (8)
(ii) Particulate Control. (8)
14. (a) (i) explain the agenda for sustainable development. (8)
(ii) Write briefly on nuclear accidents. (8)
Or
(b) Briefly discuss:
(i) Ali (Prevention and control of pollution ) act 1981. (8)
(ii) Ozone layer depletion. (8)
15. (a) Briefly explain:
(i) Maximum sustainable yield in population. (5)
(ii) Logistic growth in population. (5)
(iii) Population momentum. (6)
Or
(b) explain briefly on the subsequent :
(i) Factors influencing family size. (6)
(ii) Family planning. (5)
(iii) AIDS in developing countries. (5)

Earning:   Approval pending.