Anna University Coimbatore 2011 B.E Computer Science and Engineering Environmental science and engineering - university paper

MAY 2011Sixth Semester
Petroleum Engineering
GE 2021 — ENVIRONMENTAL SCIENCE AND
ENGINEERING
[Common to 5th Semester – Aeronautical
Engineering, Automobile
Engineering, Electronics and CommunicationEngineering, MechanicalEngineering, Production Engineering – FourthSemester Biomedical EngineeringThird Semester – Computer Science and Engineering, Civil Engineering and info Technology]
(Regulation 2008)Time : 3 hours
Maximum : 100 marks
ans ALL ques.
PART A — (10 × two = 20 marks)
1. describe environment and ecosystems.
2. What is the major significance of biodiversity?
3. elaborate the general causes of air pollution?
4. describe recycling.
5. What is meant by green house effect?
6. describe the terms
(a) COD,
(b) BOD,
(c) toxicity
7. How to overcome global warming in India.
8. elaborate the air pollution and prevention control acts
in India and
mention at lowest four?
9. describe population momentum.
10. What is environmental resistance?
PART B — (5 × 16 = 80 marks)
11. (a) discuss the structure and functions of the
following
(i) Forest eco systems
(ii) Grass land eco systems
(iii) Desert eco systems
(iv) Aquatic eco systems.
Or
(b) explain the biodiversity at global, national and local
levels.
12. (a) discuss the control and prevention measures of
wastes in your area.
Or
(b) Write about 1 of the industrial waste water
treatment techniques,
with a neat schematic diagram.
13. (a) elaborate the natural resources availability in India
and explain any
two of them.
Or
(b) explain the world food issues in detail and how
does it affects
other resources.
14. (a) Write short notes on
(i) Role of NGO
(ii) Acid rain
(iii) Ozone layer depletion
(iv) Water conservation
Or
(b) (i) discuss in brief about the Indian pollution
regulations.
(ii) define the functions of state board and central
board
according to pollution Control.
15. (a) The world's population in 10,000 years ago has
been estimated at
about five million. What exponential rate of growth would
have resulted
in the population in 1850, which is estimated to have
been one billion?
Had that rate continued, what would be the population in
the year
2010?
Or
(b) explain the role of info technology in
environment and
human health.

Earning:   Approval pending.