Bangalore University 2008-2nd Sem B.Com ENVIRONMENTAL STUDIES-ester /BBM/BHM, - Question Paper

II Semester B.Com/BBM/BHM. Examination, June 2008
(Semester scheme)
(2nd Semester B.Com/BBM/BHM (Freshers and repeaters)
ENVIRONMENTAL STUDIES.

Time: three Hours Max. Marks: 90

Instruction: Draw diagrams wherever necessary.

PART-A

I. ans any ten of the following: (10x2=30)

i) Distinguish ranging from renewable and non-renewable energy resources.
ii) What is salinity?
iii) Distinguish ranging from mining an quarrying.
iv) What are endemic and epidemic diseases?
v) Population explosion is called silent explostion. Why?
vi) What is soil health?
vii) What is background radiation?
viii) What is land degradation?
ix) Name 4 endangered species.
x) What are minerals? provide examples.
xi) What is Bio-degradation?

PART-B

2. Write explanatory notes on 5 of the following: (5x5=25)

a) Discuss the causes of Air pollution? Comment on the measures to control air pollution.
b) Write and discuss the environmental significance of Water Act.
c) Write about wasteland reclamation.
d) Explain ecological pyramids.
e) Discuss about world food issues.
f) Discuss population explosion and its causes.
g) Explain the ecosystem diversity.

PART-C

ans any 3 of the following: (3x5=15)

3. discuss about In-Situ and ex-sity conservation of bio-diversity?
4. explain the causes and effects of solid waste. Add a note on management of solid waste.
5. explain the role of individual in prevention of pollution.
6. explain causes and effects of Noise pollution? Add a note on its control.
7. explain the disaster management strategies?

Earning:   Approval pending.