B.Com-BBM BHM 2nd Sem ENVIRONMENTAL STUDIES(Bangalore University, Bangalore-2008)

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

Time: 3 Hours Max. Marks: 90

Instruction: Draw diagrams wherever necessary.

PART-A

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

i) Distinguish between renewable and non-renewable energy resources.
ii) What is salinity?
iii) Distinguish between 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 four endangered species.
x) What are minerals? Give examples.
xi) What is Bio-degradation?

PART-B

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

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

PART-C

Answer any three of the following: (3x5=15)

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