Bangalore University 2007 B.Com Evironmental Studies - Question Paper

II Semester B. Com/B.B.M/B.H.M. Examination, May/June 2007
(Semester Scheme)
ENVIRONMENTAL STUDIES
(Common to all B.Com/BBM/BHM. second Semester Fresh Students only)

Time : three Hours Max. Marks: 90

Instruction: Draw diagrams wherever necessary.

PART-A

I. ans any ten of the following: (2 x 10=20)

i) elaborate natural resources?
ii) What is shifting cultivation?
iii) What is an aquifer?
iv) elaborate minerals?
v) elaborate the kinds of mining?
vi) What is carrying capacity?
vii) Differentiate renewable and non-renewable energy sources and provide an example of every.
viii) elaborate shelterbelts?
ix) What is a food chain? provide an example?
x) describe Ecological succession?
xi) Differentiate in-situ and ex-situ conservation.
xii) What is Biomagnification? provide an example.

PART-B

2. Write explanatory notes on any five. (5x5=25)

a) Causes and consequences of Deforestation.
b) Solar Energy.
c) Water Logging.
d) Universal energy flow model.
e) Biogeographic habitats of India.
f) Endangered species.
g) Acid rain.

PART-C

ans any 3 ques.. (15x3=45)

3. "Development leads to destruction". Substantiate with special reference to dams.
4. elaborate the agents of soil erosion? Suggest suitable soil conservation practices.
5. a) "India is a Mega-diversity nation". Amplify.
b) elaborate hot spots of Biodiverstiy? Mention the Indian hot spots.

6. a) "Noise is a sinister threat". Substantiate with reference to auditory and non-auditory effects of noise.
b) provide the noise standards recommended by CPCB.

7. "Population, consumerism and waste production are interrelated". Comment.

Earning:   Approval pending.