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MED-006

POST GRADUATE DIPLOMA IN ENVIRONMENT AND SUSTAINABLE DEVELOPMENT (PGDESD) Term-End Examination

0133

June, 2014 MED-006 : NATURAL RESOURCE MANAGEMENT : PHYSICAL AND BIOTIC Time : 2 hours

Maximum Marks : 50

Note : Attempt any five questions. Each question carries 10 marks. 1.

(i)

(ii)

(iii)

2. (i)

What is a natural resource ? Give one example each of biotic, abiotic, renewable and non-renewable resources.

5

Why is coal still a major energy resource and what for is it mostly used ?

2

How does over-exploitation affect our resources ?

3

Explain what is meant by the following statement :

4

"Tiger reserves are constituted on a `core-buffer strategy'." (ii) Why cannot saline and alkaline soil be used for cultivation of crops ? MED-006

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6

P.T.O.

3. (i)

Why is there a need for legislation for conservation of biodiversity ?

(ii) Write a short note on IPR, and explain `terminator technology'.

5

What are the differences between rivers and lakes ?

3

(ii) How does ecotourism help in sustainable biodiversity ?

7

What are biopesticides ? Explain with the help of at least three examples.

3

4. (i)

5. (i)

(ii) Differentiate between non-renewable and renewable energy resources. Discuss 3+4 advantages of solar energy. 6.

10 Write short notes on any four of the following : (i) Genetic diversity (ii) Biosafety Act (iii) Ramsar Convention (iv) Aquifers (v) Services provided by forests (vi) Criteria for identification of biodiversity hotspots

MED-006

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