Environmental Studies Paper-5

Paper – 5

 Environmental Studies (Qualifying Paper) 

Compulsory Course on Environmental Studies for Undergraduates of University of Delhi [One Semester]

This question paper contains 4+2 printed pages]

S.No. of Question Paper: 1541

Unique Paper Code        : ES2014

Name of the Paper         : Environmental Studies

Name of the Course       : Undergraduate Course [Compulsory and Qualifying]

Semester                          : II

Duration: 3 Hours | Maximum Marks: 75

(Write your Roll No. on the top immediately on receipt of this question paper)

Note: – Answers may be written either in English or in Hindi; but the same medium should be used throughout the paper.

Attempt any Five questions.

All questions carry equal marks.

1.       (a) Fill in the Blanks

5X1=5

      (i) Ozone layer depletion is caused by ___________.

      (ii) Each link in a Food Chain is called ____________.

      (iii) World Environment Day is observed on ________ every year.
      (iv) __________ region is a biodiversity hotspot in India.

      (v) ___________ is a non – renewable source of energy.

(b) Explain any five of the following:

5X2=10

                     i.)            Food Web

                    ii.)            Soil erosion

                   iii.)            Poaching

                   iv.)            Eutrophication

                    v.)            Sustainable development

                   vi.)            Ecosystem

                  vii.)            Global warming

2.       Write a short paragraph on the any three  of the following :

3X5=15

        i.)             Aquatic Ecosystems

       ii.)             Wind energy

    i iii.)             India as a mega – diversity nation

       iv.)            Noise pollution and human health

        v.)            Multi – disciplinary nature of Environmental Studies.

3.       (a) Describe any five services we obtain from our planet’s biodiversity.

5

(b) What are the major threats to the forest of India?

5

(c) What are grasslands? Why should they be conserved?

5

4.       (a) What is air pollution? Differentiate between primary and secondary pollutants. How does air pollution impact humans and plants?

2+3+5

(b) Discuss the reasons for depletion of water table in Delhi. What measures should be taken to remedy this problem?

2+3

5.       (a) Differentiate between ex situ and in situ conservation.

5

(b) What are biosphere reserves? Name any two biosphere reserves of India and explain how these help in the conservation of biological diversity?

10

6.       (a) What are alternate sources of Energy? Give examples. Why is it important to develop alternate sources of energy?

5

       (b) Critically evaluate the use of nuclear energy with reference to environment and human health               giving suitable examples.

10

7.       (a) How do indigenous communities and their traditional practices contribute towards conservation of natural resources?

5

      (b) Evaluate the role of various environment related laws of India in environmental conservation.

10

8.       (a) “Social and electronic media are playing a significant role in generating environmental awareness and education.” Comment.

8

       (b) Do the gains from major development projects outweigh the losses due to displacement of people? Comment.                      7