Download JNTUA B.Tech 1-2 R15 2019 Dec Supple 15A01101 Environmental Studies Question Paper

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Code: 15A01101


B.Tech I Year II Semester (R15) Supplementary Examinations December 2019
ENVIRONMENTAL STUDIES
(Common to CE, EEE and CSE)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) Distinguish between renewable and non-renewable resources.
(b) Write any four effects of modern agriculture.
(c) Recall the term ?ecological succession?.
(d) What are biodiversity hot spots? Mention any two hot spots in India.
(e) Identify any four air pollutants and their sources and effects.
(f) Define solid waste management.
(g) Evaluate the objectives of resettlement and rehabilitation of people.
(h) List four objectives for forest conservation act.
(i) Write the consequences of population explosion.
(j) Enumerate the sources of HIV infection.

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 (a) Discuss the effects of timber extraction on forests and tribal people.
(b) Write a brief note on evil effects of mining operation on environment.
OR
3 (a) Examine the causes and consequences of deforestation.
(b) Describe the changes caused by overgrazing.

UNIT ? II

4 (a) Describe the types, characteristic features, structure and function of grassland ecosystem.
(b) Illustrate the cycles in ecosystem.
OR
5 (a) What is biodiversity? Discuss the values and significance of biodiversity.
(b) Write a note on in-situ and ex-situ conservation of biodiversity.

UNIT ? III

6 (a) State how acid rain is formed and give its adverse effect on environment.
(b) List the effects of nuclear pollution.
OR
7 (a) Discuss the control measures of urban and industrial wastes.
(b) What are the effects of cyclones?

UNIT ? IV

8 (a) Discuss the need for rain water harvesting. What are the ways of achieving it?
(b) Summarize the advantages of watershed management.
OR
9 (a) Discuss various measures for wasteland reclamation.
(b) Why do we refer to environment protection act 1986 as an umbrella act?

UNIT ? V

10 (a) Discuss the variation of population among nations.
(b) Write down the various methods of imparting value education.
OR
11 (a) Write explanatory note on women and child welfare.
(b) What are the objectives of remote sensing?
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R15
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