Pondicherry University 2007 B.Tech s, il/ , Environmental science - Question Paper

ans ALL ques. CHOOSING 1 ques. FROM every UNIT:

1.(a) explain the effects of pollution on human beings, animals and plants.(8)
(b) discuss the various kinds of pollution.(7)

(or)

2.(a) explain the effects oxides of carbon and oxides of nitrogen as air pollutants.(8)
(b) discuss the reactions of hydrocarbons and particulates in the atmosphere.(7)

3.(a) explain the causes and impacts of greenhouse effect on environment.(8)
(b) elaborate the causes and impacts of ozone layer depletion.(7)

(or)

4.(a) discuss the effects of photochemical smog on environment.(8)
(b) explain the environmental sequences of acid rain and its control.(7)

5.(a) Classify the water pollution.(8)
(b) explain the causes and effects of inorganic and toxic substances in water.(7)

(or)

6.(a) explain the impacts of pesticides pollution.(8)
(b) discuss the causes and effects of radioactive pollutants.(7)

7.(a) discuss various methods of air pollution control.(8)
(b) discuss the methods of analysis for SOx. (7)

(or)

8.(a) explain the significance of Dissolved oxygen and TOC.(8)
(b) What is BOD? How will you determine it? (7)

9.(a) Brief out the major source of noise pollution. (8)
(b) What measures can be taken for the suppression of noise? (7)

(or)

10.(a) discuss the procedure for conducting EIA. (8)
(b) elaborate the objectives of an impact valuation methodology? (7)

Earning:   Approval pending.