EXAM IDEAS

                                                                                                                                                  Proff. R. S. Sengar

1. The atmosphere concentration of CO2 is:

(a) 3.6%              (b) 0.3%

(c) 0.03%             (d) 0.003%

Ans. C

2. Monteralprotocoal deals with:

(a) Reducing green house gas emission

(b) Use of alternatives of CFC

(c) Limiting the use of ODS

(d) Both (a) and (b)

Ans. D

3. In the absence of green house gases, the earth`s temperature would be:

(a) – 10o  C            (b) - 20o C

(c) – 2 o  C            (d) 0o  C

Ans. B

4. World Environment Day coincides with commemoration of:

(a) Kyoto protocol

(b) Ist United Nations conference of Human Environment

(c) Earth summit

(d) Montreal protocol

Ans. B

5. In acid rain, H2SO4 accounts for:

(a) 80%              (b) 70%

(c) 60%               (d) 30%

Ans. B

6. Acid rain is caused by:

(a) CO                (b) SO2

(c) NO2              (d) Both a + b

Ans. D

7. Mottling of teeth is due to the presence of a specific element in drinking water:

(a) Fluorine           (b) Cd

(c) Boron             (d) Hg

Ans. A  

8. ODS stands for:

(a) Ozone depleting substances

(b) Ozone developing soluble

(c) Ozone data set

(d) Ozone data source

Ans. A

9. Green muffler is related to pollution of:

(a) Noise         (b) Water

(c) Soil          (d) Air

Ans. A

10. Ozone hole is:

(a) Hole in ozone layer

(b) Reduction in thickness of ozone in stratosphere

(c) Reduction in thickness of ozone in troposphere

(d) Increased concentration of ozone

Ans. B

11. Ozone day is observed on:

(a) 6 February    (b) 10 December

(c) 16 September (d) 18 June

Ans. C

12. Natural sink of ozone is:

(a) Freon         (b) Sulphur flux

(c) CFC          (d) SO

Ans. A

13.World environment day is:

(a) 8 July        (b) 6 March

(c) 16 September (d) 5th June

Ans. D

14. Indiscriminate use of fertilizers leads to:

(a) Water pollution        

(b) Soil pollution

(c) Air pollution

(d) None of these

Ans. A

15. Country contributing maximum in ozone hole formation is:

(a) Japan             (b) USA

(c) India              (d) Germany

Ans. B

Writer: Dr. R. S. Sengar, Director Training and Placement, Sardar VallabhBhai Patel University of Agreiculture and Technology, Modipuram, Meerut.