1. Which of the following is a non-biodegradable pollutant?
a) Organic waste
b) Urea
c) Hg
2. Which one is not a renewable energy source?
a) Geothermal energy
b) Solar energy
c) Fossil Fuel
3. Cauvery Water dispute is between
a) Tamil Nadu and Andhra Pradesh
b) Karnataka and Tamil Nadu
c) Kerala and Tamil Nadu
4. Conference related to control of ozone depleting substances is
a) MontrealProtocol
b) StockholmConference
c) TorontoWorld Conference
5. The allowed thickness of plastic carry bags in the shops is
a) 20 microns
b) 30 microns
c) 40 microns
6. Nitrogen-fixing bacteria are
a) Rhizobium
b) Bacillus
c) Heritiera
7. The water Pollution Prevention and Control Act was introduced in the year
a) 1964
b) 1974
c) 1984
8. The Environment Protection Act was introduced in the year
a) 1985
b) 1986
c) 1984
d) 1990
9. The Air Pollution Control Act was introduced in the year
a) 1981
b) 1983
c) 1984
d) 1985
10. Wildlife Protection Act was introduced in the year
a) 1972
b) 1978
c) 1988
d) 1992
11. Forest Conservation Act was introduced in the year
a) 1986
b) 1980
c) 1982
d) 1989
12. The Indian Fishers Act was introduced in the year
a) 1985
b) 1986
c) 1987
d) 1988
13. The West Bengal Municipal Act was introduced in the year
a) 1990
b) 1992
c) 1993
d) 1994
14. Motor Vehicles Act was introduced in the year
a) 1986
b) 1988
c) 1989
d) 1985
15. The Atomic Energy Act was introduced in the year
a) 1962
b) 1956
c) 1959
d) 1965
16. Average pH value in acid rain is
a) 9.5
b) 5.6
c) 8.5
d) 6.5
17. The average temperature of the earth is
a) 18°C
b) 15°C
c) 20°C
d) 12°C
18. Green house effect is related to
a) Increased growth of green algae
b) Global warming
c) Natality
d) Development of terrace gardens
19. Green house gases include
a) CO2, CFC, CH4and NO2
b) CO2, O2, N2, NO2 and NH3
c) CH4, N2, CO2, and NH3
d) CFC, CO2, NH3and N2
20. Which is not a green house gas?
a) Chloroflurocarbon
b) Methane
c) Carbon dioxide
d) Argon
21. Concentration of green house is increasing due to
a) Deforestation
b) Increased use of refrigerators
c) Increased combustion of coal and petroleum
d) All the above
22. Which gas contributes most to green house effect
a) CFC
b) Freon
c) CO2
d) CH4
23. Which gas of the atmosphere holds up ultraviolet rays
a) O2
b) O3
c) N2
d) CO2
24. Checking of re-radiating heat by atmospheric dust, O3, CO2 and water vapour is
a) Ozone layer effect
b) Solar effect
c) Radioactive effect
d) Green house effect
25. Liberation of H2S/foul smell in tanks, ponds, etc. is due to
a) Anaerobiosis
b) Aerobiosis
c) Psammophytes
d) Biological magnification
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