Question 1. Longer exposure to NO2 even in small concentrations may cause disease pertaining to?
(A) Heart
(B) Kidneys
(C) Lungs
(D) Liver
Question 2. The ozone depletion in the stratosphere is chiefly caused by the release of?
(A) Methane
(B) Carbon dioxide
(C) Chlorofluoro carbons
(D) None of the above
Question 3. What is the maximum allowable concentration of fluorides in drinking water?
(A) 1.5mg/L
(B) 2.0 mg/L
(C) 2.5 mg/L
(D) 3.0 mg/L
Question 4. Which among the following is not a primary air pollutant?
(A) PAN
(B) Uspended particulate matter
(C) Volatile organic compounds like hydrocarbons
(D) Oxides of nitrogen
Question 5. The important gaseous pollutants contributing to acid rain are?
(A) S02andNOx
(B) NOxand03
(C) C02 and H2S
(D) None of the above
Question 6. Climate and global air circulations are mainly affected by the properties of?
(A) Water and air
(B) Precipitation
(C) Temperature
(D) None of the above
Question 7. BOD is a measure of?
(A) Biodegradable organic matter
(B) Non-biodegradable organic matter
(C) Both (A) and (B)
(D) None of these
Question 8. Acid rains are more prominent in?
(A) Equally prominent in all
(B) Arid regions
(C) Tropical regions
(D) Temperate regions
Question 9. Green House effect causes _______.
(A) Lowering in temperature of earth
(B) Lowering of acid rain
(C) Increase in rainfall
(D) Rise in temperature of earth
Question 10. Which of the following is not a pollutant causing water pollution?
(A) Inorganic substances
(B) Non-biodegradable organic chemicals
(C) Biodegradable organic waste
(D) None of these
Question 11. During the greenhouse effect, carbon dioxide and water vapours absorb?
(A) UV radiations
(B) Solar radiation
(C) Longwave radiations
(D) Short wave radiations
Question 12. Important sources of land pollution are?
(A) None of the Below
(B) Both B & C
(C) Agricultural Wastes
(D) Industrial Wastes
Question 13. The major greenhouse gas which is responsible for causing about 60% of the greenhouse effect on earth among the following is?
(A) Carbon dioxide
(B) NOx
(C) Methane
(D) Carbon monoxide
Question 14. Which of the following gas is not concerned to greenhouse effect?
(A) Water Vapour
(B) S02
(C) CH4
(D) C02
Question 15. Which of the following is not a solution for Global warming?
(A) Deforestation
(B) Plantation of more Trees
(C) Reducing fossil fuel consumption
(D) None of the above
Question 16. Which of the following is a biodegradable pollutant?
(A) Freons
(B) CFC
(C) Sewage
(D) DDT
Question 17. Contribution of carbon dioxide to global warming from industries?
(A) 0.75
(B) 0.25
(C) 0.24
(D) 0.5
Question 18. Which of the following is not a Green House Gas?
(A) SO2
(B) Water vapour
(C) C02
(D) Ozone
Question 19. Effect of carbon monoxide on blood, causing?
(A) HbCO2
(B) C02Hb
(C) COHb
(D) H2C03
Question 20. The noise is measured in?
(A) Celsius
(B) ppm
(C) Joule
(D) Decibels
Question 21. What global warming means?
(A) Acid Rain
(B) Increase in Earths Body Temperature
(C) Increase in solar radiation
(D) All the above
Question 22. Which of the following is a natural source of Air pollution?
(A) Volcanic eruptions
(B) Storms
(C) Precipitation
(D) Acid rain
Question 23. Domestic sewage is?
(A) Waste water from residential areas
(B) Waste water from industries
(C) Waste water generated from kitchens and bathrooms
(D) None of the above
Question 24. Carbon dioxide reacts with moisture in the atmosphere forming __________.
(A) CaHC03
(B) COHb
(C) H2C03
(D) H2C02
Question 25. Air pollution from automobiles can be controlled by fitting?
(A) Catalytic converter
(B) wet scrubber
(C) Electrostatic precipitator
(D) All the above