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8th Class - Science | Chapter: Pollution of Air and Water MCQs

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Q1) Which gas is the major pollutant of air?

(A) Carbon monoxide

(B) Nitrogen

(D) Propane

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Q2) CFC is

(A) Chloro fluoro carbon

(B) Carbon fluo ro carbon

(D) Carbon fluoro chloro

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Q3) The increase in concentration of which gas is not responsible for Global Warming?

(A) Sulphur dioxide

(B) Nitrogen

(D) Methane

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Q4) The reason for greenhouse effect is

(A) Decrease in quantity of CO2 in atmosphere

(B) Increase in quantity of CO2 in atmosphere

(D) Increase in quantity of oxygen in atmosphere

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Q5) In which year Ganga Action Plan was launched?

(A) 1980

(B) 1984

(D) 1985

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Q6) The gas depleting ozone layer is

(A) Nitrogen

(B) Oxygen

(D) Carbon dioxide

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Q7) What radiations are absorbed by CO2?

(A) Ultrared radiations

(B) Infrared radiations

(D) None of these

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Q8) The greenhouse effect gas is:

(A) CO2

(B) Methane

(D) All of these

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Q9) Which element is present in the exhaust of automobiles?

(A) Lead

(B) Calcium

(D) Magnesium

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Q10) Better fuel is

(A) Petrol

(B) Diesel

(D) CNG

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Q11) The phenomenon of marble cancer is due to

(A) soil particles

(B) fog

(D) acid rain

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Q12) The following gas is not an air pollutant

(A) Carbon dioxide

(B) Oxides of nitrogen

(D) Oxygen

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Q13) The solid or liquid particles dispersed in the air are called

(A) oxides

(B) acids

(D) aerosols

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Q14) The following gas forms acid rain

(A) Carbon dioxide

(B) Ozone

(D) Carbon monoxide

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Q15) The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is

(A) air pollution

(B) soil pollution

(D) noise pollution

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Q16) Which of the following Is not a pollutant unless present in excess:

(A) Nitrogen dioxide

(B) Carbon dioxide

(D) Sulphur dioxide

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Q17) The major causes of air pollution include

(A) burning of coal and petroleum

(B) afforestation

(D) recycling of paper

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Q18) Which of the following is not a greenhouse gas:

(A) Carbon dioxide

(B) Sulphur dioxide

(D) Nitrogen

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Q19) Bhopal tragedy was caused due to

(A) air pollution

(B) emission of poisonous gas

(D) leakage of poisonous gas

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Q20) Addition of harmful and poisonous substances in our environment is called:

(A) Population

(B) Pollution

(D) None of these

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8th Class - Science | Chapter: Pollution of Air and Water MCQs

Q1) Which gas is the major pollutant of air?

Q2) CFC is

Q3) The increase in concentration of which gas is not responsible for Global Warming?

Q4) The reason for greenhouse effect is

Q5) In which year Ganga Action Plan was launched?

Q6) The gas depleting ozone layer is

Q7) What radiations are absorbed by CO2?

Q8) The greenhouse effect gas is:

Q9) Which element is present in the exhaust of automobiles?

Q10) Better fuel is

Q11) The phenomenon of marble cancer is due to

Q12) The following gas is not an air pollutant

Q13) The solid or liquid particles dispersed in the air are called

Q14) The following gas forms acid rain

Q15) The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is

Q16) Which of the following Is not a pollutant unless present in excess:

Q17) The major causes of air pollution include

Q18) Which of the following is not a greenhouse gas:

Q19) Bhopal tragedy was caused due to

Q20) Addition of harmful and poisonous substances in our environment is called:

Subjects (8th Class)

Chapters (Science)