Govt. Exams Sample Papers

Air Pollution MCQ Questions

Air pollution questions and answers for quiz

Air pollution questions and answers for quiz:

Ques. Carbon monoxide is a major pollutant of
(a) Water
(b) Air
(c) Noise
(d) Soil
Ans. (b)

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Ques. Generally speaking, the atmosphere in big cities is polluted most by
(a) Radioactive fall out
(b) Household waste
(c) Automobile exhaust
(d) Pesticide residues
Ans. (c)

Ques. Chernobyl tragedy occured in
(a) 26th May, 1966
(b) 26th April, 1986
(c) 6th Aug., 1947
(d) 9th May, 1945
Ans. (b)

Ques. Which one of the following gases can deplete ozone layer in the upper atmosphere
(a) Ammonia
(b) Methane
(c) Carbon monoxide
(d) Sulphur dioxide
Ans. (b)

Ques. Most harmful pollutant is
(a) CO2
(b) SO3
(c) NO2
(d) SO2
Ans. (d)

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Ques. Air is a/an-
(a) element
(b) Compound
(c) mixture
(d) None of these
Ans. (c)

Ques. Pollution is a necessary evil now a days because of
(a) Advanced industrialisation
(b) Urge towards economic growth
(c) Urge towards scientific discoveries
(d) All of the above
Ans. (d)

Ques. Air pollution causing photochemical oxidants production include
(a) Carbon monoxide, sulphur dioxide
(b) Nitrous oxide, nitric acid fumes, nitric oxide
(c) Ozone, peroxyacetyl nitrate, aldehydes
(d) Oxygen, chlorine, fuming nitric acid
Ans. (c)

Ques. Spraying of D.D.T. on crops produces pollution of
(a) Air only
(b) Air and soil only
(c) Air, soil and water
(d) Air and water only
Ans. (c)

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Ques. Air pollution effects are usually found on
(a) Leaves
(b) Flowers
(c) Stems
(d) Roots
Ans. (a)

Ques. Air quality indicator is
(a) Lichen
(b) Moss
(c) Algae
(d) None of these
Ans. (a)

Ques. The major factor in causing global warming is
(a) Increase in oxygen concentration in atmosphere
(b) Decrease in carbon dioxide concentration in atmosphere
(c) Increase in carbon dioxide concentration in atmosphere
(d) Decrease in atmospheric nitrogen
Ans. (c)

Ques. CFC are not recommended to be used in refrigerators because they
(a) Increase temperature
(b) Deplete ozone
(c) Affect environment
(d) Affect human body
Ans. (b)

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Ques. The pollutants emitted by jet aeroplanes in outer atmosphere flourocarbons are known as
(a) Smog
(b) Photochemical oxidants
(c) Aerosols
(d) Loess
Ans. (c)

Ques. In 1984, Bhopal gas tragedy was caused due to leakage of
(a) Sodium monoxide
(b) Sodium thiocyanate
(c) Potassium isocyanate
(d) Methyl isocyanate
Ans. (d)

Ques. Oxides of sulphur and nitrogen are important pollutants of
(a) Air and water
(b) Air
(c) Water
(d) Soil
Ans. (b)

Ques. In air pollution, industries are
(a) Line sources
(b) Point sources
(c) Area sources
(d) Diffuse sources
Ans. (b)

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Ques. Which of the following is not a pollutant
(a) Hydrogen
(b) Carbon dioxide
(c) Sulphur dioxide
(d) Carbon Monooxide
Ans. (b)

Ques. Photochemical smog is related to the pollution of
(a) Soil
(b) Water
(c) Noise
(d) Air
Ans. (d)

Ques. Air pollution is not caused by
(a) Pollen grains
(b) Automobiles
(c) Industries
(d) Hydro-electric power
Ans. (d)

Ques. How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues
(a) By chaning oxygen into carbon dioxide
(b) By destroying the haemoglobin
(c) By forming a stable compound with haemoglobin
(d) By obstructing the reaction of oxygen with haemoglobin
Ans. (c)

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Ques. Most hazardous metal pollutant of automobile exhaust is
(a) Mercury
(b) Lead
(c) Cadmium
(d) Copper
Ans. (b)

Ques. In India, acid rains are not common due to
(a) less SO2 in air
(b) factories with long chimneys
(c) dust in air
(d) rural areas
Ans. (c)

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Vishal Arora

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