Air pollution questions and answers for quiz:
Carbon monoxide is a major pollutant of
(a) Water
(b) Air
(c) Noise
(d) Soil
Supersonic jets cause pollution by thinning of
(a) Sulfur dioxide layer
(b) Carbon dioxide layer
(c) Ozone layer
(d) None of these
Which one of the following fuels causes minimal air pollution?
(a) Kerosene oil
(d) Hydrogen
(d) Coal
(d) Diesel
Clouds are present in-
(a) troposphere
(b) stratosphere
(c) mesosphere
(d) thermosphere
Global warming is caused due to the____ concentration of CO2 in the air
(a) Decreased
(b) Increased
(c) Both (a) & (b)
(d) None of these
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Generally speaking, the atmosphere in big cities is polluted most by
(a)
(b) Household waste
(c) Automobile exhaust
(d) Pesticide residues
Chernobyl tragedy occurred in
(a) 26th May, 1966
(b) 26th April, 1986
(c) 6th Aug., 1947
(d) 9th May, 1945
Which one of the following gases can deplete the ozone layer in the upper atmosphere?
(a) Ammonia
(b) Methane
(c) Carbon monoxide
(d) Sulfur dioxide
Which of the following pollutes the air of big cities?
(a) Copper
(b) Lead
(c) Chromium
(d) Copper Oxide
Most harmful pollutant is
(a) CO2
(b) SO3
(c) NO2
(d) SO2
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Air is a/an-
(a) element
(b) Compound
(c) mixture
(d) None of these
Pollution is a necessary evil nowadays because of
(a) Advanced industrialization
(b) Urge towards economic growth
(c) Urge towards scientific discoveries
(d) All of the above
Air pollution causing photochemical oxidants production includes
(a) Carbon monoxide, sulfur dioxide
(b) Nitrous oxide, nitric acid fumes, nitric oxide
(c) Ozone, peroxyacetyl nitrate, aldehydes
(d) Oxygen, chlorine, fuming nitric acid
The carbon dioxide content in the air that we exhale is about
(a) 4%
(b) 8%
(c) 12%
(d) 16%
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
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Air pollution effects are usually found on
(a) Leaves
(b) Flowers
(c) Stems
(d) Roots
The cooling agent in a refrigerator:
(a) Oxygen
(b) Nitrogen
(c) Freon
(d) carbon dioxide
Air quality indicator is
(a) Lichen
(b) Moss
(c) Algae
(d) None of these
The major factor in causing global warming is
(a) Increase in oxygen concentration in the atmosphere
(b) Decrease in carbon dioxide concentration in the atmosphere
(c) Increase in carbon dioxide concentration in the atmosphere
(d) Decrease in atmospheric nitrogen
CFC is not recommended to be used in refrigerators because they
(a) Increase temperature
(b) Deplete ozone
(c) Affect the environment
(d) Affect the human body
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The pollutants emitted by jet airplanes in the outer atmosphere, fluorocarbons are known as
(a) Smog
(b) Photochemical oxidants
(c) Aerosols
(d) Loess
In 1984, Bhopal gas tragedy was caused due to leakage of
(a) Sodium monoxide
(b) Sodium thiocyanate
(c) Potassium isocyanate
(d) Methyl isocyanate
Oxides of sulfur and nitrogen are important pollutants of
(a) Air and water
(b) Air
(c) Water
(d) Soil
Which of the following is a primary pollutant in the atmospheric air?
(a) Cl2
(b) SO3
(c) Nitrates
(d) Sulfates
In air pollution, industries are
(a) Line sources
(b) Point sources
(c) Area sources
(d) Diffuse sources
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Which of the following is not a pollutant?
(a) Hydrogen
(b) Carbon dioxide
(c) Sulfur dioxide
(d) Carbon Monoxide
Photochemical smog is related to the pollution of
(a) Soil
(b) Water
(c) Noise
(d) Air
Air pollution is not caused by
(a) Pollen grains
(b) Automobiles
(c) Industries
(d) Hydro-electric power
Which of the following is not an air pollutant ?
(a) Smoke
(b) Carbon Dioxide
(c) Nitrogen Gas
(d) Sulfur Dioxide
How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues?
(a) By changing oxygen into carbon dioxide
(b) By destroying the hemoglobin
(c) By forming a stable compound with hemoglobin
(d) By obstructing the reaction of oxygen with hemoglobin
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The most hazardous metal pollutant of automobile exhaust is
(a) Mercury
(b) Lead
(c) Cadmium
(d) Copper
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
Ozone layer is the part of
(a) ionosphere
(b) stratosphere
(c) troposphere
(d) exosphere
The water boils when :
(a) Saturated vapor pressure of water becomes equal to the atmospheric pressure
(b) Saturated vapor pressure of water becomes less than atmospheric pressure
(c) Saturated vapor pressure of water becomes more than atmospheric pressure
(d) Vapor pressure of water becomes more than atmospheric pressure
Acid rain is caused due to pollution of the atmosphere by
(a) Carbon Dioxide
(b) Methane Gas
(c) Ozone & Carbon Dioxide
(d) Nitrous Oxide & Sulfur Dioxide
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Highest percentage of air consists of
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Argon
Air pollution causes
(a) Global warming
(b) Respiratory problems
(c) Soil erosion
(d) None of these
Green House gas is
(a) Nitrogen
(b) Oxygen
(c) Methane
(d) Carbon dioxide
Disease aggravated by air pollution is:
(a) choler
(b) bronchitis
(c) rheumatism
(d) none of these
The smokeless fuel that can check air pollution is
(a) Petroleum
(b) Kerosene
(c) CNG
(d) Coal
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The industrial separation of oxygen and nitrogen from air is possible, because
(a) Oxygen and nitrogen have different boiling points.
(b) Oxygen supports combustion, while nitrogen does not.
(c) Nitrogen is not reactive, while oxygen is reactive.
(d) None of the above.
What are CFC’s?
(a) Chlorofluorocarbons
(b) Chlorofluorochlorine
(c) Chlorofumecarbons
(d) Chlorofumeborons
Ozone protects the living organisms on the earth from:
(a) Ultraviolet radiations
(b) Infrared radiations
(c) Gamma radiations
(d) None of the above
Health problems related to air pollution includes:
(a) Bronchitis
(b) Asthma
(c) Skin allergy
(d) All the above
