Leaf curling is caused by:?
A.SO2
B.O2
C.H2S
D.CO
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B.O2
C.H2S
D.CO
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Category: Pollution Mcqs
The concentration of SO2 in the stmosphere is around:?
A.0.01 ppm
B.0.001 ppm
C.0.5 ppm
D.0.75 ppm
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B.0.001 ppm
C.0.5 ppm
D.0.75 ppm
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If water pollution continues at its present rate, it will eventually:?
A.Make oxygen molecules unavailable to aquatic life
B.Make nitrates unavailable to aquatic life
C.Prevent precipitation
D.Stop the water cycle
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B.Make nitrates unavailable to aquatic life
C.Prevent precipitation
D.Stop the water cycle
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BOD is connected with:?
A.Organic matter
B.Microbes
C.Both (a)
B.Microbes
C.Both (a)
Major pollutant present in the jet plane emission is:?
A.CCI4
B.SO2
C.CO
D.Fluoro-carbon
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B.SO2
C.CO
D.Fluoro-carbon
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Indiscriminate use of fertilizers have lead to:?
A.Air pollution
B.Soil pollution
C.Water pollution
D.All of the above
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B.Soil pollution
C.Water pollution
D.All of the above
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The ‘Earth sumbmit’ was held at:?
A.Geneva
B.Islamabad
C.Sydney
D.Rio-de-Janeiro
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B.Islamabad
C.Sydney
D.Rio-de-Janeiro
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Which of the following is the use of lichens in case of pollution??
A.They treat the polluted water
B.They act as bio-indicators of pollution
C.They promote pollution
D.Lichens are not related with pollution
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B.They act as bio-indicators of pollution
C.They promote pollution
D.Lichens are not related with pollution
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Which important greenhouse gas other than methane is being produced from the agricultural fields??
A.Arsine
B.SO2
C.NH3
D.N2O
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B.SO2
C.NH3
D.N2O
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Sewage drained into water bodies kills fishes because:?
A.It gives off a bad small
B.It removes the food eaten by fishes
C.It increases the competition with fishes for dissolved oxygen
D.Excessive CO2 is added to water
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B.It removes the food eaten by fishes
C.It increases the competition with fishes for dissolved oxygen
D.Excessive CO2 is added to water
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