Category: Pollution Mcqs

A.Shock waves
B.Noise of traffic
C.Noise of siren
D.Unhearable sound
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A.To save the trees from erosion
B.To safeguard the fruits from large labour population
C.To save the trees from poisonous fumes/smoke from the brick chimneys
D.To protect the orchard from the operation of trucks meant for transporting fruits
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A.The development of resistant pest varieties
B.Simplification of food web
C.Reduction in population of useful birds
D.Increase in weed population
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A.The natural geo-chemical cycles
B.The natural balance of our environment
C.The natural flora of a place
D.The natural wildlife of a region
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A.O3 layer
B.SO2 layer
C.O2 Layer
D.CO2 layer
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A.Air only
B.Air and soil only
C.Air, soil and water
D.Air and water only
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A.Radiation hazard
B.Desertification
C.Deforestation
D.Gleization
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A.Global warming
B.Acid rain
C.Greenhouse effect
D.The UV radiations reach the earth
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A.Excess use of fertilizers
B.Addition of wastes on soil
C.Reduction in soil productivity
D.All of these
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A.Phosphate rock only
B.Agricultural fertilizers only
C.Sewage and phosphate rock
D.Sewage and agrcultural fertilizers
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