Category: Pollution Mcqs

A.Grease
B.Asbestos
C.Eichhornia roots
D.ABS micelle
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A.River is polluted
B.River is not polluted
C.River is day
D.None of these
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A.Air pollution
B.Water pollution
C.Noise Pollution
D.Radioactive pollution
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A.Acid rain
B.Smog
C.Both (a)

A.Smoke filters
B.Ringelmann’s charts
C.Horizontal microscopes
D.All of these
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A.Micro-organisms
B.Green vegetation of an area
C.Food crop
D.None of these
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A.World forest day
B.World environment day
C.World red cross day
D.World food day
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A.DDT is a growth retardant
B.Pesticides
C.Minerals
D.Carbon deposit
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A.CO
B.CO2
C.NO2
D.PO4
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