Green house effect refers to:?
A.Cooling of earth
B.Traping UV rays
C.Production of cereals
D.warming of earth
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B.Traping UV rays
C.Production of cereals
D.warming of earth
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Category: Pollution Mcqs
The photochemical smog appears:?
A.In the mid day
B.At night
C.In early morning
D.At evening
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B.At night
C.In early morning
D.At evening
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The photochemical smog was first seen in the year:?
A.1933
B.1943
C.1953
D.1963
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B.1943
C.1953
D.1963
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The effect of today’s radioactive fallout will probably be more harmful to children of future generations than to children now living because:?
A.Contamination of milk supply is not cumulative
B.Infants are more susceptible to radiation
C.Susceptibility to radiation increases with age
D.Mutated genes are frequently recessive
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B.Infants are more susceptible to radiation
C.Susceptibility to radiation increases with age
D.Mutated genes are frequently recessive
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A very harmful fibrous component causing pollution an inflicting diseases of lungs in human beings:?
A.Grease
B.Asbestos
C.Eichhornia roots
D.ABS micelle
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B.Asbestos
C.Eichhornia roots
D.ABS micelle
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In a river, if its BOD is high, then:?
A.River is polluted
B.River is not polluted
C.River is day
D.None of these
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B.River is not polluted
C.River is day
D.None of these
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Most severe environmental hazard to mankind is due to:?
A.Air pollution
B.Water pollution
C.Noise Pollution
D.Radioactive pollution
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B.Water pollution
C.Noise Pollution
D.Radioactive pollution
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Examples of regional pollution are:?
A.Acid rain
B.Smog
C.Both (a)
B.Smog
C.Both (a)
The extent of darkness caused due to smoke can be determined by the help of:?
A.Smoke filters
B.Ringelmann’s charts
C.Horizontal microscopes
D.All of these
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B.Ringelmann’s charts
C.Horizontal microscopes
D.All of these
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