Category: Pollution Mcqs

A.Increases oxygenation
B.Decreases turbidity
C.Increases turbidity deoxygenation
D.Increases photosynthesis
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A.Excess CO2
B.Excess CO
C.Chloro-fluoro-carbon
D.Low rainfall
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A.Decreasing O2
B.Reducing photosynthesis
C.Competing with CO2
D.Being toxic to chlorophlasts
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A.High
B.Low
C.Same
D.None of these
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A.Biogas generation
B.Biological oxygen demand
C.Biosynthetic path way
D.Fermentation
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A.Natural balance of our ecological environment
B.Natural gaseous cycle
C.Natural geochemical cycle
D.Natural flora of a place
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A.Industrial wastes poured into water bodies
B.Extent to which water is polluted with organic compounds
C.Amount of carbon monoxide inseparably combined with haemoglobin
D.Amount of oxygen needed by green plants during night
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A.August, 8th
B.August, 9th
C.August, 6th
D.August, 4th
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A.Chlorine
B.Chloramines
C.Phenyl
D.Ozone
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A.Biodegradable pollutant
B.Green house gas
C.Non-degradable pollutant
D.None of the above
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