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Biochemical oxygen demand (BOD) is a mea...

Biochemical oxygen demand (BOD) is a measure of

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 .

Text Solution

Verified by Experts

The correct Answer is:
B
To measure water pollution, Biological Oxygen Demand or BOD test is made. In this test, amount of oxygen sufficient to degrade waste organic matter by bacteria in a sample is measured . The more oxygen used up by the bacteria to degrade the orgnaic matter in the sample, the greater the BOD would be .
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