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Biochemical Oxygen Demand (BOD) may not ...

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receving effluents from:

A

domestic sewage

B

dairy inductry

C

petroleum industry

D

sugar industry

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The correct Answer is:
C
Biochemical Oxygen Demand (BOD) is not a good index for checking the pollution levels of water bodies receving effluents from petroleum industry. This is because such effluents contains waste which is non-biodegradable
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