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Which one of the following is not a bioi...

Which one of the following is not a bioindicator of water pollution

A

Sewage - fungus

B

Sludge - worms

C

Blood - worms

D

Stone - flies

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  3. Which one of the following is not a bioindicator of water pollution

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  6. About 70% of total global carbon is found in

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  15. Biochemical Oxygen Demand (BOD) in a river water:

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