Question

Biochemical Oxygen Demand, (BOD) is a measure of organic material present in water. BOD value less than 5 ppm indicates a water sample to be
(a) rich in dissolved oxygen
(b) poor in dissolved oxygen
(c) highly polluted
(d) not suitable for aquatic life

Answer 1

HEY HERE IS YOUR ANSWER

The option (c ) is correct i.e; not suitable for aquatic life.

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