Question

coliform bacteria is present in ganga river due to which reason

Answer 1

Answer:

coliform is the bacteria which is present in our stomach. It is a useful bacteria. It comes out in our excreata. Il coliforms are present in ganga river it means human excreata is also present in it.

Its presence also indicates that in that water body other diseases causing bacteria are also present.

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Answer 2

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it is present in urine.

human being are throwing untreated sewage in river so that it is reaching to ganga river