Question

With the help of which bacteria contamination of ganga is determined? Give logic behind it.

Answer 1

Ganga contains a bacteriophage virus.This virus kill all the bacteria found in Ganga.

Answer 2

Ingestion of water contaminated with the bacteria can lead to pathogenic diseases like typhoid and bacterial gastroenteritis. Besides, aerobic decomposition of organic material can reduce dissolved oxygen levels if discharged into rivers or waterways
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