Which of the following bacteria is used as an indicator of water pollution?

Coliform bacteria

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Streptococcus bacteria

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Staphylococcus bacteria

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Diplococcus bacteria

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Solution

The correct option is A Coliform bacteria
The presence of coliform bacteria in water indicates the contamination of water with disease causing microorganism. Coliform bacteria can grow in sewage containing water.
Therefore, the correct answer is option A.

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