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Question

The presence of coliform bacteria is an indication that the water is

A
unfit for drinking
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B
unfit for gardening
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C
unfit for bathing
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D
unfit for washing cars
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Solution

The correct option is A unfit for drinking
The presence of coliform bacteria is a clear indication that the water from a particular source is unfit for drinking. Coliform bacteria are seen in the intestine of humans and other vertebrates. Therefore their presence indicates that the water has been contaminated with human/animal waste.

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