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Question

If BOD of river is high, it means that:

A
The river is not polluted
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B
The river is very polluted
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C
The river gets less light
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D
The temperature is low
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Solution

The correct option is B The river is very polluted
BOD stands for Biochemical Oxygen Demand. A high value indicates the presence of large amounts of organic waste and microorganisms in the water body.

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