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Assertion : The amount of BOD in the wat...

Assertion : The amount of BOD in the water is a measure of the amount of organic material in the water .
Reason : Clear water has BOD less than 5 ppm whereas highly polluted water can have BOD value of 17 ppm or more .

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the c orrect explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
b
The amount of oxygen required by bacteria to breakdown the organic matter present in a certain volume of a sample of water is Biological Oxygen Demand (BOD) . Hence , higher the value of BOD, higher is the amount of organic material in the water .
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