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Assertion: Water pollutants are measured...

Assertion: Water pollutants are measured by BOD.
Reason: If BOD is more, the water is polluted.

A

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

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Water pollutants are commonly measured by their main common denominator, called BOD (Biochemical Oxygen Demand), i.e., the amount of free oxygen absorbed by extraneous substances from water. If water is polluted, it will consume more oxygen, thereby enhancing the BOD of water.
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