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Assertion: The lower the concentration o...

Assertion: The lower the concentration of D.O., the more polluted is the water sample.
Reason : Oxygen is consumed by microbes for the decomposition of organic matter present in water.

A

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

C

If Assertion is correct , but Reason is incorrect.

D

If both Assertion and Reason are incorrect .

Text Solution

Verified by Experts

The correct Answer is:
A
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