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Question : Assertion: BOD indicates the extent of water pollution by organic wastes.Reason: Increase in BOD decreases dissolved oxygen of wastewater.

Answer»

If both Assertion and REASON are true and the Reason is the CORRECT EXPLANATION of the Assertion
If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
If Assertion is true but the Reason is false.
If both Assertion and Reason are false.

Answer :B


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