Question : A: As the amount of dissolved oxygen in water decreases, BO – InterviewSolution

1.	Question : A: As the amount of dissolved oxygen in water decreases, BOD increases. R: Microorganisms involved in biodegradation of organic matter requires a lot of dissolved O_(2).
Answer» A. Both ASSERTION and REASON are true and Reason is a correct EXPLANATION of the Assertion. B. Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion C. Assertion is true but Reason is false. D. Assertion is false but Reason is true. Answer :A

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