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Assertion: Indirectly, BOD is measure of organic matter present in the water. Reason: The BOD test measures the rate of uptake of oxygen by micro-organisms in a sample of water.A. If both assertion and reason are trueand the reason is the correct explanation of the assrertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion istrue but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - A
The BOD test measures the rate of uptake of oxygen by micro-organisms in a sample of water, thus indirectly, BOD is a measure present in the water.


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