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Assertion: Water with BOD value 17 is considered pollutedReason: The amount of oxygen required by the bacteria to break down the inorganic and organic matter in certain volume of water(a) Both assertion and reason are true, reason is correct explanation of assertion.(b) Both assertion and reason are true, but reason is not a correct explanation the assertion.(c) Assertion is true, but reason is false.(d) Assertion is false, but reason is true. |
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Answer» (c) Assertion is true, but reason is false. The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water, is called Biochemical Oxygen Demand (BOD). Highly polluted water could have a BOD value of 17 ppm or more. |
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