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 ________

BOD

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ABE

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COD

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Standard amount of oxygen

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Solution

The correct option is A BOD
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)

The amount of BOD in the water is a measure of the amount of organic material in the water, in terms of how much oxygen will be required to break it down biologically.

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