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Q.

Biochemical oxygen demand refers to

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a

the amount of the carbon dioxide that would be released if all the organic matter in one liter of water were oxidised by bacteria.

b

the amount of the oxygen that would be consumed if all the inorganic matter in one liter of water were oxidised by bacteria.

c

the amount of the oxygen that would be consumed if all the organic matter in one liter of water were oxidised by bacteria.

d

the amount of the carbon dioxide that would be released if all the inorganic matter in one liter of water were oxidised by bacteria.

answer is C.

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Detailed Solution

BOD refers to the amount of the oxygen that would be consumed if all the organic matter in one liter of water were oxidised by bacteria.
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