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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2001
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Q)

What is B.O.D.


( A ) All of the above
( B ) The amount of $O_2$ utilised by organisms in water
( C ) The total amount of $O_2$ present in water
( D ) The amount of $O_2$ utilized by micro organisms for decomposition

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