NEET Biology Human Reproduction Question Bank Pollution

  • question_answer
    In B.O.D. test, oxygen plays an important role to

    A) Destroy inorganic matter

    B) Destroy pollution

    C) Destroy waste organic matter

    D) None of these

    Correct Answer: C

    Solution :

    BOD means number of miligrams of  required for decomposition of one litre of waste or waste by decomposing microorganisms (bacteria).


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