NEET Sample Paper NEET Sample Test Paper-21

  • question_answer Biochemical Oxygen Demand (BOD) is a measure of

    A)  Industrial wastes poured into water bodies.

    B)  Extent to which water is polluted with organic compounds.

    C)  Amount of carbon monoxide inseparably combined with haemoglobin.

    D)  Amount of oxygen needed by green plants during night.

    Correct Answer: B


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