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NEET Biology Microbes in Human Welfare Question Bank Self Evaluation Test - Microbes in Human Welfare

  • question_answer
    Sewage or municipal sewer pipes should not be directly left into rivers, streams and other water bodies because:
    (i) It contains human excreta and other organic waste.
    (ii) It contains a number of pathogenic microbes.
    Which of the statement given above is/are correct?

    A) Only (i)                                     

    B) Only (ii)

    C) Both [a] and [b]

    D)                    None of the above

    Correct Answer: C

    Solution :

    [c] Sewage or municipal waste should not be directly passed into rivers, streams and other water bodies because it does not only contain human excreta and other organic waste but a number of pathogenic microbes. It is made less pollution by passing it through Sewage Treatment Plants (STPs).


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