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JIPMER Jipmer Medical Solved Paper-2000

  • question_answer
    In a pond if there is too much wastage, then the BOD of pond will:

    A)  remain same                                    

    B)    decrease           

    C)         increase             

    D)         both (b) and (c)

    Correct Answer: C

    Solution :

    BOD is the amount of oxygen required for biological oxidation by micro-organisms in a unit volume of water (at 20°C for 5 days).         Addition of sewage/waste causes increase in microbial activity, depletion in oxygen levels which leads to increase in BOD (Biological Oxygen Demand).


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