Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    When malic acid is the respiratory substrate

    A)  the amount of carbon dioxide released is more than the oxygen consumed

    B)  the amount of carbon dioxide released is less than the oxygen consumed

    C)  the amount of carbon dioxide released is equal to oxygen consumed

    D)  carbon dioxide is not released

    Correct Answer: A

    Solution :

    When organic acid such as malic acid\[\left( {{C}_{4}}{{H}_{6}}{{O}_{5}} \right)\]is oxidised in respiration, the value of RQ becomes more than one. It is because organic acids are rich in oxygen and require less oxygen for oxidation but release more carbon dioxide.


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