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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    The characteristic that is shared by urea, uric acid and ammonia is/are [A] They are nitrogenous wastes. [B] They all need very large amount of water for excretion. [C] They are all equally toxic. [D] They are produced in the kidneys.

    A)  A and C         

    B)  A and D

    C)  A, C and D      

    D)  A only

    Correct Answer: D

    Solution :

     Urea, uric acid and ammonia all are nitrogenous wastes. Ammonia is highly toxic and highly soluble in water, therefore, requires a larpg amount of water for excretion. Urea is less toxic and less soluble in water than ammonia. Uric acid crystals are non-toxic and almost insoluble in water.


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