Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    Which of the following is the least poisonous nitrogenous waste ?

    A)  Ammonia                          

    B)  Urea

    C)  Uric acid                             

    D)  D-Ammonia and urea

    Correct Answer: C

    Solution :

    There are three main types of nitrogenous wastes : ammonia, urea and uric acid. Ammonia is extremely toxic and a large volume of water is required to maintain the excreted ammonia level lower than the body level. Uric acid is least toxic and requires even less water than urea for elimination.


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