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NEET Biology Excretory Products and their Elimination Question Bank Self Evaluation Test - Excretory Products and their Elimination

  • question_answer
    A single load of insulin is injected into the bloodstream. If the urine flow is constant, which graph best expresses the relationship between urine-insulin concentration and time?

    A)

    B)

    C)

    D)

    Correct Answer: C

    Solution :

    [c] At any given moment, the concentration of insulin in the blood will be approximately equal in all parts of the bloodstream. It follows then, that insulin will disappear from the blood at a constant rate, meaning that a plot of blood concentration versus time will be exponential in nature. The plot of the urine insulin concentration versus time will be the reverse plot.


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