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NEET Biology Organisms and population Question Bank Ageing and Death

  • question_answer
    In old age there is decrease in amount of urine output and difficulty in micturitions it is due to

    A) Increase in number of nephrons

    B) Increase in glomerular filtration

    C) Decrease in number of nephrons and glomerular filtration

    D) [a] and [b] both

    Correct Answer: C

    Solution :

    The number nephrons in kidneys in old age decreases to 56%, rate of glomerular filtration falls to 69%, so there is decrease in amount of urin output and difficulty in micturition.


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