NEET Biology NEET PYQ-Excretory System In Animals

  • question_answer
    The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron? [AIPMT (S) 2012]

    A) Ascending limb of loop of Henie

    B) Distal convoluted tubule

    C) Proximal convoluted tubule

    D) Descending limb of loop of Henie

    Correct Answer: C

    Solution :

    [C] From the Bowman's capsule, the glomerular filtrate enters the proximal convoluted tubule (PCT). PCT is surrounded by a network of peritubular capillaries and is the seat of reabsorption. About 75% of glomerular filtrate is normally reabsorbed in PCT before reaching the loop of Henle. The reabsorbed materials include glucose, amino acids, vitamins,   hormones, sodium, potassium, chlorides, phosphates, bicarbonates, most of water and some urea etc.

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