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NEET UG BIOLOGY MCQ: EXCRETORY PRODUCTS AND THEIR ELIMINATION

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Statement I: Reabsorption of water occurs actively in the initial segment of nephron.
Statement II: Tubular secretions help to maintain ionic and acid-base balance of body fluids.

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Correct option: D

Statement II is correct but statement I is incorrect.

Option D is correct because reabsorption of water is mostly passive in the initial segment (PCT), and tubular secretions do help maintain ionic and acid-base balance.

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