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UPCAT Science practice question 10: The movement of water across a selectively permeable membrane from a region of lower solute concentration to one of higher solute concentration is called

Correct answer

D. osmosis

Osmosis is the passive diffusion of water down its own concentration gradient, which means toward the more concentrated solute side.

The movement of water across a selectively permeable membrane from a region of lower solute concentration to one of higher solute concentration is called

  1. active transport
  2. phagocytosis
  3. filtration
  4. osmosisCorrect

Why D is correct

Osmosis is the passive diffusion of water down its own concentration gradient, which means toward the more concentrated solute side.

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