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ExamsNEETBiology

Osmosis is the movement of solvent particles from a region of low solute concentration to a region of high solute concentration through a selectively permeable membrane. Active absorption involves use of ATP.

  1. Osmosis is a passive process.
  2. Active absorption requires ATP.
  3. Osmosis involves movement of water molecules.
  4. Osmosis occurs through a selectively permeable membrane.

Correct answer: Active absorption requires ATP.

Solution

Active absorption is an energy-requiring process, so it depends on ATP. Osmosis, by contrast, is passive and does not use ATP.

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