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NDA 2019 GAT · General Knowledge · Cell Biology and Classification · easy

When raisins are soaked in water, they swell up because of

Single correct option

When raisins are soaked in water, they swell up because of
  1. A. osmosis
  2. B. diffusion of solutes outwards
  3. C. evaporation
  4. D. transpiration
Show answer and solution

Answer: (A) osmosis

Raisins contain a concentrated sugar solution inside a semipermeable skin. Water moves in from the surroundings by osmosis, from low solute to high solute concentration, and the raisins swell.
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Original question written in the NDA 2019 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake