Biology 5090 · O Level · Diffusion and osmosis

Diffusion and osmosis — practice question

An experiment arranged as shown is used to study osmosis. What changes occur to the level of the liquid in tube X and to the concentration of the salt solution?

  • Aheight of the liquid in tube X decreases; concentration of the salt solution decreases
  • Bheight of the liquid in tube X decreases; concentration of the salt solution increases
  • Cheight of the liquid in tube X increases; concentration of the salt solution decreases
  • Dheight of the liquid in tube X increases; concentration of the salt solution increases

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