Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

In an investigation, four sucrose solutions were divided from one another by partially permeable membranes. Solution 1: $1.1\,\text{mol dm}^{-3}$ Solution 2: $0.8\,\text{mol dm}^{-3}$ Solution 3: $0.5\,\text{mol dm}^{-3}$ Solution 4: $0.1\,\text{mol dm}^{-3}$ Which option shows the direction in which water moves between the solutions?

  • Afrom 1 and 2 to 3 and 4
  • Bfrom 2, 3 and 4 to 1
  • Cfrom 1 to 3 to 2 and 4
  • Dfrom 1, 2 and 3 to 4

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