O-LevelBiologyCell Biology5090/11 · Oct/Nov 2016 · Q31 Mark

The diagram represents apparatus used to investigate osmosis. [Figure 3.1] Which molecules will move across the partially permeable membrane and which change will occur in the solution level?

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Amolecules: starch, solution level: fall

Bmolecules: starch, solution level: rise

Cmolecules: water, solution level: fall

Dmolecules: water, solution level: rise

✓ Correct answer

D: molecules: water, solution level: rise

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Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 1, question 3.

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