O-LevelBiologyCell Biology5090/12 · Oct/Nov 2021 · Q31 Mark

An experiment to investigate osmosis is set up as shown. [Figure 3.1] What happens to the height of the liquid in tube X and the concentration of the salt solution?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Adecreases, decreases

Bdecreases, increases

Cincreases, decreases

Dincreases, increases

✓ Correct answer

C: increases, decreases

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Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 2, question 3.

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