A-LevelBiologyCell membranes and transport9700/12 · May/June 2018 · Q171 Mark

Some epidermal cells from a well-watered plant are placed in three solutions which have different water potentials. Which row correctly shows the state of the plant cells in each of the solutions?

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Alower than cells plasmolysed, equal to cells turgid, higher than cells plasmolysed

Blower than cells plasmolysed, equal to cells turgid, higher than cells turgid

Clower than cells turgid, equal to cells plasmolysed, higher than cells plasmolysed

Dlower than cells turgid, equal to cells plasmolysed, higher than cells turgid

✓ Correct answer

B: lower than cells plasmolysed, equal to cells turgid, higher than cells turgid

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Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2018 Paper 1 Variant 2, question 17.

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