A-LevelBiologyCell membranes and transport9700/12 · May/June 2015 · Q31 Mark

What is the function of plasmodesmata in plant cells?

Ato act as a barrier to water soluble substances

Bto allow active transport of ions and sucrose between cells

Cto allow the symplastic movement of substances between cells

Dto enable cells to recognise each other

✓ Correct answer

C: to allow the symplastic movement of substances between cells

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Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2015 Paper 1 Variant 2, question 3.

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