O-LevelBiologyTransport in Plants5090/11 · May/June 2013 · Q121 Mark

In an experiment to investigate the transport of water, the roots of a plant are placed in water coloured with a dye. The diagrams show sections of the leaf, stem and root. [Figure showing sections of leaf (labelled 1, 2), stem (labelled 3, 4) and root (labelled 5, 6).] Which numbered parts will become stained by the dye as the water is initially absorbed?

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Aleaf: 1, stem: 3, root: 5

Bleaf: 2, stem: 3, root: 6

Cleaf: 1, stem: 4, root: 6

Dleaf: 2, stem: 4, root: 5

✓ Correct answer

C: leaf: 1, stem: 4, root: 6

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2013 Paper 1 Variant 1, question 12.

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