O-LevelBiologyTransport in Plants5090/11 · May/June 2010 · Q101 Mark

Which substances are transported in xylem and in phloem? [Figure 10.1]

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Axylem: amino acids and mineral ions, phloem: amino acids and water

Bxylem: mineral ions and sucrose, phloem: starch and mineral ions

Cxylem: mineral ions and water, phloem: sucrose and water

Dxylem: starch and water, phloem: sucrose and starch

✓ Correct answer

C: xylem: mineral ions and water, phloem: sucrose and water

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2010 Paper 1 Variant 1, question 10.

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