A-LevelBiologyTransport in plants9700/12 · May/June 2010 · Q61 Mark

The diagrams represent the cross section of the stem, root and leaf of a non-woody dicotyledonous plant. In each section the distribution of the tissues is shown. [Figure 6.1] Which sequence of numbers correctly identifies the distribution of xylem and phloem in the stem, root and leaf?

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Axylem: 1, 3, 5; phloem: 2, 4, 6

Bxylem: 1, 4, 6; phloem: 2, 4, 5

Cxylem: 2, 3, 6; phloem: 1, 3, 5

Dxylem: 2, 4, 5; phloem: 1, 3, 6

✓ Correct answer

D: xylem: 2, 4, 5; phloem: 1, 3, 6

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Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2010 Paper 1 Variant 2, question 6.

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