A-LevelBiologyTransport in plants9700/12 · Feb/Mar 2017 · Q311 Mark

Which feature of transport in plants is correct for both xylem and phloem?

AIt is passive.

BIt occurs by mass flow.

CIt occurs from source to sink.

DIt occurs only in one direction.

✓ Correct answer

B: It occurs by mass flow.

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Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2017 Paper 1 Variant 2, question 31.

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