O-LevelBiologyTransport in Plants5090/11 · May/June 2011 · Q21 Mark

The sentence describes the uptake of water by a plant. Water moves into the root hairs of a plant by osmosis through a ......1...... permeable cell membrane, ......2...... a water potential gradient. Which words correctly complete gaps 1 and 2?

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Afully down

Bfully up

Cpartially down

Dpartially up

✓ Correct answer

C: partially down

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2011 Paper 1 Variant 1, question 2.

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