A-LevelBiologyTransport in plants9700/12 · Oct/Nov 2020 · Q251 Mark

Which two rows are correct for the movement of water from the soil into a root? [Figure 25.1]

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A1: lower solute concentration / higher solute concentration, 2: higher water potential / lower water potential

B1: lower solute concentration / higher solute concentration, 4: lower water potential / higher water potential

C2: higher water potential / lower water potential, 3: higher solute concentration / lower solute concentration

D3: higher solute concentration / lower solute concentration, 4: lower water potential / higher water potential

✓ Correct answer

A: 1: lower solute concentration / higher solute concentration, 2: higher water potential / lower water potential

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Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2020 Paper 1 Variant 2, question 25.

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