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O-LevelBiologyTransport in Plants5090/12 · May/June 2023 · Q91 Mark

Root hairs take in water and ions from the soil. Which table shows the correct concentrations of water and ions in the root hair?

Asubstance: water, concentration in root hair: lower than the soil; substance: ions, concentration in root hair: higher than the soil
Bsubstance: water, concentration in root hair: higher than the soil; substance: ions, concentration in root hair: higher than the soil
Csubstance: water, concentration in root hair: higher than the soil; substance: ions, concentration in root hair: lower than the soil
Dsubstance: water, concentration in root hair: lower than the soil; substance: ions, concentration in root hair: lower than the soil

✓ Correct answer

A: substance: water, concentration in root hair: lower than the soil; substance: ions, concentration in root hair: higher than the soil

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About this question

Topic
Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2023 Paper 1 Variant 2, question 9.

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