O-LevelBiologyTransport in Plants5090/12 · May/June 2018 · Q111 Mark

The following paragraph describes water uptake by roots. Root hair cells have ......1...... cell walls to allow them to absorb water. Cell cytoplasm has a ......2...... water potential than soil water so water moves by ......3..... from the soil to the root hair cell. Which words correctly complete gaps 1, 2 and 3?

A1: large, 2: larger, 3: diffusion

B1: permeable, 2: higher, 3: diffusion

C1: permeable, 2: lower, 3: osmosis

D1: rigid, 2: higher, 3: active transport

✓ Correct answer

C: 1: permeable, 2: lower, 3: osmosis

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2018 Paper 1 Variant 2, question 11.

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