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O-LevelBiologyTransport in Plants5090/12 · Oct/Nov 2021 · Q121 Mark

What is transpiration?

Aevaporation of water from the stomata
Bevaporation of water at the surface of mesophyll cells and its loss through the stomata
Cthe movement of water through the cuticle
Dthe movement of water in the xylem from the roots to the leaves

✓ Correct answer

B: evaporation of water at the surface of mesophyll cells and its loss through the stomata

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Topic
Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2021 Paper 1 Variant 2, question 12.

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