O-LevelBiologyTransport in Plants5090/11 · Oct/Nov 2018 · Q111 Mark

What is least likely to increase the transpiration rate in a plant?

Aincreased humidity

Bincreased sunlight

Cincreased temperature

Dincreased wind speed

✓ Correct answer

A: increased humidity

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

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