O-LevelBiologyPlant Nutrition5090/11 · May/June 2023 · Q81 Mark

The diagram shows part of a transverse section through a leaf. What are the main functions of the three labelled regions?

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Aregion 1: photosynthesis, region 2: gas exchange, region 3: transport

Bregion 1: transport, region 2: photosynthesis, region 3: gas exchange

Cregion 1: transport, region 2: gas exchange, region 3: photosynthesis

Dregion 1: gas exchange, region 2: transport, region 3: photosynthesis

✓ Correct answer

C: region 1: transport, region 2: gas exchange, region 3: photosynthesis

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Topic: Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2023 Paper 1 Variant 1, question 8.

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