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O-LevelBiologyPlant Nutrition5090/11 · Oct/Nov 2019 · Q51 Mark

Which diagram shows substances going into and out of a leaf when glucose is being formed?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A[Diagram A showing carbon dioxide in, oxygen in, water out]
B[Diagram B showing carbon dioxide in, oxygen out, water out]
C[Diagram C showing carbon dioxide out, oxygen in, water out]
D[Diagram D showing carbon dioxide out, oxygen out, water in]

✓ Correct answer

B: [Diagram B showing carbon dioxide in, oxygen out, water out]

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About this question

Topic
Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2019 Paper 1 Variant 1, question 5.

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