O-LevelBiologyPlant Nutrition5090/12 · Oct/Nov 2016 · Q121 Mark

The photomicrograph shows part of a section through a root. [Diagram for Q12] The contents of cell X and the contents of cell Y are each tested with Benedict's solution and with iodine solution. Which results are expected?

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+, +, -, -

B+, -, +, -

C-, +, +, +

D-, -, +, -

✓ Correct answer

D: -, -, +, -

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Topic: Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 12.

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