O-LevelBiologyPlant Nutrition5090/12 · May/June 2020 · Q121 Mark

The photomicrograph shows part of a section through a root. [Figure 12.1] The contents of Y are tested with Benedict's solution and with iodine solution. Which results are expected?

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ABenedict's solution: + iodine solution: +

BBenedict's solution: + iodine solution: -

CBenedict's solution: - iodine solution: +

DBenedict's solution: - iodine solution: -

✓ Correct answer

D: Benedict's solution: - iodine solution: -

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Topic: Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2020 Paper 1 Variant 2, question 12.

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