O-LevelBiologyTransport in Plants5090/11 · 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? key + = positive result - = negative result

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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: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2020 Paper 1 Variant 1, question 12.

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