O-LevelBiologyTransport in Plants5090/11 · May/June 2012 · Q111 Mark

The photomicrograph shows part of a section through a stem. [Figure 11.1] The contents of cell X and the contents of cell Y are each tested with Benedict's reagent and with iodine solution. What results are expected?

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A+, +, -, +

B+, -, +, +

C-, +, -, +

D-, -, +, -

✓ Correct answer

D: -, -, +, -

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2012 Paper 1 Variant 1, question 11.

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