O-LevelBiologyTransport in Plants5090/12 · May/June 2017 · Q121 Mark

The cut shoot of a plant is placed in a beaker containing a solution of blue dye for one hour, as shown. The stem of the shoot is then cut through at X, and examined under a microscope. In which region of the stem is the blue dye most concentrated?

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✓ Correct answer

D: D

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 2, question 12.

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