O-LevelBiologyTransport in Plants5090/12 · May/June 2014 · Q71 Mark
The diagram shows the arrangement of the tissues of a leaf as seen in cross-section under the microscope. [Figure 7 - Diagram showing a cross-section of a leaf with labels for palisade mesophyll, upper epidermis, xylem, phloem, lower epidermis, and a marked section X-Y] What is the arrangement of the cells in the section X-Y?
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.
ADiagram showing two rectangular, elongated cells arranged vertically.
BDiagram showing two rectangular, elongated cells arranged vertically, with one having an oval structure in its middle.
CDiagram showing multiple oval-shaped cells arranged in two vertical columns.
DDiagram showing irregularly shaped, loosely packed cells with large air spaces.
✓ Correct answer
D: Diagram showing irregularly shaped, loosely packed cells with large air spaces.
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