A-LevelBiologyTransport in plants9700/12 · Feb/Mar 2016 · Q261 Mark
The diagram shows the results of an experiment using leaves with the same surface area from two different species of plant. Each leaf was left on a balance in daylight in a closed room and its mass recorded at 1 hour intervals. Which features of leaf 2 could explain these results? 1 more stomata per unit area of leaf 2 fewer trichomes (hairs) on the leaf 3 sunken stomata 4 thinner cuticle [Figure 26.1]
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.
A1, 2 and 3
B1, 2 and 4
C1 and 4 only
D2 and 3 only
✓ Correct answer
B: 1, 2 and 4
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