A-LevelBiologyTransport in plants9700/12 · May/June 2025 · Q281 Mark
The diagram shows some root cells. [Figure 28.1 (diagram of root cells with water pathway indicated)] Which statement is correct for the pathway shown by the arrows?
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.
AWater will be blocked by a band of suberin.
BWater will move through the Casparian strip.
CWater will pass easily through the root endodermis.
DWater will pass through plasmodesmata.
✓ Correct answer
A: Water will be blocked by a band of suberin.
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