O-LevelBiologyCell Biology5090/12 · Oct/Nov 2023 · Q31 Mark
The diagram shows an experiment. [Figure 3.1] Why has the starch suspension changed colour?
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.
AIodine has diffused in through the membrane.
BIodine has diffused out through the membrane.
CStarch has diffused in through the membrane.
DStarch has diffused out through the membrane.
✓ Correct answer
A: Iodine has diffused in through the membrane.
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