O-LevelBiologyPlant Nutrition5090/11 · Oct/Nov 2018 · Q61 Mark
Which graph shows the effect of temperature on the rate of oxygen released by an aquatic plant when placed in strong light?
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.
A[Graph A showing rate of oxygen release peaking around 30°C and then dropping rapidly]
B[Graph B showing rate of oxygen release increasing, then decreasing, then increasing again]
C[Graph C showing rate of oxygen release decreasing steadily]
D[Graph D showing rate of oxygen release increasing steadily]
✓ Correct answer
A: [Graph A showing rate of oxygen release peaking around 30°C and then dropping rapidly]
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