Biology for IGCSE & O level - Plant Nutrition (Section 3 - No. 25)
How does temperature affect the rate of photosynthesis?
The rate increases with increasing temperature.
The rate decreases with increasing temperature.
The rate increases up to an optimum temperature, then decreases.
Temperature has no effect on the rate.
Explanation
Photosynthesis rate increases with temperature up to the optimum, then decreases as enzymes denature.
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