Biology for IGCSE & O level - Plant Nutrition (Section 6 - No. 3)
How does increasing the light intensity affect the rate of photosynthesis if the CO2 concentration and temperature are held constant?
The rate always decreases.
The rate always increases.
The rate increases up to a certain point and then levels off.
The rate remains the same.
Explanation
The rate increases until another factor becomes limiting.
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