Biology for IGCSE & O level - Plant Nutrition (Section 1 - No. 44)
What is the relationship between the rate of photosynthesis and light intensity?
As light intensity increases, the rate decreases.
As light intensity decreases, the rate increases.
As light intensity increases, the rate increases up to a point.
Light intensity has no effect on the rate of photosynthesis.
Explanation
The rate of photosynthesis increases with light intensity until another factor becomes limiting.
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