Biology for IGCSE & O level - Plant Nutrition (Section 6 - No. 1)
How does increasing light intensity affect the rate of photosynthesis?
The rate always increases linearly.
The rate increases until it reaches a plateau.
The rate always decreases.
The rate is not affected.
Explanation
Increasing light intensity initially increases the rate of photosynthesis, but eventually, other factors limit the process, and the rate plateaus.
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