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Question
The figure shows the effect of light on the rate of photosynthesis. Based on the graph, answer the following question:
- At which point/s (A, B or C) in the curve is light a limiting factor?
- What could be the limiting factor/s in Region A?
- What do C and D represent on the curve?
Graph of light intensity on the rate of photosynthesis
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Solution
- In regions A and B, light is the limiting factor.
- In the region 'A', light can be a limiting factor.
- C is the region where the rate of photosynthesis is not increased when light intensity is increased. D is the point where some other factors become limiting.
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