Question

The graph below shows the effect of light intensity on a plant’s rate of photosynthesis at two different temperatures. Curve A was obtained with the plant at low temperature while curve B was obtained at a higher temperature.
a. What factor(s) was (were) affecting the rate of photosynthesis at each of the regions, 1, 2 and 3, on the graph.
b. Suggest two factors that might have been limiting the rate of photosynthesis at point 4 on curve
Please answer these questions.
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Answer 1

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