Figure 13.10 shows the effect of light on the rate of photosynthesis. Based on the
graph, answer the following questions:
(a) At which point/s (A, B or C) in the curve is light a limiting factor?
(b) What could be the limiting factor/s in region A?
(c) What do C and D represent on the curve? Ncert 11 Biology Page No:225
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At point A
http://www.tutionteacher.in/wp-content/uploads/2017/01/11_Biology_12_photosynthesisQ1.png
(b) Light is a limiting factor also, water, temperature, and the concentration of carbon dioxide could also be limiting factors in the region A.
(c) C represents the stage beyond which light is not a limiting factor. D represents the stage beyond which intensity of light has no effect on the rate of photosynthesis.
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