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Questions  

Which of the following statement is incorrect about photosynthesis?        

a
Increase in incident light beyond a point increases formation chlorophyll and thus increases in photosynthesis
b
At high light intensities, both C3 and C4 plants show increase in the rates of photosynthesis
c
C3 plants respond to higher CO2 concentration by showing increased rates of photosynthesis leading to higher productivity
d
Tropical plants have a higher temperature optimum than the plants adapted to temperate climates.

detailed solution

Correct option is A

Photosynthesis increases only up to certain point of reference with respect to light intensity. After 10% full sunlight, even the light intensity is increased, there is no increase in photosynthetic rate.

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