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The major limiting factor for photosynthesis is
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Correct option is A
The CO2 concentration in the atmosphere is only 0.03 to 0.04% by volume. But the optimum CO2 concentration for photosynthesis in C3 plants is 0.045% by volume. In C3 plants photosynthesis is limited by CO2 concentration. Only during cloudy days and plants growing in shades, light is the limiting factor.Similar Questions
Statement A: The optimum CO2 concentration for photosynthesis in C4 plants is lower than C3 plants.
Statement B: The optimum CO2 concentration for Rubisco activity for carboxylation is lower than that to PEP carboxylase activity.
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