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.

The optimum CO2 concentration for photosynthesis in C4 plants is 0.036 ppm and to that of C3 plants is 0.045 ppm. The optimum CO2 concentration for Rubisco activity is more than that of PEP carboxylase as the KM value of PEP carboxylase is lesser than that of Rubisco.

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.

The optimum CO2 concentration for photosynthesis in C4 plants is 0.036 ppm and to that of C3 plants is 0.045 ppm. The optimum CO2 concentration for Rubisco activity is more than that of PEP carboxylase as the KM value of PEP carboxylase is lesser than that of Rubisco.

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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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Statement A is correct and B is incorrect.

Statements A and B are incorrect.

Statements A and B are correct.

Statement A is incorrect and B is correct.

answer is A.

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Detailed Solution

The optimum CO₂ concentration for photosynthesis in C₄ plants is 0.036 ppm and to that of C₃ plants is 0.045 ppm. The optimum CO₂ concentration for Rubisco activity is more than that of PEP carboxylase as the K_M value of PEP carboxylase is lesser than that of Rubisco.

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