With reference to factors affecting the rate of photosynthesis, which of the following statements are NOT correct? (A) Light saturation for CO2 fixation occurs at 10% of full sunlight (B) Increasing atmospheric CO2 concentration upto 0.05% can enhance CO2 fixation rate (C) C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum (D) Tomato is a greenhouse crop which can be grown in CO2 enriched atmosphere for higher yield.

With reference to factors affecting the rate of photosynthesis, which

1.	With reference to factors affecting the rate of photosynthesis, which of the following statements are NOT correct? (A) Light saturation for CO2 fixation occurs at 10% of full sunlight (B) Increasing atmospheric CO2 concentration upto 0.05% can enhance CO2 fixation rate (C) C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum (D) Tomato is a greenhouse crop which can be grown in CO2 enriched atmosphere for higher yield.
Answer» The correct answer is (C) C₃ plants responds to higher temperatures with enhanced photosynthesis while C₄ plants have much lower temperature optimum.

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