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 COfixation 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.


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The correct answer is (C) C3 plants responds to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum.