A) Tomato is a greenhouse crop which can be grown in \[C{{O}_{2}}-\]enriched atmosphere for higher yield
B) Light saturation for\[C{{O}_{2}}\] fixation occurs at 10% of full sunlight
C) Increasing atmospheric \[C{{O}_{2}}\] concentration upto 0.05% can enhance \[C{{O}_{2}}\] fixation rate
D) \[{{C}_{3}}\] plants responds to higher temperatures with enhanced photosynthesis while \[{{C}_{4}}\] plants have much lower temperature optimum
Correct Answer: D
Solution :
In\[{{C}_{3}}\] plants photosynthesis is decreased at higher temperature due to increased photorespiration. \[{{C}_{4}}\]plants have higher temperature optimum because of the presence of pyruvate phosphate dikinase enzyme, which is sensitive to low temperature.
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