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With reference to factors affecting the ...

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?

A

Light saturation for `CO_(2)` fixation occurs at 10% of full sunlight

B

Increasing atmospheric `CO_(2)` concentration upto 0.05% can enhance `CO_(2)` fixation rate

C

`C_(3)` plants responds to higher temperatures with enhanced photosynthesis while `C_(4)` plants have much lower temperature optimum

D

Tomato is a greenhouse crop which can be grown in `CO_(2)` - enriched atmosphere for higher yield

Text Solution

Verified by Experts

The correct Answer is:
C
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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