With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?
A. Light saturation for `CO_(2)` foxation occurs at 10 % of full sunlight
B. Increasing atmspheric `CO_(2)` concentration upto 0.05 % can enhance `CO_(2)` fixation rate
C. `C_(3)` plants respond to higher temperature 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.