Year: 2017
Topic: Photosynthesis in Higher Plants
Time :
1.
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?
(1). Tomato is a greenhouse crop which can be grown in CO
2
-enriched atmosphere for higher yield.
(2). Light saturation for CO
2
fixation occurs at 10% of full sunlight.
(3). Increasing atmospheric CO
2
concentration upto 0.05% can enhance CO
2
fixation rate.
(4). C
3
plants responds to higher temperatures with enhanced photosynthesis while C
4
plants have much lower temperature optimum.