Question

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

Answer 1

(2) C
3 plants respond to higher temperatures with
enhanced photosynthesis while C
4 plants have
much lower temperature optimum