Published by:
CGP EDU Academic Team
Published on: August 21, 2026
What will happen if tomato or bell pepper plants in a greenhouse are kept under elevated 
conditions?
A
There will be an increase in productivity if 
concentration increases beyond 
.
concentration increases beyond . B
There will be a higher rate of photosynthesis up to 
, beyond which there will not be any further increase.
, beyond which there will not be any further increase. C
Accumulation of 
results in an increase in photosynthesis, thus increasing productivity up to a concentration of 
.
results in an increase in photosynthesis, thus increasing productivity up to a concentration of . D
There will be a constant increase in productivity with respect to increasing 
concentration, without saturation.
concentration, without saturation.
Text Solution
Verified by ExpertsThe correct answer is:
C
The 
plants show saturation at about 
while 
responds to increased 
concentration and saturation is seen only beyond 450 
plants respond to higher 
concentration by showing increased rates of photosynthesis leading to higher productivity has been used for some greenhouse crops such as tomatoes and bell pepper. They are allowed to grow in carbon dioxide enriched atmosphere that leads to higher yields.
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