Published by:
CGP EDU Academic Team
Published on: August 21, 2026
The amount of 
in plant is greater at night than during the day because :
A
The rate of respiration is higher at night.
B
More 
is produced because it is colder during the night.
is produced because it is colder during the night.
C
Photosynthesis during the day uses up some of the 
produced by respiration.
produced by respiration.
D
More glucose is available for respiration during the night
Text Solution
Verified by ExpertsThe correct answer is:
During the daytime, carbon dioxide is utilized by the plants for photosynthesis process. Therefore, oxygen gas is released. But during night time, photosynthesis does not occur due to absence of sunlight and thus carbon dioxide formed by respiration process is not used up so it is released. Therefore, amount of 
is greater in plant at night.
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