Photosynthesis In Higher Plants Question 162
Question: Compensation point is [MP PMT 1990; CPMT 1998, 99; AFMC 2002]
Options:
A) Where there is neither photosynthesis nor respiration
B) When rate of photosynthesis is equal to the rate of respiration
C) When entire food synthesized into photosynthesis remain utilized
D) When there is enough water just to meet the requirements of plant
Show Answer
Answer:
Correct Answer: B
Solution:
Compensation point is existed in morning and evening time.
At this time the rate of photosynthesis (intake of $ CO_2 $ ) and rate of respiration (outcome of $ CO_2 $ ) is equal.
At this point no exchange of $ CO_2 $ is possible through stomata.
The unit is lumen.
BETA
