In C3 plant the CO2 compensation point is usually
Equal to C4 plant
Less than C4 plant
More than C4 plant
Equal to photorespiration
Carbon dioxide Compensation point -
The CO2 concentration at which the rate of photosynthesis is equal to the rate of respiration.
- wherein
For C3 plant 50 -100 ppm
For C4 plant 0 -10 ppm
At this point, plants stop absorbing CO2