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Question
When CO2 used is equal to CO2 released, it is called as
When CO2 used is equal to CO2 released, it is called as
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Solution
The correct option is A Compensation point
The compensation point is the amount of light intensity on the light curve where the rate of photosynthesis exactly matches the rate of respiration. At this point, the uptake of CO2 through photosynthetic pathways is exactly matched to the respiratory release of carbon dioxide, and the uptake of O2 by respiration is exactly matched to the photosynthetic release of oxygen. Thus, option A is correct.
Threshold point is the point at which CO2 is of sufficient intensity to begin to produce an effect. Thus, option B is wrong.
Critical point is the amount of CO2 beyond which there is no longer any difference. Thus, option C is wrong.
The compensation point is the amount of light intensity on the light curve where the rate of photosynthesis exactly matches the rate of respiration. At this point, the uptake of CO2 through photosynthetic pathways is exactly matched to the respiratory release of carbon dioxide, and the uptake of O2 by respiration is exactly matched to the photosynthetic release of oxygen. Thus, option A is correct.
Threshold point is the point at which CO2 is of sufficient intensity to begin to produce an effect. Thus, option B is wrong.
Critical point is the amount of CO2 beyond which there is no longer any difference. Thus, option C is wrong.
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