NEET Biology question
Statement 1: The atmospheric concentration of carbon dioxide at which photosynthesis just compensates for respiration is referred to as the carbon dioxide compensation point. Statement 2: The carbon dioxide compensation point is reached when the carbon dioxide uptake is less than that generated through respiration, because the level of carbon dioxide in the atmosphere is already more than what is required to reach the compensation point.
Solution
Statement 1 correctly defines the CO2 compensation point as the ambient CO2 level at which the rate of photosynthetic CO2 fixation exactly balances the rate of CO2 release by respiration. Statement 2 is not a valid explanation: the compensation point
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