The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?
Correct answer: B. Compensation point
- A. Neutral point
- B. Compensation point
- C. Parallel point
- D. Competitive point
Explanation
At the compensation point, the rate of carbon dioxide uptake and oxygen release in photosynthesis equals the rate of respiratory gas exchange, so there is no net gas exchange with the atmosphere. Students may choose neutral point because it sounds equivalent, but compensation point is the established biological term.
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