Which of the following is a compensation point:

A.\tLeaves respire and utilize O2 and release CO2.

B.\tPhotosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.Correct Answer

C.\tRate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2.

D.\tRate of respiration becomes more than rate of photosynthesis.

Correct Option: B.\tPhotosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.

This question has been verified by the PakPrep community moderation network for competitive examination accuracy.

Subject Overview

Explore thousands of solved past paper MCQs for Biology Mcqs categorized with explanations.