Incorrect statement is;
- AExcept for plants in shade or in dense forests, light is rarely a limiting factor for photosynthesis.
- BInternal factor of photosynthesis and respiration are dependent on the genetic predisposition and the growth of the plant.
- CAt any point, the rate of the process is determined by the factor available at sub-optimum levels.
- DThe C₃ plants show saturation at about 360 µL L⁻¹ CO₂ while C₄ responds to increased CO₂ concentration and saturation is seen only beyond 450 µL L⁻¹.
✓ Correct answer: D
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