Answer: C 4 plants.
- A C<sub>4</sub> plants
- B C<sub>3</sub> plants
- C only CAM plants
- D green algae
Correct answer: A. C<sub>4</sub> plants
Explanation: C<sub>4</sub> plants (e.g. maize) first make a 4-carbon acid, reducing photorespiration.
Simplified photosynthesis diagram: light energy, CO2, and H2O enter the leaf and are converted in the chloroplast into glucose and O2.
Concept context
Light reactions, the Calvin cycle, C 3 /C 4 /CAM pathways, photorespiration, and factors affecting the rate of photosynthesis. One of the highest-yield NEET chapters.