Answer: Photosystem II.
- A Photosystem II
- B Photosystem III
- C Photosystem IV
- D Photosystem V
Correct answer: A. Photosystem II
Explanation: Photosystems I and II work together in the light reactions.
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.