- A thylakoid membranes
- B the fluid stroma
- C the cell cytoplasm
- D the cell nucleus
Correct answer: A. thylakoid membranes
Explanation: The light reactions occur on the thylakoid membranes of the chloroplast.
Concept context
Light reactions, the Calvin cycle, C3/C4/CAM pathways, photorespiration, and factors affecting the rate of photosynthesis. One of the highest-yield NEET chapters.