Answer: Stroma.
- A Stroma
- B Matrix
- C Cytosol
- D Lumen
Correct answer: A. Stroma
Explanation: The stroma is the colourless ground substance around the grana where the Calvin cycle takes place.
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.