Answer: Five.
- A Three
- B Four
- C Five
- D Six
Correct answer: C. Five
Explanation: Ribulose-1,5-bisphosphate (RuBP) is a 5-carbon sugar that accepts CO<sub>2</sub> in the Calvin cycle.
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.