alleryCalvin cycle (C₃ pathway) occurs in:
AThylakoid
BCytoplasm
CMitochondria
DStroma (matrix of chloroplast)
Answer & Solution
Correct answer: D. Stroma (matrix of chloroplast)
Calvin cycle (light-independent, dark reactions): in stroma.
Uses ATP and NADPH from light reactions to fix CO₂ into organic sugars.
**Three phases:** carboxylation (CO₂ fixation), reduction (sugar formation), regeneration (of RuBP).
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