Which of the following is the correct sequence of events in the Calvin cycle? MCQ with Answer and Explanation

Which of the following is the correct sequence of events in the Calvin cycle?
A. Reduction → Carboxylation → Regeneration
B. Carboxylation → Regeneration → Reduction
C. Regeneration → Carboxylation → Reduction
D. Carboxylation → Reduction → Regeneration
Answer: Option D
Solution (By JKSSB Mock Tests)
The Calvin cycle (C3 cycle) consists of three phases: carboxylation (fixation of CO₂ by RuBisCO to 3-PGA), reduction (conversion of 3-PGA to G3P using ATP and NADPH), and regeneration (regeneration of RuBP). This cycle occurs in the stroma of chloroplasts and is the light-independent reaction of photosynthesis.

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