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(B) The Calvin cycle consists of three distinct stages:$(i)$ Carboxylation: This is the fixation of $CO_2$ into a stable organic intermediate,$3$-phos

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$I, III$ and $IV$

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(B) The Calvin cycle consists of three distinct stages:$(i)$ Carboxylation: This is the fixation of $CO_2$ into a stable organic intermediate,$3$-phosphoglyceric acid ($3$-$PGA$),catalyzed by the enzyme RuBisCO.$(ii)$ Reduction: This stage involves a series of reactions that lead to the formation of glucose. It utilizes $ATP$ and $NADPH$ generated during the light reactions.$(iii)$ Regeneration: This stage is crucial for the continued operation of the cycle,where the $CO_2$ acceptor molecule,Ribulose $1,5$-bisphosphate $(RuBP)$,is regenerated,which requires $ATP$ for phosphorylation.Therefore,the three stages are Carboxylation $(I)$,Reduction $(III)$,and Regeneration $(IV)$.

Calvin cycle can be described under three stages. These stages are
$I.$ Carboxylation $II.$ Ligation $III.$ Reduction $IV.$ Regeneration
Select the correct option.

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Calvin cycle can be described under three stages. These stages are$I.$ Carboxylation $II.$ Ligation $III.$ Reduction $IV.$ RegenerationSelect the correct option.