NEETBiologyPhotosynthesis in Higher PlantsMCQ+4 / −1
Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option.
- AA-Carboxylation, B-Regeneration, C-Reduction
- BA-Reduction, B-Decarboxylation, C-Regeneration
- CA-Carboxylation, B-Reduction, C-Regeneration
- DA-Reduction, B-Carboxylation, C-Regeneration
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Correct answer: C
The calvin cycle proceeds in three stages:
(A) Carboxylation, during which CO$_2$ combines with ribulose-1,5-bisphosphate.
(B) Reduction, during which carbohydrate is formed at the expense of the photochemically made ATP and NADPH.
(C) Regeneration during which the CO$_2$ acceptor ribulose-1,5-bisphosphate is formed again so that the cycle continues.
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