KCET · BIOLOGY · STD 11 - 11. Photosynthesis in Higher Plants
In a condensed schematic representation of dark reaction of photosynthesis given below, steps ae indicated by alphabets. Select the option where the alphabets are correctly identified.
- A \(A = CO _2\) fixation, \(B =\) Reduction, \(C =\) Phosphorylation, \(D =\) Regeneration
- B \(A =\) Regeneration, \(B = CO _2\) fixation, \(C =\) Reduction, D = Phosphorylation
- C \(A = CO _2\) fixation, \(B\) = Phosphorylation, \(C\) = Reduction, \(D\) = Regeneration
- D \(A = CO _2\) fixation, \(B =\) Phosphorylation, \(C =\) Regeneration, \(D =\) Reduction
Answer & Solution
Correct Answer
(C) \(A = CO _2\) fixation, \(B\) = Phosphorylation, \(C\) = Reduction, \(D\) = Regeneration
Step-by-step Solution
Detailed explanation
(C) \(A = CO _2\) fixation, \(B\) = Phosphorylation, \(C\) = Reduction, \(D\) = Regeneration,
In the dark reaction (Calvin cycle), CO₂ fixation (A) is followed by phosphorylation (B) where ATP is used, then reduction (C) where NADPH is used, and finally regeneration (D) where RuBP is restored. This sequence accurately reflects the Calvin cycle's steps.
In the dark reaction (Calvin cycle), CO₂ fixation (A) is followed by phosphorylation (B) where ATP is used, then reduction (C) where NADPH is used, and finally regeneration (D) where RuBP is restored. This sequence accurately reflects the Calvin cycle's steps.
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