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STD 11 - 11. photosynthesis in higher plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 11. photosynthesis in higher plants1 Mark
MCQ
Which of the following is present in Calvin cycle
  • A
    Photophosphorylation
  • B
    Oxidative carboxylation
  • ✓
    Reductive carboxylation
  • D
    Oxidative phosphorylation
✓

Answer

Correct option: C.
Reductive carboxylation
c
(c) Reductive carboxylation start with a $5$, carbon sugar ribulose -$5$ phosphate. $6 $ mol of this sugar react with $6$ mol of $ATP$ (produced in light reaction) to form $6$ mol of $RuBP$ and $6$ mol $ADP$

Ribulose - $5$ phosphate  $\xrightarrow{{{\text{ Phosphopentokinase}}}}$ Ribulose $1-5 $ biphosphate + $6ADP$

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