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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 11. photosynthesis in higher plants4 Marks
MCQ
Synthesis of one molecule of glucose requires
  • ✓
    $6 CO _{2}, 18 ATP$ and $12 NADPH$
  • B
    $6 CO _{2}, 12 ATP$ and $18 NADPH$
  • C
    $6 CO _{2}, 30 ATP$ and $12 NADPH$
  • D
    $6 CO _{2}, 38 ATP$ and $12 NADPH$
✓

Answer

Correct option: A.
$6 CO _{2}, 18 ATP$ and $12 NADPH$
a
In Calvin cycle for every carbon dioxide molecule, $3$ molecules of $ATP$ and $2$ $NADPH$ are required. To make one molecule of glucose $6$ turns of the cycle are required. Thus, $18$ $ATP$ and $12$ $NADPH$ molecules will be required to make one molecule of glucose through Calvin cycle.

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