MCQ
Synthesis of each molecule of glucose in photosynthesis involves :
  • $18$ molecules of $ATP$
  • B
    $10$ molecules of $ATP$
  • C
    $8$ molecules of $ATP$
  • D
    $6$ molecules of $ATP$

Answer

Correct option: A.
$18$ molecules of $ATP$
a
$18$ ATPs are involved in the formation of $1$ glucose molecule as shown in the reaction below:

$6 \mathrm{CO}_{2}+12 \mathrm{N} A D P H+18 \mathrm{ATP} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+12 \mathrm{NADP}+18 \mathrm{ADP}$

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