Biomolecules and Chemistry in Everyday Life - Result Question 20

21. Synthesis of each molecule of glucose in photosynthesis involves

(2013 Main)

(a) $18$ molecules of ATP

(b) $10$ molecules of ATP

(c) $8$ molecules of ATP

(d) $6$ molecules of ATP

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Answer:

Correct Answer: 21. (a)

Solution:

  1. $18$ ATPs are involved in the formation of $1$ glucose molecule as shown in the reaction below :

$6 CO _2+12 NADPH+18 ATP \longrightarrow C _6 H _{12} O _6+12 NADP+18 ADP$