Biomolecules and Chemistry in Everyday Life - Result Question 58

####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. (c)

Solution:

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

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



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