Botany-C4 Pathway
NEET Botany C4 Pathway MCQ Question
Type: MCQ-numerical-Medium-Class 11
If one molecule of glucose is produced in the Calvin cycle during the C4 pathway, how many molecules of ATP are used in total during the stages of reduction and regeneration combined?
A
18 ATP
B
12 ATP
C
30 ATP
D
36 ATP
Correct Answer
Option A
Detailed Explanation
The Calvin cycle requires 2 ATP for each CO2 during reduction and 1 ATP for each CO2 during regeneration. For 6 molecules of CO2 to form one glucose, a total of (2+1) * 6 = 18 ATP are used.
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