Botany-Calvin Cycle
NEET Botany Calvin Cycle MCQ Question
Type: MCQ-numerical-Hard-Class 11
If 18 molecules of ATP and 12 molecules of NADPH are required for the Calvin cycle to produce one molecule of glucose, how many molecules of ATP and NADPH are needed to fix 3 molecules of CO2?
A
9 ATP and 6 NADPH
B
18 ATP and 12 NADPH
C
54 ATP and 36 NADPH
D
27 ATP and 18 NADPH
Correct Answer
Option A
Detailed Explanation
The Calvin cycle requires 3 ATP and 2 NADPH per CO2 molecule fixed. For 3 CO2 molecules, it would require 3 x 3 = 9 ATP and 3 x 2 = 6 NADPH.
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