Botany-Calvin Cycle
NEET Botany Calvin Cycle MCQ Question
Type: MCQ-fact-Hard-Class 11
What is the first stable product formed during the CO2 fixation step in the Calvin cycle for C3 plants?
A
3-phosphoglycerate (3PGA)
B
Oxaloacetic acid (OAA)
C
Ribulose bisphosphate (RuBP)
D
Triose phosphate
Correct Answer
Option A
Detailed Explanation
In the Calvin cycle of C3 plants, the first stable product formed from the combination of RuBP and CO2 is 3-phosphoglycerate (3PGA). This is a key reaction in the Calvin pathway.
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