AIPMT PRELIMS2003Botany-Photosynthesis
AIPMT PRELIMS 2003 Botany C₄ Pathway MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In sugarcane plant ¹⁴CO₂ is fixed in malic acid, in which the enzyme that fixes CO₂ is :-
A
Ribulose biphosphate carboxylase
B
Phosphoenol pyruvic acid carboxylase
C
Ribulose phosphate kinase
D
Fructose phosphatase
Correct Answer
Option B
Detailed Explanation
In C₄ plants like sugarcane, CO₂ is initially fixed into a four-carbon compound by phosphoenol pyruvate carboxylase.
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