Biology NEET Previous Year Question Paper NEET 2026 Previous Year Question Paper Single Correct MCQ
Published on: August 13, 2026

The enzyme required for carboxylation in the Calvin cycle is:

A
PEP carboxylase
B
RuBP carboxylase - oxygenase
C
Carboxypeptidase
D
Hexokinase

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Text Solution

Verified by Experts
The correct answer is:
B

RuBP carboxylase-oxygenase (RuBisCO): The primary enzyme that fixes into RuBP during the Calvin cycle ( cycle).

PEP carboxylase: Used in and CAM plants for initial fixation.

Carboxypeptidase: A digestive enzyme that breaks down proteins.

Hexokinase: An enzyme used in Glycolysis to phosphorylate glucose.

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