Published by:
CGP EDU Academic Team
Published on: August 27, 2026
The reaction that is responsible for the primary fixation of 
is catalysed by:
Text Solution
Verified by ExpertsThe correct answer is:
C
(c) 
cycle, RuBP carboxylase is used to fix atmospheric 
whereas, in 
plants PEP carboxylase is involved in primary 
fixation. So, both are used in 
fixation but in different cycles. Other options are incorrect because in (A) and (B) option is giving incomplete information and option (D) PGA synthase is not at all involved in 
fixation.
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