The enzyme that is not found in a $C_{3}$ plant is

RuBP Carboxylase

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PEP Carboxylase

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NADP reductase

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ATP synthase

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Solution

The correct option is B PEP Carboxylase
PhosphoEnolPyruvate (PEP) carboxylase is present in the mesophyll cells of the $C_{4}$ plants and catalyse the conversion PEP to OxaloAecetate. (OAA), the first 4C stable compound formed in $C_{4}$ plants formed by the acceptance of atmospheric $C O_{2}$ by PEP in presence of PEP carboxylase.
So, the correct answer is 'PEP Carboxylase'

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Question 12
The enzyme that is not found in a $C_{3}$ plant is
(a) RuBP carboxylase (b) PEP carboxylase
(c) NADP reductase (d) ATP synthase

C_{3}

The reaction which is responsible for the primary fixation of CO₂ is catalysed by

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