Question

In sugarcane plant 14CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is

(a) Fructose phosphatase

(b) Ribulose bisphosphate carboxylase

(c) Phosphoenol pyruvic acid carboxylase

(d) Ribulose phosphate kinase

Answer 1

**Correct option(c) Phosphoenol pyruvic acid carboxylase**

Explanation :

In C4 -plants, CO2 is taken up by Phosphoenol Pyruvate (PEP) and the reaction being catalysed by PEP carboxylase.