Irreversible steps of Glycolysis are catalyzed by:: (A) Hexokinase, Phospho Glycerate Kinase, Pyruvate Kinase, (B) Pyruvate Kinase, Fructose 1,6 Bisphosphatase, Phosphofructokinase, (C) Hexokinase,  Phosphofructokinase,  Pyruvate Kinase, (D) Glucokinase, Pyruvate Kinase, Glyceraldehyde 3 Phosphate Dehydrogenase
Answer is C. Irreversible Steps of Glycolysis

Hexokinase
Phosphofructokinase
Pyruvate Kinase.

Note-All the Kinases are irreversible except 1,3 Bisphosphoglyceratekinase which is reversible.
Haper 30th edition Pg-170