Q.

A non-proteinaceous enzyme is:    [2016]

1 Lysozyme  
2 Ribozyme  
3 Ligase  
4 Deoxyribonuclease  

Ans.

(2)

A ribozyme is a ribonucleic acid (RNA) enzyme that catalyses a chemical reaction in a similar way to that of a protein enzyme. These are found in ribosomes and are also called catalytic RNAs.