A non-proteinaceous enzyme is
lysozyme
ribozyme
ligase
deoxyribonuclease
The correct option is Option 2) ribozyme.
A non-proteinaceous enzyme is an enzyme that does not consist of protein but rather is composed of RNA molecules. These RNA-based enzymes are called ribozymes. Ribozymes can catalyze various biochemical reactions, similar to protein-based enzymes.