Which enzyme found in saliva is responsible for breaking down bacterial cell walls?

Oral Histology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Oral Histologymedical-mcqs › oral-histology
Published
22 Jul 2019
Last updated
28 May 2026

Browse all Oral Histology MCQs

Choose the correct answer

Explanation

Lysozyme is an enzyme in saliva that targets and breaks down the peptidoglycan layer of bacterial cell walls, leading to cell lysis. Peroxidase, lactoferrin, and hyaluronidase serve different functions and do not cause cell wall degradation.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.