Adherent mucoid alkaline substance covering the inner lining of stomach is to : (a)digest starch (b) act against bacteria (c)prevent the action of pepsin of mucosa (d)prevent viral Infection
Option C) The continuous adherent mucus layer is also a barrier to luminal pepsin, thereby protecting the underlying mucosa from proteolytic digestion. The primary function of the adherent mucus gel layer is a structural one to create a stable, unstirred layer to support surface neutralization of acid and act as a protective physical barrier against luminal pepsin.