Answer:
Option A, Antibacterial enzymes; stomach acid
Explanation:
Bacteria’s which are taken into the stomach through various food item such as yoghurt, curd, and all other fermented food is acted upon by Antibacterial enzymes and stomach acid .
Most of the bacteria’s that are taken into the stomach everyday are killed by the stomach acid as it is a strong acid with a pH less than 2.0
Thus, Option A, is the correct choice of answer
