Question

pH of gastric juice lies between 1 and 3.

a)Which substance is responsible for specific pH of gastric juice?

b)Is it acidic or basic?

c) How is this pH range helpful in digestive system?​

Answer 1

Answer:

1. HCl
2. acidic
3. it provides acidic medium for digestion of fat

Answer 2

Answer:

a) HCl

b) acidic

c) HCl activates the protein digesting enzyme pepsin. It converts the inactive proenzyme pepsinogen into active form pepsin and also kills harmful bacteria in the stomach