Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
Which among the following is the main function of mucous present in stomach?
1
It provides acidic medium to kill bacteria.
2
It helps in digestion of protein.
3
It protects the lining of stomach.
4
More than one of the above
5
None of the above