Which traditional drink is prepared by fermentation in South India?

Sodium chloride $(NaCl)$ is added during the preparation of cheese because it:

Which of the following bacteria is used for the production of Swiss cheese?

What are the functions of $LAB$?

Which role is played by Lactobacillus in our stomach?

How many of the following statements are correct regarding the process of converting milk into curd?
$I -$ The bacteria responsible for this process are $LAB$.
$II -$ $LAB$ produces acids that coagulate the milk.
$III -$ The protein present in milk is partially digested.
$IV -$ It increases the nutritional quality by increasing the amount of Vitamin $B_{12}$.