Streptococcus is employed in the manufacturing of

Statement $P$: Baker's yeast is used to make bread.
Statement $Q$: $LAB$ (Lactic Acid Bacteria) increases the quality of vitamin $B_{12}$.

Which of the following are the main benefits of $LAB$?
$I.$ Increase vitamin-$B_{12}$ amount,thus increasing nutrient quality of milk.
$II.$ Checks disease-causing microbes in the stomach.
Choose the correct option.

Which organism is used to ripen Roquefort cheese?

During its formation,bread becomes porous due to the release of carbon dioxide by the action of:

Which traditional drink is prepared by fermentation in South India?