$LAB$ (Lactic Acid Bacteria) are used to curdle milk by producing:

Choose the correct sentences.
$(i)$ Dosa and Idli are fermented by bacteria, not yeast.
$(ii)$ $Saccharomyces \text{ } cerevisiae$ is a yeast.
$(iii)$ $LAB$ (Lactic Acid Bacteria) increase the nutritional quality of milk by increasing vitamin $B_{12}$.
$(iv)$ Whisky and brandy are fermented beverages produced by distillation.

The dough used for making dosa and idli is fermented by ......... and it appears puffed up due to the production of ......... in it.

The microorganism that converts milk into curd is ..........

Give examples to prove that microbes release gases during metabolism.

What is $LAB$ used for among the following?