What is the full form of $LAB$ in biology?

In which century did the industrial processing of milk begin?

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.

Bacteria cannot be seen with the naked eyes,but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes under a microscope,which sample would you carry and why?

Which process is used to obtain products like cheese and yogurt?

The puffed-up appearance of dough is due to the production of ..........