The feed prepared for cattle by fermenting carbohydrates present in green plant tissues is known as ...........

The dough used for making dosa and idli is fermented by which organisms,and what causes it to appear puffed up?

Toddy,a traditional drink,is made by fermentation from:

$P$ - Statement: Humans consume milk as a food item.
$Q$ - Statement: Milk is used to produce curd,butter,cheese,sweets,etc.

$A$: Cheese is one of the oldest food items in which microbes are used.
$R$: Different varieties of cheese are known by their characteristic texture,flavour,and taste.

What is the full form of $LAB$?