3. In which food would you find lactic acid bacteria? Mention some of their useful applications.


Lactic acid bacteria can be found in curd. It is this bacterium that promotes

the formation of milk into curd. The bacterium multiplies and increases its

number, which converts the milk into curd. They also increase the content

of vitamin B12 in curd.

Lactic acid bacteria are also found in our stomach where it keeps a check on

the disease-causing micro-organisms.