Question

Identify the microorganism used for the preparation of dairy products.

• A. $Rhizobium$
• B. Yeast
• C. $Lactobacillus$
• D. $Penicillium$

Answer 1

The correct option is C $Lactobacillus$

$\bullet$ $Lactobacillus$ are the species of bacteria which breakdown sugars (lactose) present in food to lactic acid, in the absence of oxygen. And so they are used during the production of fermented dairy products like curd, cheese, etc.
$\bullet$ $Penicillium$ is a fungi used to manufacture antibiotics.
$\bullet$ Yeasts are single-celled fungi used during the production of bread, cake, etc.
$\bullet$ $Rhizobium$ is a bacteria which is found in root nodules of leguminous crops. They help in nitrogen fixation process.