The process of curd production from milk is known as

A. photosynthesis

B. distillation

C. fermentation

D. sterilization

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

The process of conversion of milk into curd or yoghurt is known as fermentation. Milk consists of a protein called casein and by the chemical reaction between lactic acid bacteria and casein protein, the curd is formed. During the fermentation process, the bacteria use an enzyme to produce energy and form lactose.

Additional information:

Photosynthesis	It is the process by which green plants prepare their own food absorbing carbon dioxide, water, and minerals in the presence of sunlight.
Distillation	It is the process of refining or purifying a liquid by using selective boiling and condensation.
Sterilization	The process in which we eliminate, remove or deactivate all the forms of biological agents like bacteria, viruses and other small microorganisms.