Question

Cheese and yogurt are products of ______.

• A. pasteurisation
• B. dehydration
• C. fermentation
• D. distillation

Answer 1

The correct option is C fermentation

The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the release of heat, is called as fermentation. It is through the process of fermentation that commercial products like yogurt and cheese are processed, involving the action of specific bacteria like LAB (lactic acid bacteria) for the manufacture of yogurt, and some fungi in the production of different types of cheeses. For example, Blue cheese is produced by Penicillium roqueforti and Penicillium glaucum molds. Distillation is a process of separating the component or substances from a liquid mixture, by selective evaporation and condensation. This distillation process is generally employed for the production of beverages in brewery industries. Pasteurisation is a process of sterilisation through heat treatment or irradiation of products like milk, curd, wine, etc. before consumption by the consumers.