Enumerate the various factors influencing the heating under a microwave. Enlist any four industrial applications of microwaves.

Gels

Enumerate the 3 categories in which food protein sources are divided.

Describe the mechanism of drying technique. Elaborate on the types of drying process used for dehydration of foods.

Fermentation

Food irradiation

Why freezing is easiest and quickest method of food preservation? Explain its different methods briefly.