Question

Explain two ways of food preservation which does not involve the mixing of any preservative.


CLASS 8 SHORT ANS​

Answer 1

Answer:

Drying is the oldest method of food preservation. This method reduces water activity which prevents bacterial growth. Drying reduces weight so foods can be carried easily.

Freezing is keeping prepared food stuffs in cold storages. Potatoes can be stored in dark rooms but potato preparations need to be frozen.