Question

7. Primary stocks are maintained by
(a) Freeze-drying
(b) Refrigeration
Incubation
(d) None​

Answer 1

Primary stocks are maintained by freeze-drying.

Option (a) is correct.

Explanation:

• The conservation and storage of primary stocks are gaining popularity nowadays.
• The food spoils quickly due to microbial agents and it is very important to store it under hygiene conditions.
• In industries, the food is stored for longer periods for commercialization and consumption.
• Therefore it is managed by storing it through freeze-drying procedures to avoid any inconvenience.