The condition when the filling medium is not sufficient to cover the solid food and the top is left dry is called:

Correct option is A

Correct Answer: (a) Mush
Explanation:
→ “Mush” occurs when insufficient filling medium (brine/syrup/oil) fails to cover solid food inside the can.
→ The exposed portion becomes dry, softens excessively, and develops a mushy texture after processing.
Information Booster:
→ Proper filling medium ensures heat penetration and prevents textural damage.
Additional Information (Other Options):
(b) Retort burn: Due to overheating.
(c) Belly burst: Can swelling.
(d) Freeze burn: Occurs during freezing, not canning.