25. Which of the following is/are method(s) for preservation of fruits and similar food stuff?
1. Deep freezing
2. Preservation by salt
3. Preservation by sugar 4. Sun drying
1 and 2 only
1 and 4 only
2, 3 and 4 only
1, 2, 3 and 4
Correct Answer :
1, 2, 3 and 4