Question

Physical method of fruit juice preservation includes:
(A) Refrigeration
(B) Salt addition
(C) Sugar addition
(D) Pasteurization

• A. (A) and (D) only
• B. (A), (B), and (C) only
• C. (A), (B), (C), and (D)
• D. (B), (C), and (D) only

Answer 1

The Correct Option is A

Correct Answer: (1) (A) and (D) only

The physical methods of fruit juice preservation include refrigeration and pasteurization.

Refrigeration slows down the microbial growth and enzymatic activity, helping to preserve the freshness of the juice for a longer time.

Pasteurization involves heating the juice to a specific temperature for a certain period, killing harmful microorganisms without significantly affecting the flavor or nutritional value of the juice.

Salt and sugar addition are chemical methods of preservation, not physical methods.

Answer 2

Refrigeration and pasteurization are physical methods used to preserve fruit juice by slowing microbial growth and killing harmful pathogens, respectively. Salt and sugar addition are chemical methods.