Top 150+ Solved Principles of Food Preservation MCQ Questions Answer

a. should have no harmful effect on man when taken by mouth and preferably should be metabolizable

b. the economy of use, ease of use and reliability of control and detection must exist

c. preferably compatible with other methods of permanent preservation

d. all of the mentioned

a. hydroquinone

b. ascorbic acid

c. vitamin e

d. all of the mentioned

a. the mechanism of synergism depends on the nature of synergist, the antioxidant and the fat

b. synergists do not have antioxidant properties alone

c. when two or more antioxidants combine, a greater effect than a single antioxidant is produced. this is referred to as synergism

d. all of the mentioned

a. calcium

b. magnesium

c. sodium

d. all of the mentioned

a. reduces shrinkage losses

b. reducing water losses due to evaporation

c. thick leads to anaerobic respiration conditions and thin coat offers little control over moisture losses

d. all of the mentioned

a. true

b. false

a. nano porous

b. macroporous

c. microporous

d. non-porous

a. true

b. false

a. multi-target preservation helps to target many factors such as ph, temperature etc and hence helps fight all types of microbes

b. it is desired to reduce the antagonist effects

c. sometimes hurdle technology has antagonist effects

d. all of the mentioned