029/22

23.

24.

25.

26.

27.

28.

29.

Which chemical found in smoked fish has carcinogenic effect on humans ?
A) Acenaphtene B) Benzopyrene C) Xylene D) Ascorbic acid

‘More heat needed to be extracted to turn the bulk of the water to ice, in the second
stage of freezing. So the temperature falls in a few degrees only’. This stage is
referred as

A) period of crystallisation B) stage of super cooling
C) period of thermal arrest D) stage of vapour compression

‘Direct conversion between the solid and gaseous phase of water’ is the basic
principle of a given preservation technique. Find out the method.

A) Retorting B) Cryogenic freezing
C) Individual quick freezing D) Freeze drying

Canning has different steps. From the given options pick the one with correct
sequence.

A) exhausting - blanching - seaming - retorting
8) blanching - seaming - exhausting — retorting
C) blanching - exhausting - seaming - retorting
D) exhausting - retorting - blanching - seaming

Which of the following statement is/are correct about quick freezing ?

i. The ice crystals formed are very small.

ii. The ice crystals formed are comparatively large.

iii. Resulting in reduced drip loss.

iv. Damage to the cell is high.

A) only i and iv B) only i and iii C) only ii and iii D) only ii and iv

Salting is a common method for fish preservation. In salting, the basic process that
helps in achieving preservation is

A) De-mineralisation B) Maillard reaction
C) Evaporation D) Osmosis

In ‘irradiation’, different kinds of radiations are used for preservation. In the given
options which has the highest penetrating power ?

A) Alpha B) Beta C) Gamma D) UV

-6-