Engineering Questions with Answers - Multiple Choice Questions

Food Engineering MCQ’s – Food Preservation-2

1 - Question

Statement 1: The stomach of a goat or a sheep has an enzyme called rennin which is used to make cottage/curd cheese.
Statement 2: Certain sea-foods such as shrimps and lobsters can destroy vitamin B-12 in the body if eaten raw due to the presence of an enzyme called thiaminase.
a) True, False
b) True, True
c) False, False
d) False, True
View Answer Answer: b
Explanation: The stomach of a goat or a sheep has an enzyme called rennin which is used to make cottage/curd cheese. Certain sea-foods such as shrimps and lobsters can destroy vitamin B-12 in the body if eaten raw due to the presence of an enzyme called thiaminase.



2 - Question

Bacteria and yeast can _____
a) Grow with or without air
b) Need humid/warm conditions to grow
c) Need more moisture than molds
d) All the mentioned statements can be used to fill the blanks
View Answer Answer: d
Explanation: Bacteria and yeast can grow with or without air. They need humid/warm conditions to grow. They need more moisture than molds.



3 - Question

Which of the following fact is correct with respect to the food preservation industry?
a) Majority of high quality foods in the world are the highly perishable food items
b) More people with more than adequate standard of living exist and hence the demand for safe preserved food is growing
c) Food preservation market is going to boom as more people are shifting to areas where there is more industrial growth and hence they expect a better standard of living which includes safer food
d) All of the mentioned
View Answer Answer: d
Explanation: All of the mentioned facts are correct with respect to the food preservation industry.



4 - Question

Statement 1: Shelf stable foods are considered non-perishable at room temperatures.
Statement 2: Protected from light also includes food items that are wrapped in an aluminium foil.
a) True, False
b) True, True
c) False, False
d) False, True
View Answer Answer: b
Explanation: Shelf stable foods are considered non-perishable at room temperatures. Protected from light also includes food items that are wrapped in an aluminium foil.



5 - Question

Dry storage means at a temperature about _____ and humidity below _____
a) 20, 50%
b) 100, 50%
c) 20, 50-100%
d) 100, 50-100%
View Answer Answer: a
Explanation: Dry storage means at a temperature about 20 and humidity below 50%.



6 - Question

With respect to the temperature of storage, the order for following methods of storage is as follows cool storage > refrigerated storage > freezer storage.
a) True
b) False
View Answer Answer: a
Explanation: Cool storage is at a higher temperature than refrigerated storage than freezer storage.



7 - Question

As a thumb rule in the food industry, reducing the temperature of storage by 10degC increases the life of food item by twice and increasing by 10degC reduces by half.
a) True
b) False
View Answer Answer: a
Explanation: As a thumb rule in the food industry, reducing the temperature of storage by 10degC increases the life of food item by twice and increasing by 10degC reduces by half.



8 - Question

Shelf life is the period between processing to retail purchase to consuming of the food product.
a) True
b) False
View Answer Answer: a
Explanation: Shelf life is the period between processing to retail purchase to consuming of the food product.



9 - Question

Animal muscles have water as the majority of the content but the aim of humans is to extract the protein out of it and consume it.
a) True
b) False
View Answer Answer: a
Explanation: Animal muscles have water as the majority of the content but the aim of humans is to extract the protein out of it and consume it.



10 - Question

Statement 1: Shellfish are consumed by local people.
Statement 2: Polished rice is just as nutritious as unpolished rice.
a) True, False
b) True, True
c) False, False
d) False, True
View Answer Answer: a
Explanation: Shellfish are consumed by local people as they’re a good source of protein. Polished rice is NOT as nutritious as unpolished rice. It loses certain nutrients in the polishing process

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