This set of Food Engineering aptitude tests focuses on “Food Preservation-2”.
1. 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
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. 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
Explanation: Bacteria and yeast can grow with or without air. They need humid/warm conditions to grow. They need more moisture than molds.
3. 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
Explanation: All of the mentioned facts are correct with respect to the food preservation industry.
4. 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
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. 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
Explanation: Dry storage means at a temperature about 20 and humidity below 50%.
6. 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
Explanation: Cool storage is at a higher temperature than refrigerated storage than freezer storage.
7. 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
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. Shelf life is the period between processing to retail purchase to consuming of the food product.
a) True
b) False
View Answer
Explanation: Shelf life is the period between processing to retail purchase to consuming of the food product.
9. 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
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. 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
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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