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Pasteurization - Food Processing Unit Operations MCQs

Pasteurization MCQ : Here you will find MCQ Questions related to "Pasteurization" in Food Processing Unit Operations. These Pasteurization MCQ Questions Will help you to improve your Food Processing Unit Operations knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.




Question 1

Pasteurization or pasteurisation is a process in which packaged and non-packaged foods (such as milk and fruit juice) are treated with mild heat, usually to?

A. less than 150 °C
B. less than 100 °C
C. less than 120 °C
D. None of the above

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Question 2

Which of the following non-thermal processes that are also used to pasteurize foods?

A. HPP
B. PEF
C. Pascalization
D. All of the above

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Question 3

LTST is a patented method that implies spraying droplets in a chamber heated below the usual pasteurization temperatures. It takes several thousandth of a second to treat liquid products, so the method is also known as the?

A. MST
B. CST
C. TST
D. PST

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Question 4

Medical equipment, notably respiratory and anesthesia equipment, is often disinfected using hot water, as an alternative to chemical disinfection. The temperature is raised to 70°C (158°F) for ?

A. 15 minutes
B. 20 minutes
C. 25 minutes
D. 30 minutes

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Question 5

The process of Pasteurization was discovered by

A. C.F Bennett
B. Sir Louis Pasteur
C. Sir Schuyler Skaats Wheeler
D. Sir Samuel W. Francis

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Question 6

Which of the following is called as cold pasteurization?

A. Freeze drying
B. Heating under low pressure
C. Irradiation
D. Heating at low temperature

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Question 7

Pasteurization processes are fully effective in destroying __________

A. bacillus
B. thermus
C. campylobacter
D. thermoplasma

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Question 8

A pasteurization process operates to ________reductions of the target organism.

A. 2 log
B. 3 log
C. 4 log
D. 5 log

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Question 9

Microwave volumetric heating (MVH) is the newest available pasteurization technology.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 10

Milk is an excellent medium for microbial growth

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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