Explore topic-wise MCQs in Food Engineering.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Statement 1: Spores heated in soil directly are more heat resistant than ones which are mixed with sterile soils and then heated.Statement 2: Thermophilic bacteria which form spores in artificial media are more heat resistant than those formed on machinery in canning plants.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
2.

Statement 1: The physical environment in which a spore is grown has minimal affect on its heat resistance.Statement 2: Freezing weakens spores.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
3.

There is an existing relationship between the heat resistance of a vegetative cell and that of the spore formed thereafter.

A. True
B. False
Answer» C.
Discussion
4.

Statement 1: Heat resistance of an organism is designated by the c value.Statement 2: The z value stands for the number of degrees centigrade required for the thermal death time curve to traverse one logarithmic cycle.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
5.

Which of the following is true about death time curve method to sterilize canned food?

A. It tells us the time and temperature to sterilize canned food
B. It tells us about the heat penetration of the container
C. It tells us about the heat conductivity of the container
D. All of the mentioned
Answer» E.
Discussion