MCQOPTIONS

Explore topic-wise MCQs in Food Engineering.

This section includes 14 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:_HEAT_RESISTANCE_OF_AN_ORGANISM_IS_DESIGNATED_BY_THE_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚Â§C‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_VALUE.?$#
A.
B.	True, False
C.	True, True
Answer» C. True, True

2.	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.

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.

4.	Statement 1: Spores heated in soil directly are more heat resistant than ones which are mixed with sterile soils and then heated.
A.
B.	True, False
C.	True, True
Answer» C. True, True

5.	Statement 1: The physical environment in which a spore is grown has minimal affect on its heat resistance.
A.
B.	True, False
C.	True, True
Answer» C. True, True

6.	Between the following factors, which of the following have maximum effect on highly heat resistant spores?
A.	Wetted
B.	Alternately wetted and dried
C.	Dried
D.	Frozen
Answer» D. Frozen

7.	Which of the following methods is possible to kill bacteria?
A.	Keeping the time constant from previous calculations and maintaining a certain temperature
B.	Bringing the temperature down to a certain value such that the bacteria die in 10 minutes
C.	Keeping the temperature constant and keeping them at that temperature till the time they die
D.	All of the mentioned
Answer» E.

8.	Which of the following is true about lethal mutation?
A.	It is brought about by destruction of a single molecule
B.	It is brought about by inhibition of enzyme activity
C.	Neither of the mentioned
D.	None of the mentioned
Answer» B. It is brought about by inhibition of enzyme activity

9.	Death of bacterial spores permits computation of death points which is independent of all explanation.
A.	True
B.	False
Answer» B. False

10.	Decreasing enzyme content is not a cause but rather a consequence of inhibited growth.
A.	True
B.	False
Answer» B. False

11.	The non-functioning of the enzymes in bacteria is a major reason of death of bacteria.
A.	True
B.	False
Answer» C.

12.	Which of the following sentences is NOT true?
A.	Bacteria can be killed by treating with heat, both, dry and moist heat treatment
B.	Cell protein coagulates in the absence of air
C.	Order of death by moist heat is logarithmic in nature
D.	None of the mentioned
Answer» C. Order of death by moist heat is logarithmic in nature

13.	Which of the following is true about spore formation by cells?
A.	They enlarge and prevent external agents from entering inside
B.	A resisting state from unfavorable environment
C.	They are formed by healthy cells that face starvation
D.	All of the mentioned
Answer» E.

14.	What could be the possible reason for the minimal use of MSG in preserved/ canned food items?
A.	Reduction in spore formation
B.	Increase in spore formation
C.	Facilitating multiplication of bacteria
D.	None of the mentioned
Answer» B. Increase in spore formation