Explore topic-wise MCQs in Microbiology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following method is used for treatment of water used for the depuration of shellfish?

A. Chemicals
B. Radiation
C. Low temperature
D. Osmotic pressure
Answer» C. Low temperature
2.

Acetic acid and lactic acid are used for __________________

A. curing meats
B. preservation of color
C. preservation of pickles
D. inhibiting mold growth
Answer» D. inhibiting mold growth
3.

The temperatures used for canning foods ranges from ____________________

A. 0-20 degree C
B. 20-60 degree C
C. 60-100 degree C
D. 100-121 degree C
Answer» E.
4.

ACETIC_ACID_AND_LACTIC_ACID_ARE_USED_FOR___________________?$

A. curing meats
B. preservation of color
C. preservation of pickles
D. inhibiting mold growth
Answer» D. inhibiting mold growth
5.

Which_of_the_following_method_is_used_for_treatment_of_water_used_for_the_depuration_of_shellfish?$

A. Chemicals
B. Radiation
C. Low temperature
D. Osmotic pressure
Answer» C. Low temperature
6.

Which chemical is used to inhibit mold growth in bread?

A. benzoic acid
B. nitrates
C. sorbic acid
D. lactic acid
Answer» D. lactic acid
7.

Jellies and jams are rarely affected by bacterial action.

A. True
B. False
Answer» B. False
8.

Phosphatase enzyme present in milk is destroyed in which of the following processes?

A. Sterilization
B. Canning
C. Dehydration
D. Pasteurization
Answer» E.
9.

Which of the following microorganism is eliminated in canned foods?

A. Mycobacterium tuberculosis
B. Coxiella burnetii
C. Clostridium botulinum
D. Lactobacillus
Answer» D. Lactobacillus
10.

Which of the following microorganism survive at -9 to -17 degree C?

A. Salmonella
B. Staphylococci
C. Bacilli
D. Clostridium
Answer» B. Staphylococci
11.

Sterilization occurs at high temperatures for long periods of time.

A. True
B. False
Answer» C.
12.

In the high-temperature short-time (HTST) method of pasteurization, milk is exposed to a temperature of _________

A. 132 degree F
B. 145 degree F
C. 161 degree F
D. 120 degree F
Answer» D. 120 degree F
13.

The temperatures used for canning foods ranges from ____________________

A. 0-20 degree C
B. 20-60 degree C
C. 60-100 degree C
D. 100-121 degree C
Answer» E.