Explore topic-wise MCQs in Microbiology.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

The thermophilic anaerobe spoilage of low and medium acid canned products are caused by _____________

A. Bacilllus stearothemophilus
B. Clostridium thermosaccharolyticum
C. Bacillus thermoacidurans
D. Clostridium sporogenes
Answer» C. Bacillus thermoacidurans
2.

Spoilage of bread is caused by which of the following microorganism(s)?

A. Saccharomyces
B. Rhizopus
C. Leuconostoc
D. Pseudomonas
Answer» C. Leuconostoc
3.

Which of the following type of spoilage occurs in fresh meat?

A. Souring
B. Greening
C. Putrefaction
D. Moldy
Answer» D. Moldy
4.

Tuberculosis brucellosis is caused by the pathogen from an infected cow.

A. True
B. False
Answer» B. False
5.

In which of the following biochemical types of microorganisms a slime layer or capsule is formed on the cells?

A. Acid producers
B. Gas producers
C. Ropy or stringy fermentation
D. Proteolytic
Answer» D. Proteolytic
6.

Which among the following group of microorganisms are found in the ducts of cow’s mammary glands?

A. Coliforms
B. Lactobacilli
C. Micrococci
D. Microbacteria
Answer» D. Microbacteria
7.

What is the pH of the bananas?

A. 2.3
B. 5.0
C. 7.0
D. 12.0
Answer» C. 7.0
8.

WHICH_OF_THE_FOLLOWING_TYPE_OF_SPOILAGE_OCCURS_IN_FRESH_MEAT??$

A. Souring
B. Greening
C. Putrefaction
D. Moldy
Answer» D. Moldy
9.

TUBERCULOSIS_BRUCELLOSIS_IS_CAUSED_BY_THE_PATHOGEN_FROM_AN_INFECTED_COW.?$

A. True
B. False
Answer» B. False
10.

The thermophilic anaerobe spoilage of low and medium acid canned products are caused by _____________$

A. Bacilllus stearothemophilus
B. Clostridium thermosaccharolyticum
C. Bacillus thermoacidurans
D. Clostridium sporogenes
Answer» C. Bacillus thermoacidurans
11.

Spoilage of bread is caused by which of the following microorganism(s)?

A. Saccharomyces
B. Rhizopus
C. Leuconostoc
D. Pseudomonas
Answer» C. Leuconostoc
12.

In which of the following biochemical types of microorganisms a slime layer or capsule is formed on the cells?

A. Acid producers
B. Gas producers
C. Ropy or stringy fermentation
D. Proteolytic
Answer» D. Proteolytic
13.

The coloration of the milk is caused by which of the following organism?

A. Pseudomonas sp.
B. Bacillus sp.
C. Penicillium sp.
D. Streptococcus sp.
Answer» B. Bacillus sp.
14.

Which among the following group of microorganisms are found in the ducts of cow’s mammary glands?$

A. Coliforms
B. Lactobacilli
C. Micrococci
D. Microbacteria
Answer» D. Microbacteria
15.

Which among the following is a gas producer organism?

A. Streptococcus lactis
B. Lactobacillus fermentum
C. Micrococcus luteus
D. Clostridium butyricum
Answer» E.
16.

At what temperature pasteurization of milk takes place?

A. 650 C
B. 370 C
C. 62.80 C
D. 450 C
Answer» D. 450 C
17.

Raw milk of good sanitary quality will develop sweet flavour.

A. True
B. False
Answer» C.
18.

What is the pH of bananas?

A. 2.3
B. 5.0
C. 7.0
D. 12.0
Answer» C. 7.0
19.

Which of the following organism occurs on the skin of fresh poultry?

A. pseudomonads
B. staphylococci
C. micrococci
D. enterococci
Answer» B. staphylococci