Explore topic-wise MCQs in Microbiology.

This section includes 8 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 are generally applied on living animal tissues?

A. Antiseptics
B. Disinfectants
C. Preservatives
D. Sanitizer
Answer» B. Disinfectants
2.

The process of killing all microorganisms along with their spores is ____________________

A. Disinfection
B. Antisepsis
C. Sanitization
D. Sterilization
Answer» E.
3.

Escherichia coli is much more resistant to cationic disinfectants than Staphylococcus aureus.

A. True
B. False
Answer» B. False
4.

Which of the following is not a chemical agent for microbial control?

A. Radiations
B. Antibiotics
C. Antiseptics
D. Germicide
Answer» B. Antibiotics
5.

Which of the following is the characteristics of a sanitizer?

A. destroys all microbial forms
B. prevents the growth or action of microorganisms
C. reduces the microbial population to safe levels
D. kills all the bacteria and the bacterial spores
Answer» D. kills all the bacteria and the bacterial spores
6.

For using any chemical agent, we need to increase the temperature of the environment.

A. True
B. False
Answer» C.
7.

An agent that prevents the growth of bacteria are known as __________________

A. Bactericide
B. Bacteriostatic
C. Antimicrobial
D. Antibiotic
Answer» C. Antimicrobial
8.

A chemical agent that kills the microorganisms and is commonly applied to substances used on inanimate objects are _______________

A. Antiseptics
B. Sanitizer
C. Disinfectants
D. Antibiotics
Answer» D. Antibiotics