Microorganisms MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microorganisms, a fundamental topic in the field of Microbiology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Microorganisms MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Microorganisms mcq questions that explore various aspects of Microorganisms problems. Each MCQ is crafted to challenge your understanding of Microorganisms principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Microbiology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Microorganisms MCQs are your pathway to success in mastering this essential Microbiology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Microorganisms. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Microorganisms knowledge to the test? Let's get started with our carefully curated MCQs!

Microorganisms MCQs | Page 18 of 25

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Q171.
Ethylene oxide is used to destroy or kill which of the following microbes?
Discuss
Answer: (d).All of these
Q172.
Which of the following was the first widely used antiseptic and disinfectant?
Discuss
Answer: (b).Phenol
Q173.
If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound?
Discuss
Answer: (c).10
Q174.
Microbes can be removed from a liquid solution by the process of
Discuss
Answer: (a).filtration
Q175.
Which of the following is bactericidal?
Discuss
Answer: (b).Ionizing radiation
Discuss
Answer: (d).Destruction of contaminated materials
Q177.
The idea of selective toxicity was first proposed by
Discuss
Answer: (b).Paul Ehrlich
Q178.
Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types?
Discuss
Answer: (a).Signature sequence
Q179.
Archeal cells usually do not contain peptidoglycan, rather contain pseudo-peptidoglycan which is mainly composed of
Discuss
Answer: (d).N-acetyltalosaminuronic acid and L-amino acids
Q180.
In the three domain system of classification, the traditional bacteria are placed in the
Discuss
Answer: (c).eubacteria