Microbiology MCQs with Answers

adminJune 13, 2024

0 19 2 minutes read

Welcome to the Microbiology MCQs with Answers. In this post, we have shared Microbiology Online Test for different competitive exams. Find practice Microbiology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Microbiology.

Microbiology is the scientific study of microorganisms, including bacteria, viruses, fungi, and protozoa. This field explores the diversity, physiology, and roles of these tiny organisms, which are crucial to both ecological systems and human health. Microbiology is fundamental for understanding the microbial world and its impact on the environment, industry, and medicine.

Key areas within microbiology include bacteriology, virology, mycology, and parasitology. Bacteriology focuses on the study of bacteria and their role in diseases, while virology deals with viruses and their interactions with hosts. Mycology examines fungi and their applications in biotechnology and medicine, and parasitology investigates parasites that affect human and animal health.

Techniques in microbiology such as culture methods, microscopy, and molecular diagnostics are essential for studying microorganisms. Advances in sequencing technologies and bioinformatics have revolutionized the field, allowing for detailed analysis of microbial genomes and interactions.

Microbiology plays a vital role in various industries, from pharmaceuticals, where it aids in drug development and quality control, to agriculture, where it contributes to soil health and pest control. It also addresses public health concerns by providing insights into infectious diseases, antimicrobial resistance, and vaccine development.

Microbiology Online Quiz

By presenting 3 options to choose from, Microbiology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Microbiology Questions and Answers and click over the correct answer.

Test Name: Microbiology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Microbiology

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1 / 40

The process of using high temperatures to kill microorganisms is called _______________.

Pasteurization

Autoclaving

Filtration

2 / 40

_______________ are viruses that infect bacteria.

Retroviruses

Bacteriophages

Adenoviruses

3 / 40

Which of the following is NOT a viral disease?

Tuberculosis

Influenza

HIV/AIDS

4 / 40

Which of the following is NOT a fungal infection?

Cholera

Athlete's foot

Thrush

5 / 40

The presence of flagella on a bacterial cell would facilitate _______________.

Conjugation

Adhesion

Motility

6 / 40

Which of the following is NOT a fungal disease?

Malaria

Candidiasis

Ringworm

7 / 40

The primary stain used in the Gram stain procedure is _______________.

Methylene blue

Safranin

Crystal violet

8 / 40

Which of the following is NOT a method of bacterial genetic recombination?

Transduction

Conjugation

Binary fission

9 / 40

The process by which a virus acquires an envelope from a host cell membrane is called _______________.

Lysogeny

Budding

Lytic cycle

10 / 40

_______________ is a disease caused by the protozoan Plasmodium.

Tuberculosis

Malaria

Cholera

11 / 40

The bacterial shape that resembles a curved rod is called _______________.

Bacillus

Coccus

Vibrio

12 / 40

Which of the following is NOT a method of controlling microbial growth?

Antiseptics

Disinfection

Photosynthesis

13 / 40

The bacterial process of converting atmospheric nitrogen into a form that plants can use is called _______________.

Nitrogen fixation

Denitrification

Nitrification

14 / 40

Which of the following is NOT a characteristic of viruses?

Reproduction

Metabolism

Cellular structure

15 / 40

Which of the following is a method of bacterial motility?

Flagella

Cilia

Pseudopodia

16 / 40

Which of the following is a prokaryotic microorganism?

Protozoa

Bacteria

Fungi

17 / 40

_______________ is a method of preserving food by removing water.

Canning

Fermentation

Dehydration

18 / 40

_______________ is a method of controlling microbial growth using chemicals.

Canning

Disinfection

Refrigeration

19 / 40

The chemical substance released by bacteria to communicate with each other is called _______________.

Quorum sensing

Antibiotic

Toxin

20 / 40

The bacterium responsible for causing stomach ulcers is _______________.

Escherichia coli

Staphylococcus aureus

Helicobacter pylori

21 / 40

Which of the following is NOT a method of sterilization?

Refrigeration

Filtration

Autoclaving

22 / 40

The cell wall of fungi is primarily composed of _______________.

Peptidoglycan

Chitin

Cellulose

23 / 40

Bacterial endospores are resistant to _______________.

Heat

Desiccation

Radiation

24 / 40

_______________ is the study of microorganisms.

Microbiology

Virology

Genetics

25 / 40

The viral genetic material can be either DNA or _______________.

RNA

Lipid

Protein

26 / 40

A viral infection that persists over a long period without causing symptoms is called a _______________ infection.

Acute

Latent

Chronic

27 / 40

The bacterial structure involved in conjugation is the _______________.

Flagellum

Pilus

Capsule

28 / 40

The Gram stain differentiates bacteria based on differences in their _______________.

Capsule

Ribosomes

Cell wall

29 / 40

The enzyme that catalyzes the conversion of hydrogen peroxide to water and oxygen in bacteria is _______________.

Lipase

Amylase

Catalase

30 / 40

The bacterial structure that provides protection against phagocytosis is the _______________.

Capsule

Flagellum

Pili

31 / 40

Which of the following is a sexually transmitted bacterial infection?

Tetanus

Gonorrhea

Tuberculosis

32 / 40

A bacterium that requires oxygen for growth is called a/an _______________ bacterium.

Aerobic

Facultative

Anaerobic

33 / 40

Which of the following is a protozoan disease?

Influenza

Malaria

Tuberculosis

34 / 40

_______________ are multicellular fungi that reproduce by producing spores.

Molds

Yeasts

Mushrooms

35 / 40

The process by which bacteria reproduce asexually by dividing into two identical daughter cells is called _______________.

Binary fission

Transduction

Conjugation

36 / 40

Which of the following is a method of viral entry into host cells?

Binary fission

Pinocytosis

Endocytosis

37 / 40

The spherical-shaped bacteria are called _______________.

Cocci

Spirilla

Bacilli

38 / 40

The process of using living organisms or their products to control microbial growth is called _______________.

Vaccination

Antibiotic therapy

Bioremediation

39 / 40

_______________ is the process of heating food or liquids to a specific temperature to kill pathogenic microorganisms.

Autoclaving

Pasteurization

Sterilization

40 / 40

The enzyme responsible for breaking down peptidoglycan in bacterial cell walls is _______________.

Amylase

Lysozyme

Protease

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adminJune 13, 2024

0 19 2 minutes read