26th
Jun
Microbiology MCQ

Take Microbiology MCQ Test & Online Quiz to test your knowledge

We have listed below the best Microbiology MCQ Questions, that checks your basic knowledge of Microbiology. This Microbiology MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to every question to check your final preparation of the Microbiology Exam/Interviews. apart from this, you can also download the Microbiology MCQ PDF from the given link between the Quiz.

Microbiology MCQ Questions

1) Microbiology is the scientific study of ..................

  • A. Plants
  • B.Humans
  • C.Animals
  • D.Microorganism

2) Microbiology encompasses numerous sub-disciplines including ........................

  • A. Virology & mycology
  • B.Bacteriology & parasitology
  • C.Protistology & immunology
  • D.All of the Above

3) Which of these bacterial components is least likely to contain useful antigens?

  • A. Flagella
  • B.Capsule
  • C.Cell wall
  • D.Ribosomes

4) ................... is used for phage display technique.

  • A. ɸ6
  • B.T7
  • C.M13
  • D.ƛ-phage

5) The association of endotoxin in gram-negative bacteria is due to the presence of .................

  • A. Steroids
  • B.Polypeptide
  • C.Peptidoglycan
  • D.Lipopolysaccharides
Download Free : Microbiology MCQ PDF

6) Who is father of ancient microbiology?

  • A. Galileo
  • B.Rasmus Lerdorf
  • C.Antoni van Leeuwenhoek
  • D.None of above

7) Which of the following is a gram-positive eubacterium in microbiology?

  • A. Rhizobium
  • B.Clostridium
  • C.Actinomyces
  • D.Clostridium, Actinomyces

8) Diarrhoea is not caused by ................

  • A. Clostridium difficile
  • B.Salmonella enteriditis
  • C.Shigella dysenteriae
  • D.Streptococcus pyogenes

9) The DNA molecule of microorganisms is made up of base pairs of ................

  • A. Adenine-thymine
  • B.Guanine-cytosine
  • C.Adenine-cytosine
  • D.Guanine-cytosine and adenine-thymine

10) What are the blood serum proteins produced by animals called?

  • A. Toxins
  • B.Enzymes
  • C.Amino acids
  • D.Antibodies

11) What are ribosomes composed of ........................

  • A. RNA
  • B.DNA
  • C.Proteins
  • D.Both Proteins & RNA

12) Which among the following come under Gram-positive eubacteria?

  • A. Rhizobium
  • B.Clostridium
  • C.Actinomyces
  • D.Both Clostridium & Actinomyces

13) Resolving power of a microscope is a function of .................

  • A. Refractive index
  • B.Wavelength of light used
  • C.Numerical aperture of lens system
  • D.Both Wavelength of light used & Numerical aperture of lens system

14) What is the minimum distance for the eye to focus any object?

  • A. 11 cm
  • B.25 cm
  • C.32 cm
  • D.42 cm

15) Which of the following are true for electron microscopy?

  • A. Specimen should be thin and dry
  • B.Image is obtained on a phosphorescent screen
  • C.Electron beam must pass through evacuated chamber
  • D.All of the Above

16) Which of the following is used as a solidifying agent for media?

  • A. Agar
  • B.Peptone
  • C.Beef extract
  • D.Yeast extract

17) Which of the following is a Complex media for fungal growth?

  • A. Nutrient broth
  • B.Luria-Bertani media
  • C.Mac Conkey Agar media
  • D.Potato Dextrose Agar(PDA) media

18) Ribosomes of prokaryotes have a sedimentation coefficient of?

  • A. 80S
  • B.90S
  • C.70S
  • D.50S

19) What helps in the heat resistance of the endospore?

  • A. Calcium
  • B.Water
  • C.Methylene
  • D.Calcium-DPA complex

20) Which of the following is used in electron microscope?

  • A. Light waves
  • B.Electron beams
  • C.Magnetic fields
  • D.Both Electron beams & Magnetic fields

21) How Do Viruses Reproduce

  • A. They take over the living cells machinery
  • B.They slide in the cell on their own
  • C.They can reproduce themselves
  • D.They put themselves in our bloodstream first

22) Which Disease Is Caused By Bacteria?

  • A. Tuberculosis
  • B.Cancer
  • C.Ringworm
  • D.Sugar

23) How Large Are Viruses ?

  • A. 100-150 nm
  • B.300-600nm
  • C.20-200 nm
  • D.10-100nm

24) What Is RFLP Used For?

  • A. Detecting PCR products
  • B.Amplify nucleic acids
  • C.Used for Eastern blot
  • D.DNA fingerprinting

25) What Types Of Cells Can Viruses Infect

  • A. Only bacterial cells
  • B.Only animal cells
  • C.Only prokaryotic ones
  • D.all of them

26) Gram Positive Bacteria

  • A. E.coli
  • B.Lactobacillus sp.
  • C.Pseudomonas sp.
  • D.All of the these

27) Why Is Taq Used In PCR?

  • A. It is a specific DNA Primer
  • B.It is a heat stable polymerase
  • C.It is specific to the target probe
  • D.It does not need a cofactor

28) Expand MMR

  • A. Measles Mumps Rubella
  • B.Malaria malaria rhehasus
  • C.Monkey Month Resists
  • D.Mango mangi red

29) What Is The Backbone Of DNA Made Of?

  • A. Glucose and Nitrogen
  • B.Deoxyribose and Nitrogen
  • C.Deoxyribose and Phosphate
  • D.Deoxyribose and Sulfate

30) Gram Staining Is An Example Of

  • A. Acid fast staining
  • B.Simple staining
  • C.Negative staining
  • D.Differential staining

31) The Bacterium That Is Most Commonly Used In Genetic Engineering Is

  • A. E.coli
  • B.Klebsiella
  • C.Bacillus substilus
  • D.Staphylococcus auerus

32) Microbiology Is The Study Of

  • A. small animals
  • B.microscopic organisms
  • C.diseases
  • D.health

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