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The final test in microbiology (credit)

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14.05.2020. Тест. Прочее, Прочее
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Choose only one correct answer (зачетный тест по микробиологии)

Список вопросов теста

Вопрос 1

The physiological period of the formation of microbiology as a science is associated with the name of:

Варианты ответов
  • P. Ehrlich
  • A. Levenhuk
  • C. McCarty
  • I.I. Mechnikov
  • L. Pasteur
Вопрос 2

The founder of virology is:

Варианты ответов
  • I.I. Mechnikov
  • P. Ehrlich
  • L. Pasteur
  • R. Koch
  • D.I. Ivanovsky
  • M. Beijerink
Вопрос 3

The cell wall of bacteria has got the function of:

Варианты ответов
  • protection against phagocytosis
  • protection from adverse environmental factors
  • respiration
  • adhesion
  • movement
Вопрос 4

Mesosomes of a bacterial cell perform the function of:

Варианты ответов
  • protection against phagocytosis
  • protection from adverse environmental factors
  • respiration
  • adhesion
  • movement
Вопрос 5

The capsule of bacteria performs the function of:

Варианты ответов
  • protection against phagocytosis
  • protection from adverse environmental factors
  • respiration
  • shape maintaining
  • adhesion
Вопрос 6

To detect the motor activity of bacteria, one can use the following type of microscopy:

Варианты ответов
  • luminescent
  • phase contrast
  • immersive
  • electronic
  • light
Вопрос 7

Out of the microorganisms listed below, which one is gram-negative?

1) staphylococci

2) streptococci

3) bacillus anthracis

4) E. coli 

Варианты ответов
  • staphylococci
  • streptococci
  • bacillus anthracis
  • E. coli
Вопрос 8

If you want to detect capsules, you can use the staining method by:

Варианты ответов
  • Neisser
  • Burry Guins
  • Ziehl-Nielsen
  • Gram
  • Ozheshko
Вопрос 9

If you want to detect spores, you can use the staining method by:

1) Neisser

2) Burry Guins

3) Ziehl-Nielsen

4) Gram

5) Ozhesko

Варианты ответов
  • Neisser
  • Burry Guins
  • Ziehl-Nielsen
  • Gram
  • Ozhesko
Вопрос 10

When using the Gram method, bacterial spores acquire:

Варианты ответов
  • purple color
  • red color
  • are not stained
  • blue color
  • yellow color
Вопрос 11

When using the Neisser method, the volutin inclusions of diphtheria bacillus acquire:

Варианты ответов
  • purple color
  • red color
  • are not stained
  • deep blue color
  • yellow color
Вопрос 12

The outer membrane, consisting of proteins, phospholipids and lipopolysaccharides and located on top of the murein layer, is found in:

Варианты ответов
  • gram-positive bacteria
  • protozoa
  • gram-negative bacteria
  • mushrooms
Вопрос 13

The rigidity of the cell wall in bacteria is due to the presence of ___ in its composition:

Варианты ответов
  • proteins
  • lipids
  • teichoic acids
  • peptidoglycan
  • polysaccharides
Вопрос 14

The step of Gram staining technique, which allows to differentiate bacteria into gram-positive and gram-negative, is:

Варианты ответов
  • staining with gentian violet
  • treatment of the drug with Lugol's solution
  • discoloration with alcohol
  • fuchsin staining
  • washing out the drug with water after staining with fuchsin
Вопрос 15

The differentiating factor in Endo and Levin media is:

Варианты ответов
  • glucose
  • lactose
  • sucrose
  • agar-agar
  • bile
Вопрос 16

The consistency of culture media depends on the concentration of ___ in it:

Варианты ответов
  • sodium chloride
  • water
  • agar-agar
  • bile acids
  • glucose
Вопрос 17

The following method is NOT used to isolate pure cultures of anaerobic microorganisms:

Варианты ответов
  • physical
  • chemical
  • biological
  • virological
Вопрос 18

The sign that is not characteristic of the growth of bacterial cultures in liquid nutrient media is:

Варианты ответов
  • diffuse turbidity
  • film formation
  • clot formation
  • precipitation
Вопрос 19

The formation of red colonies on Endo medium indicates the ability of this microorganism to:

Варианты ответов
  • ferment glucose
  • ferment lactose
  • form indole
  • form hydrogen sulfide
Вопрос 20

The differentiating factor in YSA is:

Варианты ответов
  • bile salts
  • 10% sodium chloride
  • lactose
  • lecithin
Вопрос 21

Nutrient media intended for a selective isolation of microorganisms of a certain species are called:

Варианты ответов
  • elective
  • general purpose media
  • differential diagnostic
  • special mediums
Вопрос 22

The complete destruction of the vegetative forms of microorganisms and their spores in various materials is called:

Варианты ответов
  • disinfection
  • microbial decontamination
  • sterilization
  • pasteurization
Вопрос 23

A system of measures to prevent microorganisms getting into human tissues or cavities from the medium during diagnostic or therapeutic measures is called:

Варианты ответов
  • disinfection
  • sterilization
  • aseptic
  • antiseptics
  • microbial decontamination
Вопрос 24

For sterilization of simple nutrient media (MPB, MPA) a man can use:

Варианты ответов
  • flowing steam
  • autoclaving at 120 °С, 30 min
  • tindalization
  • pasteurization
  • filtration through bacterial filters
Вопрос 25

A man can place ___ in an autoclave to control the effectiveness of sterilization using a chemical method:

Варианты ответов
  • a thermometer with maximum grades
  • bacterial spores
  • spore-forming bacteria
  • a substance with a known melting point
  • gauze with its subsequent inoculation in a nutrient medium
Вопрос 26

To sterilize materials, you can use any of the following methods, except:

Варианты ответов
  • flowing steam
  • autoclaving
  • pasteurization
  • tindalization
  • ignition
Вопрос 27

Antibiotics do not affect:

Варианты ответов
  • bacteria
  • spirochetes
  • mycoplasmas
  • chlamydia
  • bacteriophages
Вопрос 28

The genetic mechanism for the development of antibiotic resistance is due to:

Варианты ответов
  • the occurrence of R-plasmids in a bacterial cell
  • lysogenization of bacterial cultures
  • disorder of the permeability of the bacterial wall
  • dissociation
Вопрос 29

Extra-chromosomal factors of bacterial heredity are:

Варианты ответов
  • mitochondria
  • plasmids
  • intracellular inclusions
  • ribosomes
  • mesosomes
Вопрос 30

Transduction is the transfer of isolated genetic material:

Варианты ответов
  • from a donor cell to a recipient cell
  • from a donor cell to the recipient cell through the conjugative bridge
  • from one bacterium to another through a moderate phage
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