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ВходColloquium 1. General Microbiology.
Список вопросов теста
Вопрос 1
What methods of microscopy are used to study viruses
Варианты ответов
- Immersion microscopy
- Dark field microscopy
- Electron microscopy
- Fluorescent microscopy
Вопрос 2
The presence of which component of the microbial cell determines the relation to the Gram stain.
Варианты ответов
- nucleus
- cytoplasm
- ribosomes
- capsule
- cell wall
Вопрос 3
Adding agar to the culture medium is used:
Варианты ответов
- To give the nutrient medium
- For optimum pH
- To impart nutrient density
- or growing whimsical to growing conditions (aukstrophic) microorganisms
Вопрос 4
With the help of the following methods, you can create anaerobic conditions:
Варианты ответов
- the use of thermostat
- the use of anaerostat
- the use complex medium
Вопрос 5
Elective nutrient media is:
Варианты ответов
- the media used to grow the basic microorganisms
- containing substances that stimulate the growth of some microorganisms that inhibit the growth of others
- to study the biochemical properties of microorganisms
- to differentiate colonies of microorganisms according to their ability to ferment substrates within their composition
- to study the biochemical properties of microorganisms
Вопрос 6
The differentiating factor in the Kligler medium is:
Варианты ответов
- lactose, mannose
- maltose, glucose
- glucose, lactose
- glucose
- lactose
Вопрос 7
Integrative phages:
Варианты ответов
- cause infection with imparting new properties to bacteria
- stimulate the growth of bacterial culture
- cause the lysis of bacterial cells
- perform the transfer of genetic material
Вопрос 8
What is the phenomenon accompanying reproduction of virulent phage in bacterial culture on solid nutrient medium?
Варианты ответов
- Lysis of bacteria and environmental clarification
- The formation of negative colonies (sterile stains)
- Turbidity of the medium
- The formation of colonies in the midst of the environment
Вопрос 9
Intestinal dysbiosis is:
Варианты ответов
- persistent quantitative and qualitative disturbances of normal microflora
- disturbances of the aerobic part of the normal intestinal microflora
- disturbances of the anaerobic part of the normal intestinal microflora
- the presence of pathogenic enterobacteria
Вопрос 10
Who first published images of microbes observed using
a microscope?
Варианты ответов
- L. Pasteur
- R. Koch
- A. Leeuwenhoek
- Hippocrates
Вопрос 11
The first vaccinations against smallpox were carried out by:
Варианты ответов
- D. I. Ivanovsky
- E. Jenner
- L. Pasteur
- R. Koch
- P. Ehrlich
Вопрос 12
What structure of the bacterial cell wall is responsible for adhesion to the surface of the eukaryotic cell?
Варианты ответов
- flagella
- nucleoid
- pili
- mesosome
Вопрос 13
You can use the following methods to determine the sensitivity of microorganisms to antibiotics:
Варианты ответов
- serial dilutions
- microscopic
- serological
- PCR
Вопрос 14
The red staining of Gram-negative bacteria is explained by:
Варианты ответов
- the formation of an alcohol-insoluble complex of substances in the cell
- chemical reaction between iodine and fuchsin
- chemical reaction between Lugol's solution and gentian violet
- chemical reaction between fuchsin and gentian violet
- discoloration of the cell wall with alcohol
Вопрос 15
Acid-resistant bacteria are stained with:
Варианты ответов
- the Gram method
- the Zil-Nelsen method
- the Ozheshko method
- the Buri-Gins method
- Lugol's solution
Вопрос 16
The assembly of child virions is proceeding:
Варианты ответов
- in the extracellular space
- in the cell wall
- in ribosomes
- in the cytoplasm of cells
- in the mitochondria
Вопрос 17
Virus reproduction can occur:
Варианты ответов
- in cell cultures
- in meat-peptone broth
- on blood agar
- in medium 199
Вопрос 18
The penetration of the phage genome into the cell is facilitated by the presence of:
Варианты ответов
- cytokine on the basal plate
- fibrinolysin
- hyaluronidases
- lysozyme
- perforin
Вопрос 19
Method of reproduction of bacteriophages:
Варианты ответов
- sexual
- transverse division
- intracellular reproduction
- using spores
- budding
Вопрос 20
The saccharolytic properties of the bacteria are evaluated:
Варианты ответов
- on meat-peptone agar
- in meat-peptone broth
- in a column of gelatin
- on Hiss medium
- in medium 199
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