EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY -1. Who first designed the microscope, saw and sketched microbes?
A. Louis Pasteur
B. Robert Koch
C. Ilya Mechnikov
D. Dmitri Ivanovsky
E. Antonie Philips van Leeuwenhoek
2. Without which structures, bacteria cannot carry out their...
EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND
IMMUNOLOGY DISCIPLINE
Basic bacteriology
1. Who first designed the microscope, saw and sketched microbes?
A. Louis Pasteur
B. Robert Koch
C. Ilya Mechnikov
D. Dmitri Ivanovsky
E. Antonie Philips van Leeuwenhoek
2. Without which structures, bacteria cannot carry out their activities?
A. Capsule
B. Spors
C. Volutine granules
D. Nucleoid
E. Flagella
3. What structure determines the shape of a bacterial cell?
A. Cytoplasmic membrane
B. Capsid
C. Capsule
D. Spore
E. Cell wall
4. Bacteria as a unicellular microbes, that are without a nuclear membrane,
belong to which Kingdoms?
A. Eukaryotes
B. Priones
C. Prokaryotes
D. Viruses
E. Fungi
5. What is the significant structural component of a bacterial cell?
A. Capsule
B. Flagella
C. Spore
D. Cell wall
E. Volutine granules
6. From what structural element of bacteria does Gram stain depend on?
A. Structure of plasma membrane
B. Сomposition of cytoplasme
C. Structure of cell wall
D. Arraignment of nucleoid
E. Сomposition of Volutine granules
7. The structure of what morphological components determines Gram staining?
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A. Cytoplasm
B. Capsule
C. Cell wall
D. Plasma membrane
E. Volutine granules
8. Which step or dye does not use in Gram staining?
A. Alcohol discoloration
B. Fuchsin red
C. Crystal violet
D. Heating over the spirit lamp
E. Iodine solution
9. What is the reason for the acid fastness of bacteria?
A. Presence of carbohydrates
B. Presence of glycogen
C. Presence of proteins
D. Presence of lipids
E. Presence of peptidoglycan
10. What is the difference of cell wall structure between gram positive and gram
negative bacteria?
A. One layer of peptidoglycan
B. Lipopolysaccharide
C. Teichoic acids
D. Mitochondria
E. Mesosomes
11. What types of nutrition do have pathogenic bacteria?
A. Metatrophs
B. Autotrophs
C. Paratrophs
D. Heterotrophs
E. Auxotrophs
12. What mechanism is carried out with the active transport of nutrients into the
cell?
A. Without cleavage of the substrate
B. None of listed bellow
C. Without energy costs
D. By concentration of gradient
E. Against a concentration gradient
13. What is sterilization method completely destroys microbes in the material?
A. Autoclaving
B. Pasteurization
C. Filtration
D. Tindalization
E. Drying
14. Which structure does determine the ability of bacteria to attach to the surface of
host cells?
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A. Cell wall
B. Mesosomes
C. Fimbria
D. Flagella
E. Plasma membrane
15. What is the function of nucleoid?
A. To keep the shape of bacteria
B. To keep osmotic pressure
C. To keep hereditary information
D To keep cell’s metabolism
E. To keep protein synthesis
16. What is the function of cell wall?
A. Formative
B. Spore-forming
C. Capsule-forming
D. Enzyme-forming
E. Energy-generating
17. What is the importance of chemical composition of the cell wall?
A. Protein Synthesizing System
B. Contains ribosomes for protein synthesis
C. This structure is the same for all bacteria
D. Keeps hereditary information
E. It is responsible for Gram staining
18. What is the function of cytoplasmic membrane in bacteria?
A. Gives shape to cells
B. Involved in the transport of substances
C. Participates in protein synthesis
D. Causes cell sensitization.
E. Causes cell chemotaxis
19. Which is always present in bacteria ?
A. Cell wall
B. Cytoplasmic membrane
C. Mitochondria
D. Nucleoli
E. Volutin granules
20. Teichoic acids:
A. Are found in the walls of many gram-positive bacteria
B. Make up the outer wall of bacteria
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C. Provide receptors for phages
D. Influence the permeability of membrane
E. All are true
21. Mesosomes in bacteria are functional unit for :
A. Lipid storage
B. Protein synthesis
C.Respiratory enzymes
D.None
E. All
22. Essential structures for bacteria:
A. Capsule
B. Spores
C. Volutin granules
D. Nucleoid
E. Flagella
23. The presence of the cell wall is determined by:
A. Fluorescent microscopy
B. The “crushed drop” method
C. By the “thick drop” method
D. Ultracentrifugation
E. Plasmolite
24. The shape of the bacterial cell is determined by the structure:
A. Cytoplasmic membrane
B. Capsid
C. Capsules
D. Spores
E. Cell wall
25. Bacteria refer to:
A. Eukaryotes
B. Prions
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