Micro 020 - General Microbiology » Winter 2021 » Chapter 2 Quiz

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Question #1
A pure culture contains ________.
A.   only one species of microorganism
B.   a variety of microbes from one source
C.   only bacteria
D.   a variety of species from the same genus
E.   None of the choices are correct.
Question #2
Which type of microscope is the most widely used and shows cells against a bright background?
A.   Bright field
B.   Electron
C.   Phase contrast
D.   Fluorescence
E.   Dark field
Question #3
The purpose of staining cells on a microscope slide is to ________.
A.   kill them
B.   see motility
C.   secure them to the slide
D.   enlarge the cells
E.   add contrast in order to see them better
Question #4
The type of microscope in which you would see brightly illuminated specimens against a black background is _____.
A.   phase contrast
B.   fluorescence
C.   bright field
D.   electron
E.   dark field
Question #5
The term that refers to the purposeful addition of microorganisms into a laboratory nutrient medium is _____.
A.   isolation
B.   contamination
C.   immunization
D.   inoculation
E.   infection
Question #6
All of the following are examples of different types of microbiological media except _____.
A.   petri dish
B.   agar
C.   broth
D.   enriched media
E.   selective media
Question #7
Which type of microscope does not use light in forming the specimen image?
A.   Electron
B.   Dark field
C.   Fluorescence
D.   Phase contrast
E.   Bright field
Question #8
Newly inoculated cultures must be _____ at a specific temperature to encourage growth.
A.   All of the choices are correct.
B.   incubated
C.   contaminated
D.   streaked
E.   poured
Question #9
Differential media results in which of the following growth characteristics?
A.   Different colony shapes
B.   Different color colonies
C.   Different colony shapes and different color colonies and different media color post incubation
D.   Different media color post incubation

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