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

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

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