Microbiology 020 - General Microbiology » Spring 2021 » Chapter 2 Quiz

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Question #1
Which type of microscope is the most widely used and shows cells against a bright background?
A.   Electron
B.   Dark field
C.   Bright field
D.   Phase contrast
E.   Fluorescence
Question #2
A pure culture contains ________.
A.   None of the choices are correct.
B.   only one species of microorganism
C.   a variety of species from the same genus
D.   a variety of microbes from one source
E.   only bacteria
Question #3
What type of isolation technique is most effective for the majority of applications?
A.   Streak plate
B.   Culture plate
C.   Loop dilution
D.   Spread plate
E.   Pour plate
Question #4
What do the Gram stain, acid-fast stain, and endospore stain have in common?
A.   They use a negative stain technique.
B.   The outcome is based on cell differences.
C.   They use heat to force the dye into cell structures.
D.   They are simple stains.
E.   They are used on a wet mount of the specimen.
Question #5
All of the following are examples of different types of microbiological media except _____.
A.   petri dish
B.   broth
C.   enriched media
D.   selective media
E.   agar
Question #6
The Five I's of studying microorganisms include all of the following except _____.
A.   identification
B.   infection
C.   incubation
D.   inoculation
E.   isolation
Question #7
The Gram staining procedure is best described as a(n) _______ staining technique.
A.   flagellar
B.   capsule
C.   acid-fast or Ziehl-Neelson
D.   simple
E.   differential
Question #8
Differential media results in which of the following growth characteristics?
A.   Different color colonies
B.   Different colony shapes, Different media color post incubation, and Different color colonies
C.   Different colony shapes
D.   Different media color post incubation
Question #9
The purpose of staining cells on a microscope slide is to ________.
A.   enlarge the cells
B.   see motility
C.   kill them
D.   add contrast in order to see them better
E.   secure them to the slide

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