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

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