Bio 2010 - Microbiology » Summer 2021 » Lab Quiz 2
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Question #1
Which of the following is the Shaeffer-Fulton endospore secondary stain?
A.
safranin
B.
acid alcohol
C.
carbolfuchsin
D.
crystal violet
E.
none of the above is correct
Question #2
Which of the following is the Shaeffer-Fulton endospore bleach or destain?
A.
crystal violet
B.
safranin
C.
carbolfuchsin
D.
acid alcohol
E.
none of the above is correct
Question #3
Which of the following genus and species from our Microbial Control lab exercise was thermoduric?
A.
Escherichia coli
B.
Nisseria sicca
C.
Bacillus subtilis
D.
Staphylococcus epidermidis
Question #4
Which of the following is the Gram's destain or bleaching reagent?
A.
Loeffler's methylene blue
B.
Carbolfuchsin
C.
Safranin
D.
Acetone- Alcohol
E.
Crystal violet
Question #5
From our Microbial Control lab, which of the following chemical agents did we determine to be the BEST inhibitor of both Gram + and Gram - organisms
A.
bleach
B.
lysol
C.
alchol
D.
zephiran chloride
Question #6
Which of the following is the Gram's trapping agent?
A.
Acetone- Alcohol
B.
Safranin
C.
Crystal violet
D.
Loeffler's methylene blue
E.
Iodine
Question #7
Which of the following is the Ziehl-Neelsen acid fast bleach or destain stain?
A.
safranin
B.
crystal violet
C.
malachite green
D.
acid alcohol
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