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.
acid alcohol
B.
carbolfuchsin
C.
safranin
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.
carbolfuchsin
B.
acid alcohol
C.
crystal violet
D.
safranin
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.
Bacillus subtilis
B.
Escherichia coli
C.
Nisseria sicca
D.
Staphylococcus epidermidis
Question #4
Which of the following is the Gram's destain or bleaching reagent?
A.
Crystal violet
B.
Acetone- Alcohol
C.
Safranin
D.
Carbolfuchsin
E.
Loeffler's methylene blue
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.
zephiran chloride
B.
lysol
C.
alchol
D.
bleach
Question #6
Which of the following is the Gram's trapping agent?
A.
Loeffler's methylene blue
B.
Crystal violet
C.
Acetone- Alcohol
D.
Safranin
E.
Iodine
Question #7
Which of the following is the Ziehl-Neelsen acid fast bleach or destain stain?
A.
malachite green
B.
acid alcohol
C.
safranin
D.
crystal violet
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