Bio 2010 - Microbiology » Summer 2023 » Aseptic Transfer Technique
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Question #1
You and your partner were talking during your aseptic transfer activity. You cannot remember if you flamed your flame loop before you opened your first test tube. What should you do in order to avoid contamination?
A.
nothing, bacteria cannot grow on the metal loop
B.
get a different flame loop
C.
flame it again just to be sure.
D.
nothing, the last person flamed it
Question #2
Once inoculated with bacteria, how should agar Petri plates be incubated?
A.
sideways
B.
none of these
C.
upside down
D.
right side up
Question #3
What is the goal of aseptic transfer technique?
A.
none of these
B.
to allow contamination
C.
to prevent contamination
D.
to reduce contamination
Question #4
Where should Petri dish lids be placed during the aseptic transfer technique?
A.
on the table, facing down
B.
in your hand, facing up
C.
in your hand, facing down
D.
on the table, facing up
Question #5
Which of the following best describes contamination?
A.
presence of carbon dioxide
B.
presence of microorganisms
C.
presence of oxygen
D.
oxygen free
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