Bio 2010 - Microbiology » Summer 2021 » Aseptic Transfer Technique (A)

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Question #1
Which of the following best describes sterile media?
A.   media free from living organisms
B.   media with low pH
C.   more than one of the above is correct
D.   media free from nutrients
E.   none of the above is correct
Question #2
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, the last person flamed it
B.   nothing, bacteria cannot grow on the metal loop
C.   flame it again just to be sure.
D.   get a different flame loop
Question #3
What is the name of the instrument that we MUST use during the aseptic microorganism transfer during our lab activities?
A.   flame loop
B.   finger
C.   flame wand
D.   pipettor
Question #4
Once inoculated with bacteria, how should agar Petri plates be incubated?
A.   right side up
B.   upside down
C.   sideways
D.   more than one of the above is correct
E.   none of the above is correct
Question #5
Which of the following best describes contamination?
A.   presence of microorganisms
B.   oxygen free
C.   presence of oxygen
D.   more than one of the above is correct
E.   presence of carbon dioxide
F.   none of the above is correct

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