Microbiology 020 - General Microbiology » Fall 2020 » Lab Quiz 5

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Question #1
To characterize microorganisms, which of the following approaches can be used?
A.   all of these are correct
B.   genetic
C.   biochemical
D.   microscopic
Question #2
The microscope is helpful in Microbiology as it allows for ______ or enlargement of the image of the specimen.
A.   magnification
B.   greater contrast
C.   all of these are correct
D.   resolution
Question #3
Protozoa, fungi, algae, as well as most bacteria can be viewed using a(n) ________ microscope, whereas smaller objects such as viruses and molecules require more powerful microscopes.
A.   light
B.   electron
C.   magnetic
D.   none of these are correct
Question #4
The ability to distinguish between two discrete points, which allows us to distinguish fine detail, is known as…
A.   resolution
B.   contrast
C.   magnification
D.   refraction
Question #5
Proper care of the microscope includes which of the following?
A.   All of these are correct
B.   Ensuring that one hand carries the arm, while the other hand carries the base
C.   Carrying the microscope with two hands
D.   Rotating the scanning lens back into place prior to returning the microscope
Question #6
What is the magnification of the ocular lens?
A.   10X
B.   100X
C.   1000X
D.   4X
Question #7
To change the objective lens, which of the following must be adjusted?
A.   The revolving nosepiece
B.   You move the objective lens directly
C.   The coarse focus knob
D.   The stage adjustment knobs
Question #8
What is the total magnification of an image when the scanning (4X) lens is in place?
A.   100X
B.   4X
C.   40X
D.   400X

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