BIOS 242 MICROBIOLOGY WEEK 2 QUIZ- UPDATED GUIDE
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1)
Cellular organelles and viruses are generally measured in
A)
nanometers.
B)
millimeters.
C)
micrometers.
D)
centimeters.
E)
decimeters.
A
Bloom's Rank: Knowledge
Section Title: Units of Measurement
2)
Which of the following is an INCORRECT pairing?
A)
magnification: refraction of
radiation B)
contrast: staining techniques
C)
numerical aperture: curved glass
D)
simple microscope: Leeuwenhoek
E)
electron beams: shorter wavelength
C
Bloom's Rank: Comprehension
Section Title: Microscopy
3)
The ability of a lens to gather light is referred to as its
A)
resolution.
B)
numerical aperture.
C)
refraction.
, D)
contrast.
E)
magnification.
B
Bloom's Rank: Knowledge
Section Title: Microscopy
4)
Which of the following is(are) (a) magnifying lens(es)?
A)
objective
B)
ocular
C)
condenser
D)
dark-field stop
E)
both the objective and the ocular
E
Bloom's Rank: Application
Section Title: Microscopy
5)
If you were trying to visualize flagella without staining, which microscope would you use?
A)
phase-contrast
B)
dark-field
C)
fluorescent
D)
confocal
E)
bright-field
A
Bloom's Rank: Comprehension
Section Title: Microscopy
6)
Why does immersion oil improve resolution?
A)
, It allows light to travel at a uniform speed on its way to the lens.
B)
It decreases the working distance.
C)
It increases the numerical aperture.
D)
It increases numerical aperture and maintains a uniform light speed.
E)
It increases the angle of refraction of the light.
D
Bloom's Rank: Application
Section Title: Microscopy
7)
All of the following are associated with different types of phase microscopes EXCEPT
A)
a dark-field stop.
B)
a phase plate.
C)
Nomarski microscopes.
D)
unstained specimens.
E)
prisms.
A
Bloom's Rank: Application
Section Title: Microscopy
8)
The microscope preferred for viewing living specimens is the microscope.
A)
bright-field
B)
phase-contrast
C)
scanning electron
D)
scanning tunneling
E)
transmission electron
B
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1)
Cellular organelles and viruses are generally measured in
A)
nanometers.
B)
millimeters.
C)
micrometers.
D)
centimeters.
E)
decimeters.
A
Bloom's Rank: Knowledge
Section Title: Units of Measurement
2)
Which of the following is an INCORRECT pairing?
A)
magnification: refraction of
radiation B)
contrast: staining techniques
C)
numerical aperture: curved glass
D)
simple microscope: Leeuwenhoek
E)
electron beams: shorter wavelength
C
Bloom's Rank: Comprehension
Section Title: Microscopy
3)
The ability of a lens to gather light is referred to as its
A)
resolution.
B)
numerical aperture.
C)
refraction.
, D)
contrast.
E)
magnification.
B
Bloom's Rank: Knowledge
Section Title: Microscopy
4)
Which of the following is(are) (a) magnifying lens(es)?
A)
objective
B)
ocular
C)
condenser
D)
dark-field stop
E)
both the objective and the ocular
E
Bloom's Rank: Application
Section Title: Microscopy
5)
If you were trying to visualize flagella without staining, which microscope would you use?
A)
phase-contrast
B)
dark-field
C)
fluorescent
D)
confocal
E)
bright-field
A
Bloom's Rank: Comprehension
Section Title: Microscopy
6)
Why does immersion oil improve resolution?
A)
, It allows light to travel at a uniform speed on its way to the lens.
B)
It decreases the working distance.
C)
It increases the numerical aperture.
D)
It increases numerical aperture and maintains a uniform light speed.
E)
It increases the angle of refraction of the light.
D
Bloom's Rank: Application
Section Title: Microscopy
7)
All of the following are associated with different types of phase microscopes EXCEPT
A)
a dark-field stop.
B)
a phase plate.
C)
Nomarski microscopes.
D)
unstained specimens.
E)
prisms.
A
Bloom's Rank: Application
Section Title: Microscopy
8)
The microscope preferred for viewing living specimens is the microscope.
A)
bright-field
B)
phase-contrast
C)
scanning electron
D)
scanning tunneling
E)
transmission electron
B
