Openstax Microbiology Final Exam
Chapter 2 And 4 Questions and Answers
2026/2027.
This is revealing how a baby zebrafish's nervous system develops. (T/F) - Answer True
This is a laser beam passing through oil. (T/F) - Answer False
This is a female producing 6 babies. (T/F) - Answer False
These are chromatophores from the skin of a nautilus. (T/F) - Answer False
These are salt crystals left over from soy sauce. (T/F) - Answer True
Which of the following has the highest energy?
light with a short wavelength
It is impossible to tell from the information given.
light with an intermediate wavelength
light with a long wavelength - Answer light with a short wavelength
You place a specimen under the microscope and notice that parts of the specimen begin to emit
light immediately. These materials can be described as _____________.
opaque
fluorescent
phosphorescent
transparent - Answer fluorescent
Electromagnetic radiation (EMR), a type of energy that is all around us can be found in the form
of:
X rays
Visible light
all of these are types of EMR
Radio Waves - Answer all of these are types of EMR
, The lowest frequency of visible light appears as the color ___________ .
yellow
red
blue
violet - Answer red
_______________ occurs when a wave bounces off of a material.
Absorbance occurs
Refraction
Reflection
Transmittance - Answer reflection
Light can change speed when passing through one material to the next.
This is sometimes true
This question has no answer
This is false
This is true - Answer This is true
Certain______________ dyes absorb ultraviolet or blue light and then use the energy to emit
photons of a different color, giving off light rather than simply vibrating. This
gamma
violet
cosmic
fluorescent - Answer fluorescent
A magnification of 10⨯ means that the image appears _____ times the size of the object as
viewed with the naked eye.
1000
1
10
100 - Answer 10
Which of these are examples of light microscopes?
phase-contrast microscopes
darkfield microscope
Chapter 2 And 4 Questions and Answers
2026/2027.
This is revealing how a baby zebrafish's nervous system develops. (T/F) - Answer True
This is a laser beam passing through oil. (T/F) - Answer False
This is a female producing 6 babies. (T/F) - Answer False
These are chromatophores from the skin of a nautilus. (T/F) - Answer False
These are salt crystals left over from soy sauce. (T/F) - Answer True
Which of the following has the highest energy?
light with a short wavelength
It is impossible to tell from the information given.
light with an intermediate wavelength
light with a long wavelength - Answer light with a short wavelength
You place a specimen under the microscope and notice that parts of the specimen begin to emit
light immediately. These materials can be described as _____________.
opaque
fluorescent
phosphorescent
transparent - Answer fluorescent
Electromagnetic radiation (EMR), a type of energy that is all around us can be found in the form
of:
X rays
Visible light
all of these are types of EMR
Radio Waves - Answer all of these are types of EMR
, The lowest frequency of visible light appears as the color ___________ .
yellow
red
blue
violet - Answer red
_______________ occurs when a wave bounces off of a material.
Absorbance occurs
Refraction
Reflection
Transmittance - Answer reflection
Light can change speed when passing through one material to the next.
This is sometimes true
This question has no answer
This is false
This is true - Answer This is true
Certain______________ dyes absorb ultraviolet or blue light and then use the energy to emit
photons of a different color, giving off light rather than simply vibrating. This
gamma
violet
cosmic
fluorescent - Answer fluorescent
A magnification of 10⨯ means that the image appears _____ times the size of the object as
viewed with the naked eye.
1000
1
10
100 - Answer 10
Which of these are examples of light microscopes?
phase-contrast microscopes
darkfield microscope
