BIOL 3444 EXAM 1 Questions and Answers |
Latest Update 2026/2027 | Graded A+ | 100%
Pass.
Which term is used to refer to a wave's rate of vibration?
Ans- B. frequency
On the figure, which letter represents a refracted ray of light?
Ans- C (BUT D on test)
On the electromagnetic spectrum, which type of wave has the
shortest wavelength?
Ans- A. cosmic ray
Dyes are often used during microscopy to increase which of the
following?
,Ans- A. contrast
Which of the following was the first to use the term "cells"?
Ans- A. Robert Hooke
Which of the following is the typical magnification of an object
viewed using a 10× ocular lens and a 100× objective lens on a
brightfield microscope? Ans- D. 1000×
Which of the following is the specific name for a stain that colors the
background but not the specimen?
Ans- D. negative stain
Which type of microscopy would work best for viewing internal cell
structures? Ans- D. transmission electron microscopy
,The Gram-staining procedure is best described as which of the
following? Ans- B. differential staining
When there is a substantial difference in refractive index between
two materials, which of the following describes what will happen to
light passing from one material to the other?
Ans- B. It will undergo a large amount of refraction.
Most modern microscopes have two eyepieces, meaning that they
are which of the following?
Ans- A. binocular
An annular stop is used for which type of microscopy?
Ans- D. phase contrast
, In microscopy, the focal length refers to which of the following?
Ans- D. the distance to the image point (at which all light entering a
lens is parallel)
Which of the following are pigments used in microscopy to absorb
and reflect light?
Ans- B. chromophores
Which of the following pairs are common acid-fast staining
techniques? Ans- C. Ziehl-Neelsen and Kinyoun
Which is the primary stain used in the Ziehl-Neelsen technique?
Ans- B. carbolfuchsin
Latest Update 2026/2027 | Graded A+ | 100%
Pass.
Which term is used to refer to a wave's rate of vibration?
Ans- B. frequency
On the figure, which letter represents a refracted ray of light?
Ans- C (BUT D on test)
On the electromagnetic spectrum, which type of wave has the
shortest wavelength?
Ans- A. cosmic ray
Dyes are often used during microscopy to increase which of the
following?
,Ans- A. contrast
Which of the following was the first to use the term "cells"?
Ans- A. Robert Hooke
Which of the following is the typical magnification of an object
viewed using a 10× ocular lens and a 100× objective lens on a
brightfield microscope? Ans- D. 1000×
Which of the following is the specific name for a stain that colors the
background but not the specimen?
Ans- D. negative stain
Which type of microscopy would work best for viewing internal cell
structures? Ans- D. transmission electron microscopy
,The Gram-staining procedure is best described as which of the
following? Ans- B. differential staining
When there is a substantial difference in refractive index between
two materials, which of the following describes what will happen to
light passing from one material to the other?
Ans- B. It will undergo a large amount of refraction.
Most modern microscopes have two eyepieces, meaning that they
are which of the following?
Ans- A. binocular
An annular stop is used for which type of microscopy?
Ans- D. phase contrast
, In microscopy, the focal length refers to which of the following?
Ans- D. the distance to the image point (at which all light entering a
lens is parallel)
Which of the following are pigments used in microscopy to absorb
and reflect light?
Ans- B. chromophores
Which of the following pairs are common acid-fast staining
techniques? Ans- C. Ziehl-Neelsen and Kinyoun
Which is the primary stain used in the Ziehl-Neelsen technique?
Ans- B. carbolfuchsin
