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OPENSTAX MICROBIO (CHAPTERS 1-3 AND 7) MC REVIEW QUESTIONS -EXAM 1 PREP
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OPENSTAX MICROBIO (CHAPTERS 1-3 AND 7) MC REVIEW QUESTIONS -EXAM 1 PREP
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OPENSTAX MICROBIO (CHAPTERS 1-3 AND 7) MCREVIEW QUESTIONS -EXAM 1 PREP
Which of the following foods is NOT made by fermentation?
A. Beer
B. Bread
C. Cheese
D. Orange Juice - Answers -D
Who is considered the "father of Western medicine"?
A. Marcus Terentius Varro
B. Thucydides
C. Antonie van Leeuwenhoek
D. Hippocrates - Answers -D
Who was the first to observe "animalcules" under the microscope?
A. Antonie van Leeuwenhoek
B. Ötzi the Iceman
C. Marcus Terentius Varro
D. Robert Koch - Answers -A
Who proposed that swamps might harbor tiny, disease-causing animals too small to
see?
A. Thucydides
B. Marcus Terentius Varro
C. Hippocrates
D. Louis Pasteur - Answers -B
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 _____________.
A. fluorescent
B. phosphorescent
C. transparent
D. opaque - Answers -A
Who was the first to describe "cells" in dead cork tissue?
A. Hans Janssen
B. Zaccharias Janssen
C. Antonie van Leeuwenhoek
D. Robert Hooke - Answers -D
Who is the PROBABLE inventor of the compound microscope?
A. Girolamo Fracastoro
B. Zaccharias Janssen
C. Antonie van Leeuwenhoek
, D. Robert Hooke - Answers -B
Which would be the best choice for viewing the internal structures of a LIVING protist
such as a Paramecium?
A. a brightfield microscope with a stain
B. a brightfield microscope without a stain
C. a darkfield microscope
D. a transmission electron microscope - Answers -C
Remember that transmission electron microscopes and brightfield microscopes require
the specimen to be DEAD.
Which type of microscope is especially useful for viewing thick structures such as
biofilms?
A. a transmission electron microscope
B. a scanning electron microscopes
C. a phase-contrast microscope
D. a confocal scanning laser microscope
E. an atomic force microscope - Answers -D
Confocal microscopes create images with a laser that scans multiple z-planes. They
produce lots of 2D high-resolution images at various depths
Which type of microscope would be the best choice for viewing very small surface
structures of a cell?
A. a transmission electron microscope
B. a scanning electron microscope
C. a brightfield microscope
D. a darkfield microscope
E. a phase-contrast microscope - Answers -B
SEMs form images of surfaces of specimen. They can create highly detailed 3D
images.
What type of microscope uses an annular stop?
A. a transmission electron microscope
B. a scanning electron microscope
C. a brightfield microscope
D. a darkfield microscope
E. a phase-contrast microscope - Answers -E
Phase-contrast microscopes use refraction and interference caused by structures in a
specimen to create high-contrast and high-resolution images without staining. They also
create images by ALTERING THE WAVELENGTHS OF LIGHT RAYS PASSING
THROUGH THE SPECIMEN.
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