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BIOS 242 Microbiology Midterm Exam Questions and Answers 2025
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BIOS 242 Microbiology Midterm Exam Questions and Answers 2025
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BIOS 242 Microbiology Midterm Exam Questions and Answers 2025Question:
Antoni van Leeuwenhoek was the first person in history to
Student Answer:
use a magnifying glass.
develop a taxonomic system.
view protozoa and bacteria.
disprove spontaneous generation.
prove the germ theory.
Points Received: 0 of 1
Comments:
Question 2 Question :
. Microbes that can live in the presence or absence of oxygen are
called
Student Answer:
anaerobes.
facultative anaerobes.
obligate parasites.
archaea.
prokaryotes.
Points Received: 1 of 1
Comments:
Question 3 Question :
. Which of the following scientists provided evidence in favor of the
concept of spontaneous generation?
Student Answer:
Pasteur
P a g e 1 | 26
, Needham
Redi
Buchner
Spallanzani
Points Received: 0 of 1
Comments:
Question 4 Question :
. The microbial production of alcohol from sugar is known as
Student Answer:
fermentation.
pasteurization.
metabolism.
abiogenesis.
antisepsis.
Points Received: 1 of 1
Comments:
Question 5 Question :
. Which of the following statements concerning Koch's postulates is
false?
Student Answer:
Koch's postulates cannot be used to demonstrate the cause of all
diseases.
A suspected pathogen must be able to be grown in the
laboratory.
All of Koch's postulates must be satisfied before an organism can
be proven to cause a particular disease.
Koch's postulates involve the experimental infection of
susceptible hosts.
A suspected pathogen must be found in the majority of
individuals with a particular disease.
Points Received: 0 of 1
P a g e 2 | 26
, Comments:
Question 6 Question :
. The study of the body's defenses against pathogens is called
Student Answer:
etiology.
immunology.
chemotherapy.
molecular biology.
epidemiology.
Points Received: 1 of 1
Comments:
Question 7 Question :
. Which of the following is NOT a characteristic of viruses?
Student Answer:
they are visible with a light microscope.
they are acellular.
they are composed of genetic material and protein.
they are smaller than prokaryotic cells.
they are obligatory parasites.
Points Received: 1 of 1
Comments:
Question 8 Question :
. Saccharomyces cerevisiae is an example of which of the following
types of microbes?
Student Answer:
fungus
protozoan
P a g e 3 | 26
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