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Chapter 1 A Brief History of Microbiology

1.1 Multiple Choice Questions

1) Antoni van Leeuwenhoek was the first person in history to
A) use a magnifying glass.
B) develop a taxonomic system.
C) view microorganisms and record these observations.
D) disprove spontaneous generation.
E) use the germ theory of disease.
Answer: C
Bloom's Taxonomy: Knowledge
Section: The Early Years of Microbiology
Learning Outcome: 1.1

2) Which of the following microbes are likely to be the swiftly moving "animalcules" observed
by Leeuwenhoek in pond water?
A) fungi
B) protozoa
C) algae
D) viruses

E) fungi and algae
Answer: B
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.2

3) Which of the following statements about fungi is INCORRECT?
A) Fungi are eukaryotes.
B) Molds are multicellular.
C) Fungi have a cell wall.
D) Fungi are photosynthetic.
E) Yeasts are unicellular.
Answer: D
Bloom's Taxonomy: Comprehension
Section: The Golden Age of Microbiology
Learning Outcome: 1.3

,4) Which of the following is an accurate description of viruses?
A) They are visible with a light microscope.
B) They are the smallest known cells.
C) They are composed of protein only.
D) They are typically about the size of prokaryotic cells.
E) They are acellular obligatory parasites.
Answer: E
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.3

5) Which of the following is an INCORRECT pairing?
A) protozoa; multicellular
B) fungi; cell walls
C) algae; aquatic and marine habitats
D) prokaryotes; no nuclei
E) viruses; acellular parasites
Answer: A
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.3

6) A tiny (less than 2 micrometers) new organism is discovered living in a boiling hot "mud pot"
(a type of mud spring). It is most likely a member of the
A) algae.
B) archaea.
C) fungi.
D) protozoa.
E) viruses.
Answer: B
Bloom's Taxonomy: Analysis
Section: The Early Years of Microbiology
Learning Outcome: 1.4

7) Parasitic worms, even meters-long tapeworms, are studied in microbiology because
A) they are parasites.
B) diagnosis usually involves microscopic examination of patient samples.
C) the Gram stain can be used to identify them.
D) Leeuwenhoek first discovered them.
E) no one else wants to study them.
Answer: B
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.4

, 8) Which of the following is NOT a characteristic of protozoa?
A) Most exhibit asexual reproduction.
B) They are single-celled organisms.
C) They are eukaryotic organisms.
D) They are all photosynthetic.
E) They frequently possess cilia or flagella.
Answer: D
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.4

9) The microbes commonly known as ________ are single-celled eukaryotes that are generally
motile.
A) archaea
B) bacteria
C) fungi
D) protozoa
E) viruses
Answer: D
Bloom's Taxonomy: Comprehension
Section: The Early Years of Microbiology
Learning Outcome: 1.5

10) Microorganisms characterized by the absence of a nucleus are called
A) fungi.
B) pathogens.
C) eukaryotes.
D) prokaryotes.
E) viruses.
Answer: D
Bloom's Taxonomy: Knowledge
Section: The Early Years of Microbiology
Learning Outcome: 1.5

11) Louis Pasteur demonstrated that fermentation to produce alcohol is caused by
A) aerobes.
B) facultative anaerobes.
C) obligate parasites.
D) archaea.
E) prokaryotes.
Answer: B
Bloom's Taxonomy: Knowledge
Section: The Golden Age of Microbiology
Learning Outcome: 1.6