Test Bank for Microbiology An Introduction 14th Edition by Tortora Chapters 1–28 Complete Study Guide Practice Questions and Exam Review 2025/ 2026 Microbiology Key Concepts

14e
Chapter : one




1) Microorganisms are involved in each of the following
processes except
A) Infection.
B) Decomposition of organic material.
C) O2 production.
D) Food production.
E) Smog production.
Answers: e
Section: 1.1
Bloom's taxonomy: remembering learning outcome: 1.1
Global outcome: 5

2) Each of the following organisms would be considered a
microbe except
A) Yeast.
B) Protozoan.
C) Bacterium.
D) Mushroom.
E) Virus. Answers: d section: 1.1
Bloom's taxonomy: remembering learning outcome: 1.4

, 3) The term used to describe a disease-causing microorganism is
A) Microbe.
B) Bacterium.
C) Virus.
D) Pathogen.
E) Infection. Answers: d section: 1.1
Bloom's taxonomy: remembering learning outcome: 1.1
4) Common commercial benefits of microorganisms include
synthesis of
A) Riboflavin.
B) Acetone.
C) Insulin.
D) Aspirin.
E) Riboflavin, acetone and insulin. Answers: e
Section: 1.1
Bloom's taxonomy: remembering asmcue outcome: 6.3
Learning outcome: 1.1


5) What factors contribute to the rising incidence of antibiotic
resistance?
A) Overuse of the specific drugs
B) Misuse of the specific drugs
C) Random mutations in bacterial genomes
D) Random mutations, overuse and misuse of specific drugs
E) Overuse and misuse of specific drugs Answers: d
Section: 1.5
Bloom's taxonomy: understanding asmcue outcome: 4.1
Learning outcome: 1.19
Global outcome: 5


6) The formal system for classifying and naming organisms was
developed by
A) Robert koch.
B) Ignaz semmelweis.
C) Aristotle.
D) Carolus linnaeus.
E) Louis pasteur. Answers: d

, Section: 1.2
Bloom's taxonomy: remembering learning outcome: 1.3

7) In the name staphylococcus aureus, aureus is the
A) Genus.
B) Domain name.
C) Species.
D) Kingdom.
E) Family name. Answers: c section: 1.2
Bloom's taxonomy: understanding learning outcome: 1.3

8) A prokaryotic cell may possess each of the following cellular
components except
A) Flagella.
B) A nucleus.
C) Ribosomes.
D) A cell wall.
E) A cell membrane. Answers: b
Section: 1.2
Bloom's taxonomy: remembering asmcue outcome: 2.1
Learning outcome: 1.4


9) Which of the following is not associated with viruses?
A) Organelles
B) Nucleic acid
C) Envelope
D) Chemical reactions
E) Protein coat Answers: a section: 1.2
Bloom's taxonomy: understanding asmcue outcome: 2.1
Learning outcome: 1.4
10) Figure 1.1

, The bacterial shape of the cells in the scanning electron micrograph
shown in figure 1.1 would best be described as
A) Bacillus.
B) Spiral.
C) Coccus.
D) Ovoid.
E) Columnar. Answers: a section: 1.2
Bloom's taxonomy: understanding asmcue outcome: 2.1
Learning outcome: 1.4


11) Protozoan motility structures include
A) Cilia.
B) Flagella.
C) Pseudopods.
D) Cilia and pseudopods only.
E) Cilia, flagella, and pseudopods. Answers: e
Section: 1.2
Bloom's taxonomy: remembering
Learning outcome: 1.4


12) Viruses are not considered living organisms because they
A) Cannot reproduce by themselves.
B) Are structurally very simple.
C) Can only be visualized using an electron microscope.
D) Are typically associated with disease.
E) Are ubiquitous in nature. Answers: a
Section: 1.2
Bloom's taxonomy: remembering asmcue outcome: 4.4
Learning outcome: 1.4