1.1 Multiple-Choice Questions

Chapter 1 Microbiology: Then and Now

1.1 Multiple-Choice Questions 1) Microorganisms are involved in each of the following processes EXCEPT

• infection.
• decomposition of organic material.
• O2 production.
• food production.
• smog production.

Answer: E

Section: 1.1

Blooms Taxonomy: Knowledge

Learning Outcome: 1.1

Global Outcome: 5

2) Each of the following organisms would be considered a microbe EXCEPT

• yeast.
• protozoan.
• bacterium.
• mushroom.
• virus.

Answer: D

Section: 1.1

Blooms Taxonomy: Knowledge

Learning Outcome: 1.3

3) The term used to describe a disease-causing microorganism is

• microbe.
• bacterium.
• virus.
• pathogen.
• infection.

Answer: D

Section: 1.1

Blooms Taxonomy: Knowledge

Learning Outcome: 1.3

4) Common commercial benefits of microorganisms include synthesis of

• riboflavin.
• acetone.
• insulin.
• aspirin.
• riboflavin, acetone and insulin.

Answer: E

Section: 1.1

Blooms Taxonomy: Knowledge

Learning Outcome: 1.1

Test Bank for Fundamentals of Microbiology, 11e Jeffrey Pommerville 1 / 4

5) Commercial utilization of microbial products has become increasingly popular due to their environmentally friendly nature. Production of these products which are readily degraded and, thus, non-toxic typically utilizes

• enzymes.
• organic acids.
• organic solvents.
• soap.
• alcohol.

Answer: A

Section: 1.4

Blooms Taxonomy: Application

Learning Outcome: 1.1

6) The formal system for classifying and naming organisms was developed by

• Robert Koch.
• Ignaz Semmelweis.
• Aristotle.
• Carolus Linnaeus.
• Louis Pasteur.

Answer: D

Section: 1.2

Blooms Taxonomy: Knowledge

Learning Outcome: 1.2

7) In the name Staphylococcus aureus, aureus is the

• genus.
• domain name.
• species.
• kingdom.
• family name.

Answer: C

Section: 1.2

Blooms Taxonomy: Comprehension

Learning Outcome: 1.2

8) A prokaryotic cell may possess each of the following cellular components EXCEPT

• flagella.
• a nucleus.
• ribosomes.
• a cell wall.
• a cell membrane.

Answer: B

Section: 1.2

Blooms Taxonomy: Knowledge

ASMcue Outcome: 2.1

Learning Outcome: 1.3

9) Which of the following is NOT associated with viruses?

• organelles
• nucleic acid 2 / 4

• envelope
• chemical reactions
• protein coat

Answer: A

Section: 1.2

Blooms Taxonomy: Comprehension

Learning Outcome: 1.3

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

• bacillus.
• spiral.
• coccus.
• ovoid.
• columnar.

Answer: A

Section: 1.2

Blooms Taxonomy: Comprehension

ASMcue Outcome: 2.1

Learning Outcome: 1.3

11) Protozoan motility structures include

• cilia.
• flagella.
• pseudopods.
• cilia and pseudopods only.
• cilia, flagella, and pseudopods.

Answer: E

Section: 1.2

Blooms Taxonomy: Knowledge

Learning Outcome: 1.3

12) Viruses are not considered living organisms because they

• cannot reproduce by themselves.
• are structurally very simple.
• can only be visualized using an electron microscope.
• are typically associated with disease.
• are ubiquitous in nature.

Answer: A

Section: 1.2

Blooms Taxonomy: Knowledge

ASMcue Outcome: 4.4

Learning Outcome: 1.3

13) The infectious agent that causes AIDS is a

• virus.
• bacterium.
• yeast.
• protozoan. 3 / 4

• mold.

Answer: A

Section: 1.2

Blooms Taxonomy: Knowledge

Learning Outcome: 1.3

14) Which of the following is NOT a domain in the three-domain system?

• animalia
• archaea
• bacteria
• eukarya

Answer: A

Section: 1.2

Blooms Taxonomy: Knowledge

ASMcue Outcome: 1.5

Learning Outcome: 1.4

15) Classification of organisms into three domains is based on

• the presence of a cell wall.
• the number of cells in the organism.
• cellular organization.
• nutritional requirements.
• cellular proteins.

Answer: C

Section: 1.2

Blooms Taxonomy: Comprehension

ASMcue Outcome: 1.5

Learning Outcome: 1.4

16) Archaea differ from bacteria in that archaea

• have diverse cell wall compositions.
• lack nuclei.
• use organic compounds for food.
• reproduce by binary fission.
• are prokaryotic.

Answer: A

Section: 1.2

Blooms Taxonomy: Comprehension

ASMcue Outcome: 2.3

Learning Outcome: 1.3

17) Who is credited with first observing cells?

• Robert Hooke
• Anton van Leeuwenhoek
• Robert Koch
• Louis Pasteur
• Carolus Linnaeus

Answer: A

Section: 1.3

Blooms Taxonomy: Knowledge

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