Test Bank – Microbiology: An Evolving Science, 6th Edition by Joan L. Slonczewski & John W. Foster (Latest 2025/2026 Update | Complete Study Guide | Microbiology & Biology Exam Prep with Correct Answers)

TEST BANK for Microbiology: An Evolving
Science 6th Edition by Slonczewski & Foster;
All Chapters 1-28

, Table of Content
Chapter 01. Microbial Life-Origin Discovery

Chapter 02. Observing the Microbial Cell

Chapter 03. Cell Structure and Function

Chapter 04. Bacterial Culture, Growth, and Development

Chapter 05. Environmental Influences and Control of Microbial Growth

Chapter 06. Viruses

Chapter 07. Genomes and Chromosomes

Chapter 08. Transcription, Translation, and Protein Processing

Chapter 09. Genetic Change and Genome Evolution

Chapter 10. Molecular Regulation

Chapter 11. Viral Molecular Biology

Chapter 12. Molecular Complexity and Synthetic Biology

Chapter 13. Energetics and Catabolism

Chapter 14. Electron flow in Organotrophy, Lithotrophy, and Phototrophy

Chapter 15. Biosynthesis

Chapter 16. Food and Industrial Microbiology

Chapter 17. Origins and Evolution

Chapter 18. Bacterial Diversity

Chapter 19. Archaeal Diversity

Chapter 20. Eukaryotic Diversity

Chapter 21. Microbial Ecology

Chapter 22. Element Cycles and Environmental Microbiology

Chapter 23. The Human Microbiome and Innate Immunity

Chapter 24. The Adaptive Immune Response

Chapter 25. Pathogenesis

Chapter 26. Microbial Diseases

Chapter 27. Antimicrobial Therapy and Discovery

Chapter 28. Clinical Microbiology and Epidemiology

,CHAPTER 1: Microbial Life: Origin and Discovery
T T T T T T




MULTIPLE CHOICET




1. Viruses are: T


a. infectious agents that infect multi-cellular organisms T T T T T


b. noncellular particles that take over the metabolism of a cell to generate
T T T T T T T T T T T


more virus particles
T T T

c. pathogens that replicate in complex growth media T T T T T T


d. cellular particles that belong to the archaea domain
T T T T T T T


e. microbes that consist of lipid membrane enclosed genomes
T T T T T T T




ANS: B T T DIF: Easy REF: 1.1 TT T TOP: I.A | I.B T T T T


MSC: Remembering T




2. Analysis of DNA sequences reveals:
T T T T


a. the ancient convergence of two cell types, i.e., prokaryotes
T T T T T T T T

and eukaryotes
T T

b. prokaryotes and eukaryotes evolved from a common ancestral cell T T T T T T T T


c. that bacteria share common ancestor with archaea, but not
T T T T T T T T

with eukarya
T T

d. prokaryotes are cells with a nucleus T T T T T


e. the genome of Haemophilus influenzae has about 2 billion base pairs
T T T T T T T T T T




ANS: B T T DIF: Easy REF: 1.1 TT T TOP: I.A | I.B T T T T


MSC: Remembering T




3. Which of these groups are considered to be microbes but NOT considered to be cells?
T T T T T T T T T T T T T T


a. viruses d. protists
b. bacteria e. filamentous
fungi
c. archaea
ANS: A T T DIF: Easy REF: 1.1 TT T TOP: T T I.A.i
MSC: Remembering T




4. A microbe is commonly defined as:
T T T T T


a. a virus that requires a microscope to be seen
T T T T T T T T


b. a bacterium that requires a microscope to be seen
T T T T T T T T


c. a single-cellular prokaryote that requires a microscope to
T T T T T T T

be seen
T T

d. a multicellular eukaryote that requires a microscope to
T T T T T T T

be seen
T T

e. a living organism that requires a microscope to be seen
T T T T T T T T T




ANS: E T T DIF: Easy REF: 1.1 TT T TOP: I.A.i | I.A.ii T T T T


MSC: Remembering T




5. Which one of the following statements regarding microbial cells is NOT true?
T T T T T T T T T T T


a. Microbial cells acquire food, gain energy to build themselves,
T T T T T T T T


and respond to
T T T

environmental change. T


b. Most single-celled organisms require a microscope to render them visible,
T T T T T T T T T


but some
T T


bacterial cells are large enough to be seen with naked eyes.
T T T T T T T T T T

, c. Microbes function as individual entities.
T T T T


d. Many microbes form complex multicellular assemblages.
T T T T T


e. Viruses are not considered as microbial cells.
T T T T T T




ANS: C T T DIF: Easy REF: 1.1 TT T TOP: I.A.i | I.A.ii
T T T T


MSC: Remembering
T




6. Which of the following statements is FALSE?
T T T T T T


a. A genome is the total genetic information contained in an organism’s
T T T T T T T T T T

chromosomal DNA.
T T


b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can
T T T T T T T T T T T


fix nitrogen.
T T


c. By comparing DNA sequences of different organisms, we can figure out how
T T T T T T T T T T T


closely related they are.
T T T T


d. Fred Sanger developed the first applicable DNA sequencing method.
T T T T T T T T


e. Fred Sanger completed the sequences of Haemophilus influenzae.
T T T T T T T




ANS: E T T DIF: Easy REF: 1.1 TT T TOP: T T I.B
MSC: Remembering
T




7. The first cellular genomes to be sequenced were those of:
T T T T T T T T T


a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS: B T T DIF: Easy REF: 1.1 TT T TOP: T T I.B.i
MSC: Remembering
T




8. The environment of early Earth may have contained all of the following EXCEPT:
T T T T T T T T T T T T


a. ferrous iron T d. oxygen TT T

b. methane e. TTT

hydrogen
gas T


c. ammonia
ANS: D T DIF: Easy REF: Special Topic 1.1 T T T T


TOP: II.D
T T MSC: Remembering T




9. The development of the theory of the ―RNA world‖ resulted from the discovery of:
T T T T T T T T T T T T T


a. archaea d. ribozymes TT T

b. prions e. endosymbiont TTTT


s
c. bacteria
ANS: D T DIF: Medium REF: Special Topic 1.1 T T T T


TOP: II.D
T T MSC: Remembering T




10. Which microbes may resemble those of the earliest life forms?
T T T T T T T T T

a. archaea d. cyanobacteri TT T

a
b. photosynthetic algae e. protists T


c. viruses
ANS: A T DIF: Medium REF: Special Topic 1.1 T T T T


TOP: II.D
T T MSC: Remembering T




11. Early metabolism may have been catalyzed by:
T T T T T T