,Package Title: Test Bank
Course Title: Wessner1e
Chapter Number: 1
Question Type: Multiple Choice
1) Which of these is considered to be the smallest unit of life?
a) the nucleus
b) the mitochondrion
c) a plasmid
d) the cell
e) a prion
Answer: d
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
2) The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae
Answer: a
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
3) Which of these is an example of a macromolecule?
a) an amino acid
b) a nucleoside
c) a protein
d) a purine
,e) a a monosaccharide
Answer: c
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
4) Which one of the following is NOT a macromolecule?
a) a protein
b) a polypeptide
c) DNA
d) mRNA
e) an amino acid
Answer: e
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
5) Which of these is the most abundant cellular macromolecule (on a dry weight basis)?
a) polypeptides.
b) lipids.
c) DNA.
d) mRNA.
e) rRNA.
Answer: a
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
6) What percent of the dry weight of the cell is composed of DNA?
a) 2 – 5
b) 12 -15
, c) 25 - 30
d) 35 -40
e) 50 – 55
Answer: a
Difficulty: Medium
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
7) What are the three Domains of life?
a) Monera, Animals, and Plants
b) Bacteria, Archaea, and Eukarya
c) Prokaryote, Eukaryote, and Fungi
d) Animals, Plants, and Bacteria
e) Animals, Plants, and Protista
Answer: b
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
8) Which term represents the history of an organisms’s evolution?
a) taxonomy
b) descent
c) classification
d) phylogeny
e) relative
Answer: d
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
9) Viruses are considered “nonliving” for all of the following reasons EXCEPT that they:
Course Title: Wessner1e
Chapter Number: 1
Question Type: Multiple Choice
1) Which of these is considered to be the smallest unit of life?
a) the nucleus
b) the mitochondrion
c) a plasmid
d) the cell
e) a prion
Answer: d
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
2) The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae
Answer: a
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
3) Which of these is an example of a macromolecule?
a) an amino acid
b) a nucleoside
c) a protein
d) a purine
,e) a a monosaccharide
Answer: c
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
4) Which one of the following is NOT a macromolecule?
a) a protein
b) a polypeptide
c) DNA
d) mRNA
e) an amino acid
Answer: e
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
5) Which of these is the most abundant cellular macromolecule (on a dry weight basis)?
a) polypeptides.
b) lipids.
c) DNA.
d) mRNA.
e) rRNA.
Answer: a
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
6) What percent of the dry weight of the cell is composed of DNA?
a) 2 – 5
b) 12 -15
, c) 25 - 30
d) 35 -40
e) 50 – 55
Answer: a
Difficulty: Medium
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
7) What are the three Domains of life?
a) Monera, Animals, and Plants
b) Bacteria, Archaea, and Eukarya
c) Prokaryote, Eukaryote, and Fungi
d) Animals, Plants, and Bacteria
e) Animals, Plants, and Protista
Answer: b
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
8) Which term represents the history of an organisms’s evolution?
a) taxonomy
b) descent
c) classification
d) phylogeny
e) relative
Answer: d
Difficulty: Easy
Learning Objective: LO 1.1 Discuss what microbiology is and what separates it from other
biological sciences.
Section Reference: Section 1.1 The microbes
9) Viruses are considered “nonliving” for all of the following reasons EXCEPT that they:
