Test Bank For Microbiology 1st Edition By Wessner
Chapter Number: 2
Question Type: Multiple Choice
1) Which term describes spherical-shaped bacteria?
a) cocci
b) bacilli
c) spirilla.
d) vibrios.
e) pleiomorphs
Answer: a
Difficulty: Easy
Learning Objective: LO 2.1 Describe the shape, multicellular arrangement and general sizes of common bacteria.
Section Reference: Section 2.1 Morphology of bacterial cells
2) What is the typical length of a bacterium?
a) 5 – 10 nm
b) 0.5 – 5 µm
c) 20 – 40 µm
d) 5 – 10 mm
e) 20 – 40 mm
Answer: b
Difficulty: Easy
Learning Objective: LO 2.1 Describe the shape, multicellular arrangement and general sizes of common bacteria.
Section Reference: Section 2.1 Morphology of bacterial cells
3) Which term describes straight, rod-shaped bacteria?
a) cocci
b) bacilli
c) spirilla.
d) vibrios.
e) pleiomorphs
Answer: b
Difficulty: Easy
Learning Objective: LO 2.1 Describe the shape, multicellular arrangement and general sizes of common bacteria.
Section Reference: Section 2.1 Morphology of bacterial cells
4) Which region contains the chromosome in the bacterial cell?
a) Nucleus
b) Nucleoid
c) Plasmid
d) Plastid
e) Prophage
Answer: b
Difficulty: Easy
Learning Objective: LO 2.2 Describe the nucleoid and the components of bacterial cytoplasm.
Section Reference: Section 2.2 The cytoplasm
5) Which is an example of an “inclusion body” found in a bacterial cell?
a) the nucleus
b) the mitochondria
c) a topoisomerase
d) the cell membrane
e) polyhydroxybutyrate
Answer: e
Difficulty: Easy
Learning Objective: LO 2.2 Describe the nucleoid and the components of bacterial cytoplasm.
Section Reference: Section 2.2 The cytoplasm
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