Glencoe Biology

Chapter 18: Bacteria and Viruses

Chapter Test Practice

1
Prokaryote is a Greek word that means ____.
A)complex organism
B)primitive nucleus
C)without a nucleus
D)ancient organism
2
A dormant cell produced by bacteria to withstand harsh conditions is called a (an) ____.
A)chemotroph
B)endospore
C)bacteriophage
D)capsule
3
A protein that can cause infection or disease is called a ____.
A)lytic virus
B)retrovirus
C)bacteriophage
D)prion
4
How can newly replicated viruses leave the host cell?
A)binary fission or osmosis
B)phagocytosis or osmosis
C)exocytosis or lyse
D)binary fission or phagocytosis
5
Look at the structures of this prokaryotic cell. What enables copies of plasmids to be transferred from other cells?

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A)cell wall
B)flagella
C)capsule
D)pili
6
The cell walls of eukaryotes contain ____.
A)archaebacteria
B)peptidoglycan
C)bacilli
D)bacteriophages
7
Viruses enter ____ in order to replicate.
A)a host cell
B)another virus
C)dead cells
D)nitrogen
8
What type of virus is this?

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A)adenovirus
B)bacteriorphage
C)retrovirus
D)influenza virus
9
Which of these is part of a virus's structure?
A)genetic material
B)capsid
C)protein unit
D)pili
10
Which of these is true regarding nitrogen fixation?
A)Bacterial enzymes convert nitrogen gas into compounds.
B)Nitrogen prevents bacteria from living in soil.
C)Nitrogen cannot be found in the atmosphere.
D)Bacteria prevents nitrogen from forming compounds.
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