General Bio II Ch. 19 Test in Text
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Prokaryotes are unlike all other organisms in that their cells
a. | lack nuclei | c. | have cell walls | b. | have organelles | d. | lack nucleic
acids |
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2.
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Archaebacteria that live in oxygen-free environments include
a. | methanogens | c. | bacteriophages | b. | retroviruses | d. | protists |
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3.
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Which micrograph shows bacillus bacteria?
a. | picture A | c. | picture C | b. | picture B | d. | picture D |
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4.
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Bacteria that contain chlorophyll a belong in the group
a. | archaebacteria | c. | chemoautotrophs | b. | cyanobacteria | d. | pathogens |
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5.
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Bacteria reproduce sexually by
a. | binary fission | c. | conjugation | b. | spores | d. | fixation |
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6.
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The process of converting nitrogen into a form plants can use is known as
nitrogen
a. | conjugation | c. | decomposition | b. | sterilization | d. | fixation |
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7.
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Particles made up of nucleic acids, proteins, and in some cases, lipids that can
reproduce only by infecting living cells are known as
a. | bacteria | c. | prophages | b. | capsids | d. | viruses |
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8.
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The outer protein coat of a virus is a
a. | core of DNA | c. | capsid | b. | core of RNA | d. | membrane
envelope |
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9.
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One group of viruses that contain RNA as their genetic information is
a. | oncogenic viruses | c. | capsids | b. | retroviruses | d. | prophages |
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10.
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Disease-causing organisms are known as
a. | cocci | c. | pathogens | b. | bacilli | d. | archaebacteria |
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