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Kardong 1e
An Introduction to Biological Evolution
Kenneth Kardong, Washington State University---Pullman
Evolutionary Biology: Today and Beyond

Practice Quiz



1

Eugenics is a policy that restricts reproduction of individuals with socially undesirable traits and promotes reproduction of individuals with socially desirable traits.
A)TRUE
B)FALSE
2

Which of the following applications of genetics to human health actually changes the genome?
A)eugenics
B)gene therapy
C)genetic screening
D)injection of EPO
3

A patient who receives gene therapy to treat Gaucher’s disease will not pass the disease-causing allele to his offspring.
A)TRUE
B)FALSE
4

A particular pathogen may or may not cause a plague depending on characteristics of the host population and on environmental conditions.
A)TRUE
B)FALSE
5

Which of the following is NOT true of viruses?
A)Viruses may have a DNA or RNA genome.
B)Viruses are dormant when isolated from cells of their hosts.
C)Viral structure includes a capsid, or protein casing.
D)Since viruses are not strictly alive, they cannot evolve.
6

Which of the following diseases is caused by a bacterium rather than a virus?
A)bubonic plague
B)influenza
C)AIDS
D)Ebola
7

Most new human diseases originate in temperate regions.
A)TRUE
B)FALSE
8

The human immune system
A)responds to pathogens and other antigens via recognition followed by neutralization.
B)is structurally the same as that of plants.
C)can cause cancer if it fails to recognize the body's own tissues as "self."
D)is based on the action of red blood cells.
9

Which taxonomic group is not involved in malaria as host, pathogen, or vector?
A)protists
B)mammals
C)insects
D)bacteria
10

Natural selection always drives pathogens to maximize their virulence.
A)TRUE
B)FALSE
11

Milkmaids in 18th-century England were often resistant to smallpox because
A)they had to be immunized before they could begin this job.
B)they were socially isolated from segments of the human population that tended to contract smallpox.
C)they often contracted cowpox, which conferred immunity to smallpox due to the close relationship between the pathogens that cause the two diseases.
D)high levels of milk consumption boosted their immune systems.
12

Pathogens can evolve adaptations to the immune responses of their hosts.
A)TRUE
B)FALSE
13

Which of the following statements is NOT true?
A)Some bacterial pathogens have evolved resistance to multiple antibiotics.
B)Bacteria can evolve resistance to disinfectants and antibacterial soaps.
C)Once a mutation conferring antibiotic resistance arises in a bacterium, asexual reproduction prevents the mutation from spreading beyond that cell’s direct descendants.
D)Antibiotics are ineffective against viral diseases.








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