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Introduction to the World's Oceans Test Site, 8/e
Keith Sverdrup, University of Wisconsin -- Milwaukee
Alyn Duxbury, University of Washington
Alison Duxbury, Seattle Community College
Multiple Choice Quiz
1
Which of the following are not members of the phytoplankton?
A)
diatoms
B)
coccolithophores
C)
silicoflagellates
D)
radiolarians
E)
none of the above
2
The dominant phytoplankton from the polar zone to the temperate zone are the:
A)
diatoms.
B)
coccolithophores.
C)
foraminiferans.
D)
radiolarians.
E)
dinoflagellates.
3
Dinoflagellates obtain their nourishment by:
A)
photosynthesis.
B)
the direct ingestion of organic material.
C)
chemosynthesis.
D)
A and B.
E)
all of the above.
4
Zooplankton are:
A)
herbivores.
B)
carnivores.
C)
omnivores.
D)
A and B.
E)
A, B, or C.
5
Baleen whales feed mainly on:
A)
copepods.
B)
krill.
C)
chaetognaths.
D)
radiolarians.
E)
foraminiferans.
6
Plankton cells are autotrophic. This means they:
A)
are self-feeding.
B)
move independently of each other.
C)
reproduce asexually.
D)
require normal salinity.
E)
require sunlight.
7
The smallest plankton are the:
A)
nannoplankton.
B)
microplankton.
C)
ultraplankton.
D)
net plankton.
E)
meroplankton.
8
A rapid increase in phytoplankton population that can discolor the water is called a:
A)
growth spurt.
B)
bloom.
C)
explosion.
D)
expansion.
E)
inundation.
9
Zooplankton are:
A)
herbivores.
B)
carnivores.
C)
omnivores.
D)
all of the above.
E)
none of the above.
10
Some phytoplankton have whip-like appendages called ______ that are used for limited mobility.
A)
tails
B)
wings
C)
swooshes
D)
limbs
E)
flagella
11
Baleen whales feed on:
A)
krill.
B)
euphausids.
C)
coccolithophores.
D)
diatoms.
E)
A and B above.
12
Copepods and euphausids double their populations ______ each year.
A)
once
B)
ten to fifteen times
C)
three to four times
D)
six to eight times
E)
about ten times
13
Jellyfish are members of a group of animals called:
A)
Coelenterata or Cnidaria.
B)
Tintinnids.
C)
Ctenophores.
D)
Chaetognaths.
E)
Euphausia.
14
Zooplankton that spend only a portion of their lives as plankton are called:
A)
holoplankton.
B)
meroplankton.
C)
benthoplankton.
D)
auxoplankton.
E)
ctenoplankton.
15
Which of the following organisms spend a portion of their lives as plankton?
A)
snails
B)
barnacles
C)
starfish
D)
crabs
E)
All of the above are correct.
16
The most numerous organisms in the oceans are the:
A)
nekton.
B)
phytoplankton.
C)
benthos.
D)
zooplankton.
E)
bacteria.
17
Organisms that thrive under conditions that would be fatal to most other lifeforms are called:
A)
auxophiles.
B)
dangerphiles.
C)
hazardoids.
D)
extremophiles.
E)
none of the above.
18
Viruses:
A)
are highly successful parasites.
B)
are unable to carry on metabolic processes by themselves.
C)
can only replicate inside of a host cell.
D)
may infect planktonic bacteria.
E)
can do all of the above.
19
Toxic blooms of single-celled organisms that discolor the water are often called:
A)
green floods.
B)
red tides.
C)
brown pools.
D)
blue slicks.
E)
yellow stains.
20
A concentration of zooplankton in a thin layer along a pycnocline or at a preferred light intensity:
A)
can reflect sound.
B)
is called a deep scattering layer.
C)
can provide a rich food source for carnivorous phytoplankton.
D)
can do A and B above.
E)
can do none of the above.
2005 McGraw-Hill Higher Education
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