Bio I Ch. 20 Test B
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A protist is any organism that is not a plant, an animal, a fungus, or
a(an)
a. | eukaryote. | c. | eubacterium. | b. | prokaryote. | d. | archaebacterium. |
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2.
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In an amoeba, a small cavity within the cytoplasm that stores food is called
a
a. | gullet. | c. | food vacuole. | b. | pseudopod. | d. | contractile
vacuole. |
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3.
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To which phylum do amoebas, foraminifers, and heliozoans belong?
a. | sarcodines | c. | sporozoans | b. | ciliates | d. | pseudopods |
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4.
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The zooflagellate Trypanosoma causes the disease known as
a. | malaria. | c. | amebic dysentery. | b. | African sleeping sickness. | d. | algal bloom. |
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5.
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Which substances allow algae to harvest and use the energy from sunlight?
a. | cilium and fucoxanthin | c. | phycobilin and flagellum | b. | chlorophyll and
accessory pigments | d. | oogonium
and antheridium |
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6.
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Euglenas have an intricate, folded cell membrane called a(an)
a. | cell wall. | c. | eyespot. | b. | trichocyst. | d. | pellicle. |
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7.
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An algal bloom is
a. | the clouding of water by sewage. | b. | an enormous mass of algae. | c. | a symbiotic
relationship between algae and coral. | d. | none of the
above |
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8.
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An example of a multicellular green alga is
a. | Ulva. | c. | Volvox. | b. | Chlamydomonas. | d. | Fucus. |
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9.
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The switching back and forth between a diploid and haploid stage in a life cycle
is called
a. | alternation of generations. | b. | fusion of opposite mating
types. | c. | sexual reproduction. | d. | asexual
reproduction. |
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10.
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The green alga Chlamydomonas reproduces asexually by producing
a. | gametophytes. | c. | zygotes. | b. | sporophytes. | d. | zoospores. |
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11.
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What very large type of algae lives off the coasts of North America?
a. | rockweed | c. | giant kelp | b. | sea lettuce | d. | Irish moss |
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12.
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Which of the following groups includes only funguslike protists?
a. | cellular slime molds, brown algae, water molds | b. | cellular slime
molds, acellular slime molds, water molds | c. | cellular slime molds, acellular slime molds,
animallike protists | d. | cellular slime molds, fungi, water
molds |
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13.
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The funguslike protists that thrive on dead or decaying organic matter in water
are
a. | water molds. | c. | cellular slime molds. | b. | acellular slime
molds. | d. | true
fungi. |
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14.
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When the amoebalike cells of acellular slime molds fuse, they form structures
with many nuclei called
a. | plasmodia. | c. | spores. | b. | zoosporangia. | d. | filaments. |
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15.
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Organisms that break down organic material include the
a. | funguslike protists. | c. | plantlike protists. | b. | animallike protists. | d. | none of the
above |
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Completion
Complete each
statement using the following
wordbank.
protists
sunlight red
blood
malaria heterotrophs
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16.
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Eukaryotes that are not members of the kingdoms Plantae, Animalia, or Fungi are
____________________.
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17.
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The sporozoan Plasmodium, carried from host to host by mosquitoes, causes
____________________, a very serious infectious disease.
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18.
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In the human body, Plasmodium first infects liver cells and then
____________________ cells, causing them to burst.
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19.
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Chlorophyll and accessory pigments allow algae to harvest and use the energy of
____________________.
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20.
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Funguslike protists are ____________________ that absorb nutrients from dead or
decaying organic matter.
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