Biology (Mader), 10th Edition

Chapter 21: Protist Evolution and Diversity

Post-Test

1
Protists are classified in the domain _____.
A)Bacteria
B)Archaea
C)Eukarya
2
Some parasitic protists pass from host to host when food and water are contaminated by _____-containing feces.
A)endospore
B)sperm
C)cyst
D)zygote
3
Which of the following is a disease caused by a protist?
A)AIDS
B)Mad cow disease
C)Malaria
D)Tuberculosis
4
Protists are _____.
A)unicellular
B)multicellular
C)of two types; some are unicellular, others are multicellular
5
Protists which combine autotrophic and heterotrophic nutritional modes are termed:
A)endosymbiotic
B)charophytes
C)mixotrophic
D)laminaria
6
Protist contributions to the functioning of the biosphere include _____.
A)performing photosynthesis
B)decomposing dead organic material
C)forming symbiotic relationships with other living things
D)All of the above
7
A reproductive structure that produces spores by meiosis is called a _____.
A)pellicle
B)sporangium
C)plasmodium
D)micronucleus
8
Slime molds and water molds all _____.
A)have flagellated cells at some time during their life cycle
B)have cell walls
C)form parasitic relationships with other organisms
D)All of these
9
Water molds have a cell wall that contains _____.
A)cellulose
B)chitin
C)silica
D)All of these
10
Slime molds and water molds _____.
A)make their food by photosynthesis
B)ingest their food by phagocytosis
C)synthesize their food from inorganic material
D)None of these
11
The production of oxygen and food by the _____ contributes significantly to the health of the biosphere.
A)water molds
B)paramecium
C)diatoms
D)sporozoans
12
A red tide in the ocean is caused by an increase in the number of _____.
A)dinoflagellates
B)brown algae
C)euglenoids
D)diatoms
13
Brown algae store their reserve food as _____.
A)cellulose
B)laminarin
C)glycogen
D)chitin
14
Protozoan single-celled, flagellated excavates are able to survive in environments with very low oxygen levels because they _______.
A)have mitochondria and don’t use fermentation for ATP production
B)lack chloroplasts and use fermentation for ATP production
C)have chloroplasts and don’t use fermentation for ATP production
D)lack mitochondria and use fermentation for ATP production
15
Fungi associate with _____ to form lichens.
A)diatoms
B)brown algae
C)amoeboids
D)green algae
16
Green algae are believed to be closely related to the first plants because both groups _____.
A)possess chlorophylls a and b
B)have a cell wall that contains chitin
C)store reserve food as glycogen
D)All of these
17
Which of the following statements is false about malaria?
A)The Anopheles mosquito may infect humans and other animals.
B)The infection rate of this disease is being reduced throughout the world.
C)The characteristic changes the life cycle produce regular changes in body temperature, resulting in cycles of chills and fever.
D)Plasmodium reproduces sexually in the mosquito and asexually in the human body.
18
____________ are economically important in that they provide components to make agar, the gel for electrophoresis, capsules for vitamins, and as an anti-drying agent.
A)Green algae
B)Red algae
C)Brown algae
D)All of these
19
Foraminiferan and radiolarian tests are found at different sediment layers on the ocean floor due to the______________.
A)ability of the glassy radiolarian tests to be insoluable at greater pressures
B)ability of the calcium carbonate foraminiferan tests to be insoluable at greater pressures
C)internal placement of the glassy test in radiolarians
D)presence of both as an indicator of oil deposits
20
Which of the following depend on pseudopods for locomotion?
A)zooflagellates
B)ameboids
C)sporozoans
D)ciliates
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