Glencoe Biology

Chapter 19: Protists

Standardized Test Practice

1.
Which of these is not one of the three main groups of protists?
A)virus-like
B)animal-like
C)plantlike protists
D)funguslike protists
2.
The ____ is an example of an animal-like protist.
A)giant kelp
B)amoeba
C)water mold
D)diatom
3.
What theory describes the evolutionary development shown here?

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A)ancestral theory
B)origin theory
C)endosymbiosis
D)spontaneous generation
4.
Protozoans that live inside termites and digest wood are called ____.
A)dinoflaggelates
B)microsporidia
C)ciliophora
D)paramecia
5.
Why are water molds considered to be funguslike protists?
A)feed on decaying matter
B)obtain nutrients by photosynthesis
C)have no cell walls
D)are heterotrophic
6.
Structures called ____ enable some kinds of protozoans to move.
A)pellicles
B)trichocysts
C)cilia
D)vacuoles
7.
The membrane surrounding a paramecium is called a ____.
A)gullet
B)trichocyst
C)contractile vacuole
D)pellicle
8.
Which of the structures shown here expels excess water?

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A)contractile vacuole
B)trichocyst
C)macronucleus
D)micronucleus
9.
A structure shown here called a ____ is used for feeding by enveloping smaller organisms.

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A)food vacuole
B)nucleus
C)contractile vacuole
D)pseudopod
10.
What reproductive process occurs in ciliates when the macronucleus elongates and splits?
A)mitosis
B)conjugation
C)binary fission
D)waste removal
11.
Plantlike protists are commonly called ____.
A)algae
B)sarcodina
C)amoebas
D)water molds
12.
Which structure in this euglenoid is not also found in a paramecium?

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A)contractile vacuole
B)eye spot
C)gullet
D)pellicle
13.
Which of these is not a characteristic of some dinoflagellates?
A)exhibit bioluminescence
B)move in spinning motion
C)move with flagella
D)obtain nutrients from decaying matter
14.
During which stage of this process is a new full-sized diatom produced?

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A)asexual reproduction
B)fusion of gametes
C)meiosis
D)gamete formation
15.
How is the oil stored in diatoms significant for their functioning?
A)prevents sunlight exposure
B)provides alternative to photosynthesis
C)increases buoyancy so they float closer to sunlight
D)crucial for reproduction
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