Zoology, 8th Edition (Miller)

Chapter 8: Animal-like Protists: The Protozoa

Quiz



1.

Which of the following is characteristic of protozoa?
A)polyphyletic
B)some are autotrophs
C)some are heterotrophs
D)all of the above (a-c)
2.

Reproduction in protozoa involves
A)binary fission.
B)asexual reproduction.
C)sexual reproduction.
D)all of the above (a-c).
3.

Asexual reproduction that occurs in protozoa includes all of the following except
A)budding.
B)schizogony.
C)multiple fission.
D)conjugation.
4.

The type of symbiotic relationship where both species benefit is termed
A)parasitism.
B)commensalism.
C)mutualism.
D)symbiosis.
5.

The specialized region in protozoa that is analogous to a mouth is the
A)vacuole.
B)cytopyge.
C)food vacuole.
D)cytopharynx.
6.

Protozoans in this super group feed by a flagella-generated current and include Giardia, Trypanosoma, and Dinoflagellates.
A)Chromalveolata
B)Rhizaria
C)Amoebozoa
D)Excavata
7.

Which of the following does not belong to the super group Chromalveolata?
A)Ciliophora
B)Euglena
C)Toxoplasma
D)Plasmodium
8.

Sleeping sickness in humans is caused by
A)trypanosomes.
B)Amoeba.
C)euglenoids.
D)all of the above (a-c).
9.

Which of the following is not a type of pseudopodium found in the amoebae?
A)lobopodia
B)filopodia
C)reticulopodia
D)rizopodia
10.

Which of the following is not a marine protozoan?
A)foraminiferans
B)heliozoans
C)radiolarians
D)Giardia
11.

When schizogony produces merozoites, it is called
A)gametogony.
B)merogony.
C)sporogony.
D)sexual reproduction.
12.

In the life cycle of Plasmodium, merozoites are formed in the
A)mosquito gut.
B)red blood cells.
C)liver.
D)spleen.
13.

Organisms in this super group move via temporary extensions called lobopodia.
A)Excavata
B)Amoebozoa
C)Rhizaria
D)Chromalveolata
14.

Toxoplasmosis is a common disease that often occurs in AIDS patients.
A)True
B)False
15.

In ciliated protozoans, the defensive structures are the trichocysts.
A)True
B)False
16.

Ciliates reproduce sexually by binary fission.
A)True
B)False
17.

Based on ribosomal RNA sequences, the protozoans appear to be a polyphyletic group.
A)True
B)False
18.

A single large mitochondrion that contains an organized mass of DNA is called a pyrenoid.
A)True
B)False
19.

Most ciliates are free living.
A)True
B)False
20.

Ciliates have four kinds of nuclei.
A)True
B)False
21.

Cilia are generally similar to flagella except that they are much longer.
A)True
B)False
22.

The protozoans that cause malaria are in the super group Chromalveolata.
A)True
B)False
23.

Giardiasis is contracted by drinking untreated water from streams and lakes, typically in mountainous areas, particularly where there are a great number of hikers and back-packers.
A)True
B)False
24.

Tsetse flies are the intermediate host for the protozoan (Giardia spp.) that causes giardiasis.
A)True
B)False
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