Integrated Principles of Zoology 16th Edition Hickman-Keen-Larson-Roberts – Test Bank

Chapter 11

Unicellular Eukaryotes

Multiple Choice Questions

Which is NOT a correct description of a member of a protozoan group?
A.usually motile
B. development involves an embryonic stage
C. small; about 21,000 micrometers in size
D. usually unicellular; if multicellular, without somatic differentiation
E. All of the choices are correct

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Section: How Do We Define Protozoan Groups
Topic: How Do We Define Protozoan Groups

The most correct usage of the term “protozoa” is as a(n)
A.phylum.
B. class.
C. separate kingdom.
D. synonym for Protista.
E. informal cluster of groups with complicated and uncertain phyletic relationships.

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Section: How Do We Define Protozoan Groups
Topic: How Do We Define Protozoan Groups

Compared to metazoans, what is the correct perspective on cellular organization of unicellular eukaryotes?
A.They are comparatively simpler with fewer structures or organelles than the metazoans.
B. They are more limited in their organization and function than a metazoan cell.
C. They are equivalent, no more complex nor simpler.
D. They are complex and must accomplish within a cell the functions that several specialized cells accomplish in metazoa.
E. None of the choices are correct.

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Section: How Do We Define Protozoan Groups
Section: Naming and Identification of Unicellular Eukaryotic Taxa
Topic: How Do We Define Protozoan Groups
Topic: Naming and Identification of Unicellular Eukaryotic Taxa

Nutrition in unicellular eukaryotes is best described as
A.autotrophic.
B. heterotrophic.
C. saprozoic.
D. All of the choices are correct.
E. None of the choices are correct.

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Section: Functional Components of Eukaryotic Cells
Topic: Functional Components of Eukaryotic Cells

Which of the following is/are correct descriptions of unicellular eukaryote characteristics?
A.As primitive organisms, they are restricted to asexual reproduction.
B. No germ layers are ever formed.
C. They are all aquatic.
D. When found in other organisms, they are typically parasitic or pathogenic.
E. They all lack symmetry.

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Section: How Do We Define Protozoan Groups
Topic: How Do We Define Protozoan Groups

When a nucleus has chromatin that is clumped, leaving clear areas within the nucleus, the appearance is described as
A.pellicular.
B. vesicular.
C. micronuclear.
D. kinetosomic.
E. spicular.

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Section: Functional Components of Eukaryotic Cells
Topic: Functional Components of Eukaryotic Cells

Which organelle was once an independent aerobic prokaryote engulfed by an anaerobic prokaryote?
A.nucleus
B. mitochondrion
C. plastid
D. ribosome
E. endoplasmic reticulum

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Section: Functional Components of Eukaryotic Cells
Topic: Functional Components of Eukaryotic Cells

The protozoan dictyosome is called what in other eukaryotes?
A.ribosome
B. mitochondrium
C. endoplasmic reticulum
D. golgi apparatus
E. plastid

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Section: Functional Components of Eukaryotic Cells
Topic: Functional Components of Eukaryotic Cells

Ectoplasm
A.provides the vital force of life.
B. is cytoplasm that is outside the cell membrane of protozoans.
C. is only found in parasitic amebas.
D. is only found in spores of parasitic protozoans.
E. contrasts with endoplasm; both ectoplasm and endoplasm are cytoplasmic components.

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Section: Form and Function
Topic: Form and Function

Which unicellular eukaryote is NOT correctly linked to the type of movement structure it possesses?
A. Amoeboids-pseudopodia
B.  Ciliates-cilia
C.  Dinoflagellates-flagella
D.  Paramecium-flexibility of the pellicle
E.  Apicomplexa-reticulopodia