Question 1

A protozoan cyst differs from a helminth egg in that

Accepted Answer

A)  a cyst is metabolically active, but an egg is not.
B)  cysts have a uniform structure, but eggs have a wide variety of morphologies.
C)  the cyst can germinate to form the organism but the egg must be fertilized.
D)  the chromosome is free in the cytoplasm of a cyst, but enclosed in a nucleus in an egg.E) B) and C)
F) All of the above

Question 2

An organelle that is a stack of flattened, membranous sacs and functions to receive, modify, and package proteins for secretion is the ______.

Accepted Answer

A)  mitochondrion
B)  endoplasmic reticulum
C)  chloroplast
D)  Golgi apparatus
E)  lysosomeF) D) and E)
G) A) and C)

Question 3

Fungi can reproduce both sexually and asexually.

Accepted Answer

A) True 
 B)False

Question 4

The cytoskeleton

Accepted Answer

A)  anchors organelles.
B)  provides architectural support.
C)  functions in movements of the cytoplasm.
D)  helps maintain cell shape.
E)  All of the choices are correct.F) B) and E)
G) C) and D)

Question 5

Which of the following statements is correct?

Accepted Answer

A)  All saprobes are heterotrophic, but only some are parasitic.
B)  All heterotrophs are fungi, and include both parasites and saprobes.
C)  All heterotrophs are parasites, but only some are saprobes.
D)  All fungi, whether parasite or saprobe, are heterotrophs.E) B) and D)
F) B) and C)

Question 6

All of the following are helminths except ______.

Accepted Answer

A)  tapeworms
B)  flukes
C)  trypanosomes
D)  roundworms
E)  pinwormsF) A) and C)
G) C) and D)

Question 7

Which of the following is not a function of the eukaryotic glycocalyx?

Accepted Answer

A)  Protection
B)  Reception of chemical signals
C)  Adherence
D)  MovementE) All of the above
F) A) and D)

Question 8

Protozoan endoplasm contains ______.

Accepted Answer

A)  cilia
B)  oral grooves
C)  ectoplasm
D)  flagella
E)  mitochondriaF) All of the above
G) A) and B)

Question 9

Chitin is a chemical component of the cell walls of ______.

Accepted Answer

A)  helminths
B)  protozoa
C)  algae
D)  fungi
E)  bacteriaF) A) and B)
G) C) and E)

Question 10

Fungi reproduce sexually less frequently than asexually.What might be the reason behind this infrequency of sexual reproduction?

Accepted Answer

A)  Sexual reproduction requires two genetically different strains of the fungus to come together.
B)  Sexual reproduction is more energy-intensive than asexual reproduction.
C)  In asexual reproduction, one parent divides.
D)  All statements are true.E) B) and D)
F) None of the above

Question 11

The vesicle that originates from the Golgi apparatus and contains a variety of digestive enzymes is the ______.

Accepted Answer

A)  ribosome
B)  magnetosome
C)  centrosome
D)  lysosome
E)  inclusionF) A) and D)
G) A) and B)

Question 12

Mitochondria possess all of the following except ______.

Accepted Answer

A)  cristae
B)  70S ribosomes
C)  enzymes for photosynthesis
D)  electron carriers
E)  metabolic enzymesF) C) and E)
G) C) and D)

Question 13

Amoebic dysentery is most commonly contracted through

Accepted Answer

A)  contaminated blood products.
B)  insect bites.
C)  puncture wounds.
D)  the fecal-oral route from contaminated food or water.
E)  direct transmission from one host to another.F) B) and C)
G) C) and E)

Question 14

After returning from a trip to Africa, Tom feels tired and weak and has severe anemia.A blood smear reveals a protozoan in his blood and the health care provider diagnoses malaria.Which of the following could be the causative agent of this disease?

Accepted Answer

A)  Plasmodium vivax
B)  Giardia lamblia
C)  Trichophyton rubrum
D)  Taenia solium
E)  HIVF) B) and C)
G) B) and D)

Question 15

Infections caused by fungi are called mycoses.

Accepted Answer

A) True 
 B)False

Question 16

The two major groups of helminths are the ______ and the ______.

Accepted Answer

A)  roundworms; pinworms
B)  roundworms; flatworms
C)  tapeworms; flukes
D)  cestodes; trematodesE) A) and B)
F) C) and D)

Question 17

A protozoan having a flagellum would be classified in the genus ______.

Accepted Answer

A)  Entamoeba
B)  Toxoplasma
C)  Trypanosoma
D)  Enterobius
E)  PlasmodiumF) C) and E)
G) B) and C)

Question 18

Most fungi obtain nutrients from dead plants and animals.These fungi are called ______.

Accepted Answer

A)  mutualistic
B)  saprobes
C)  free-living
D)  parasites
E)  antagonistsF) A) and E)
G) B) and E)

Question 19

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and cilia.

Accepted Answer

A)  microtubules
B)  active proteins
C)  cilia
D)  endoflagella
E)  filamentsF) B) and E)
G) A) and B)

Question 20

All fungi can form hyphae.

Accepted Answer

A) True 
 B)False

Exam 5: Eukaryotic Cells and Microorganisms

A protozoan cyst differs from a helminth egg in that

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Most fungi obtain nutrients from dead plants and animals.These fungi are called ______.

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Chitin is a chemical component of the cell walls of ______.

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Amoebic dysentery is most commonly contracted through

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After returning from a trip to Africa, Tom feels tired and weak and has severe anemia.A blood smear reveals a protozoan in his blood and the health care provider diagnoses malaria.Which of the following could be the causative agent of this disease?

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Which of the following is not a function of the eukaryotic glycocalyx?

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Protozoan endoplasm contains ______.

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The two major groups of helminths are the ______ and the ______.

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Fungi can reproduce both sexually and asexually.

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An organelle that is a stack of flattened, membranous sacs and functions to receive, modify, and package proteins for secretion is the ______.

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A protozoan having a flagellum would be classified in the genus ______.

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Mitochondria possess all of the following except ______.

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Fungi reproduce sexually less frequently than asexually.What might be the reason behind this infrequency of sexual reproduction?

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The cytoskeleton

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There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and cilia.

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Which of the following statements is correct?

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Infections caused by fungi are called mycoses.

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All of the following are helminths except ______.

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All fungi can form hyphae.

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The vesicle that originates from the Golgi apparatus and contains a variety of digestive enzymes is the ______.

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The two major groups of helminths are the and the .

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