Question 1

Which group has caused such agricultural problems as downy mildew, potato blight, and an avocado disease?

Accepted Answer

A)   Protozoa
B)   Diatoms
C)   Cyanobacteria
D)   Slime molds
E)   Oomycetes

Question 2

Which of the following has pseudopods?

Accepted Answer

A)   Ciliate
B)   Apicomplexan
C)   Slime mold
D)   Amoeba
E)   Diatom

Question 3

Paralytic shellfish poisoning occurs when are eaten by humans or marine mammals.

Accepted Answer

A)   euglenids
B)   excavates
C)   diatoms
D)   diplomonads
E)   dinoflagellates

Question 4

In rhizarians, the _ extend through a calcium carbonate or silica shell.

Accepted Answer

The answer of In rhizarians, the _ extend through a...

Question 5

Which of the following is a characteristic of the organism that causes malaria?

Accepted Answer

A)   Prokaryotic
B)   Unicellular
C)   Multicellular
D)   Viral
E)   Photosynthetic

Question 6

The eyespot of a Euglena cell enables it to

Accepted Answer

A)   orient toward light.
B)   see images in black and white only.
C)   photosynthesize.
D)   see images in color.
E)   spot potential predators.

Question 7

Which group has silica shells similar to those of diatoms?

Accepted Answer

A)   Apicomplexans
B)   Ciliates
C)   Dinoflagellates
D)   Euglenids
E)   Radiolarians

Question 8

A man is brought to the hospital suffering from nausea, vomiting, and severe stomach cramps. He had recently returned from a hiking trip in northern Minnesota. A sample taken from the man shows a single- celled flagellate organism that lacks mitochondria but has two nuclei. This organism is a(n)

Accepted Answer

A)   green alga.
B)   diatom.
C)   euglenozoan.
D)   apicomplexan.
E)   excavate.

Question 9

Paralytic shellfish poisoning is caused by the group of protists known as .

Accepted Answer

The answer of Paralytic shellfish poisoning is caused by the...

Question 10

Which group of protists includes photosynthetic, individual cells that lack a rigid cell wall and move via a flagellum?

Accepted Answer

A)   Amoebas
B)   Water molds
C)   Diatoms
D)   Euglenids
E)   Slime molds

Question 11

One of the techniques for controlling the spread of malaria is to drape netting over the bed. What are the two reasons that this measure would prevent the spread of malaria?

Accepted Answer

Plasmodium rely on mosquitoes to spread ...

Question 12

A flagellated protist lives inside the guts of termites and enables the termites to digest the cellulose in wood as a food source. This protist belongs to the

Accepted Answer

A)   apicomplexans.
B)   Archaea.
C)   parabasalids.
D)   amoebas.
E)   ciliates.

Question 13

Anaerobic, flagellated protists such as Trichomonas are grouped as .

Accepted Answer

The answer of Anaerobic, flagellated protists such as Trichomonas are...

Question 14

Which protist group includes the water molds, diatoms, and brown algae?

Accepted Answer

A)   Excavates
B)   Stramenopiles
C)   Euglenids
D)   Slime molds
E)   Diplomonads

Question 15

Plasmodial slime molds are described as acellular because they

Accepted Answer

A)   reproduce asexually.
B)   are heterotrophic.
C)   have no membranes surrounding their nuclei.
D)   have no nuclei.
E)   lack DNA.

Question 16

Trypanosoma is a protistan parasite that causes in humans.

Accepted Answer

African sl...

Question 17

Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?

Accepted Answer

A)   Diatoms
B)   Euglenids
C)   Slime molds
D)   Apicomplexans
E)   Amoebas

Question 18

Beavers are major carriers of Giardia, which is a member of the group that can cause severe diarrhea in people who drink water that contains the organism's cysts.

Accepted Answer

The answer of Beavers are major carriers of Giardia, which...

Question 19

Chalk deposits are formed from the ancient remains of apicomplexans.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following characteristics distinguishes red algae from diatoms and dinoflagellates?

Accepted Answer

A)   One is multicellular, whereas the other is not.
B)   One lives in an aquatic environment.
C)   One is photosynthetic, whereas the other is not.
D)   One is eukaryotic, whereas the other is not.
E)   One is a protist, whereas the other is not.

Exam 21: The Diversity of Protists

In rhizarians, the _ extend through a calcium carbonate or silica shell.

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Which of the following characteristics distinguishes red algae from diatoms and dinoflagellates?

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Which group has silica shells similar to those of diatoms?

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Beavers are major carriers of Giardia, which is a member of the group that can cause severe diarrhea in people who drink water that contains the organism's cysts.

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Anaerobic, flagellated protists such as Trichomonas are grouped as .

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Which of the following has pseudopods?

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Plasmodial slime molds are described as acellular because they

Correct AnswerverifiedShow Answer

Paralytic shellfish poisoning is caused by the group of protists known as .

Correct AnswerverifiedShow Answer

A flagellated protist lives inside the guts of termites and enables the termites to digest the cellulose in wood as a food source. This protist belongs to the

Correct AnswerverifiedShow Answer

Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?

Correct AnswerverifiedShow Answer

Paralytic shellfish poisoning occurs when are eaten by humans or marine mammals.

Correct AnswerverifiedShow Answer

Which protist group includes the water molds, diatoms, and brown algae?

Correct AnswerverifiedShow Answer

Which group has caused such agricultural problems as downy mildew, potato blight, and an avocado disease?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of the organism that causes malaria?

Correct AnswerverifiedShow Answer

One of the techniques for controlling the spread of malaria is to drape netting over the bed. What are the two reasons that this measure would prevent the spread of malaria?

Correct AnswerverifiedPlasmodium rely on mosquitoes to spread ...View AnswerShow Answer

Trypanosoma is a protistan parasite that causes in humans.

Correct AnswerverifiedAfrican sl...View AnswerShow Answer

The eyespot of a Euglena cell enables it to

Correct AnswerverifiedShow Answer

A man is brought to the hospital suffering from nausea, vomiting, and severe stomach cramps. He had recently returned from a hiking trip in northern Minnesota. A sample taken from the man shows a single- celled flagellate organism that lacks mitochondria but has two nuclei. This organism is a(n)

Correct AnswerverifiedShow Answer

Chalk deposits are formed from the ancient remains of apicomplexans.

Correct AnswerverifiedShow Answer

Which group of protists includes photosynthetic, individual cells that lack a rigid cell wall and move via a flagellum?

Correct AnswerverifiedShow Answer

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Plasmodium rely on mosquitoes to spread ...
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African sl...
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