Question 1

Most Chromalveolates have the alternation of generations life cycle, but some species of Fungus have a diplontic life cycle.

Accepted Answer

A) True 
 B)False

Question 2

A flagellated protist that is sexually transmitted is

Accepted Answer

A)   Plasmodium.
B)   Giardia.
C)   Entamoeba.
D)   Trichomonas.
E)   Paramecium.F) A) and E)
G) C) and D)

Question 3

Saprolegnia, a ________, is feeding on the dead goldfish pictured here. This classifies it as a heterotrophic protist.

Accepted Answer

A)   slime mold
B)   ciliate
C)   water mold
D)   green algaeE) A) and C)
F) A) and D)

Question 4

Which description best supports the endosymbiotic theory of organelles?

Accepted Answer

A)   Eukaryotic cells acquired mitochondria and plastids by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from anaerobic bacterium while choloroplasts were derived from aerobic bacterium.
B)   Eukaryotic cells acquired mitochondria and plastids by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from aerobic bacterium while choloroplasts were derived from cyanobacterium.
C)   Eukaryotic cells acquired nuclei and flagella by engulfing free-living bacteria and developed a symbiotic relationship with them. Nuclei were derived from aerobic bacterium while flagella were derived from motile bacteria.
D)   Eukaryotic cells acquired mitochondria and flagella by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from aerobic bacterium while flagella were derived from motile bacteria.E) C) and D)
F) All of the above

Question 5

Supergroup Opisthokinta includes all of the following organisms EXCEPT

Accepted Answer

A)   animals.
B)   plants.
C)   fungi.
D)   choanoflagellates.E) B) and C)
F) A) and B)

Question 6

Which organelles serve as the energy centers for most Protists?

Accepted Answer

A)   mitochondria and plastids
B)   chloroplasts and Golgi Bodies
C)   mitochondria and Endoplasmic reticulum
D)   mitochondria and nucleusE) B) and D)
F) A) and B)

Question 7

Describe the life cycle of Plasmodium vivax and explain how humans fit into its' life cycle.

Accepted Answer

Answers may vary but should include:
1. ...

Question 8

Which feature has to be present in a protist in order to classify it as a photoautotroph?

Accepted Answer

A)   The presence of mitochondria within the cell.
B)   The ability to synthesize organic compounds.
C)   The presence of a light trapping pigment.
D)   The presence of cellulose in the cell wall.
E)   The ability to synthesize inorganic compounds.F) A) and B)
G) None of the above

Question 9

Which of the following organisms belong to the supergroup Excavates?

Accepted Answer

A)   Euglenoids, Amoeboids & cellular slime molds
B)   Diplomonads, euglenoids & parabasalids
C)   Diplomonads, euglenoids & diatoms
D)   Foraminiferans, radiolarians & fungiE) All of the above
F) A) and B)

Question 10

Diatoms share a more recent common ancestor with dinoflagellates than with water molds.

Accepted Answer

A) True 
 B)False

Question 11

The term "protists" is used to refer to eukaryotes that are not plants, animals or fungi.

Accepted Answer

A) True 
 B)False

Question 12

_________ is a mixotrophic protozoan that is able to combine autotrophic and heterotrophic nutritional modes.

Accepted Answer

A)   Euglena
B)   Plasmodium
C)   Amoeba
D)   GiardiaE) A) and B)
F) A) and C)

Question 13

Which of the following organisms belong to the supergroup Amoebozoans?

Accepted Answer

A)   Amoeboids and euglenoids
B)   Plasmodial and water molds
C)   Plasmodial and cellular slime molds
D)   Cellular slime molds and radiolarians
E)   Choanoflagellates and diplomonadsF) A) and B)
G) B) and E)

Question 14

"Red tides" are produced by massive blooms of

Accepted Answer

A)   Archaeplastids.
B)   Chromalveolates.
C)   Excavates.
D)   Amoebozoans.
E)   Rhizarians.F) All of the above
G) B) and E)

Question 15

Which of the characteristic(s)  apply to the Supergroup Archaeplastida?

Accepted Answer

A)   They contain plastids that originated from endosymbiotic cyanobacteria.
B)   They include multicellular and unicellular organisms.
C)   They include land plants and the green algae, Chlorophyta.
D)   All of these apply.
E)   They include only multicellular organisms that contain plastids.F) B) and C)
G) D) and E)

Question 16

Water molds are heterotrophic because they are parasitic on fish, plants, and insects.

Accepted Answer

A) True 
 B)False

Question 17

Identify the organism in the picture and the Supergroup it belongs to. What characteristic(s) helped you to identify the organism?

Accepted Answer

The organism is a dinoflagellate that be...

Question 18

A common cause of amoebic dysentery is

Accepted Answer

A)   Trichomonas vaginalis.
B)   Entamoeba histolytica.
C)   Plasmodium falciparum.
D)   Giardia intestinalis.E) B) and D)
F) C) and D)

Question 19

Protist reproduction

Accepted Answer

A)   is always asexual fission.
B)   is always sexual with the adult haploid.
C)   is always sexual with the adult diploid.
D)   is always sexual with alternation of haploid and diploid generations.
E)   may be asexual or any of these sexual cycles.F) D) and E)
G) A) and B)

Question 20

Chromalveolates that live along the rocky shores of the north temperate zones are able to withstand pounding tides and drying because of their holdfasts and mucilaginous cell walls.

Accepted Answer

A) True 
 B)False

Exam 21: Protist Evolution and Diversity

Which organelles serve as the energy centers for most Protists?

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A flagellated protist that is sexually transmitted is

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Diatoms share a more recent common ancestor with dinoflagellates than with water molds.

Correct AnswerverifiedShow Answer

Protist reproduction

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Which feature has to be present in a protist in order to classify it as a photoautotroph?

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Which of the following organisms belong to the supergroup Excavates?

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_________ is a mixotrophic protozoan that is able to combine autotrophic and heterotrophic nutritional modes.

Correct AnswerverifiedShow Answer

A common cause of amoebic dysentery is

Correct AnswerverifiedShow Answer

Most Chromalveolates have the alternation of generations life cycle, but some species of Fungus have a diplontic life cycle.

Correct AnswerverifiedShow Answer

Water molds are heterotrophic because they are parasitic on fish, plants, and insects.

Correct AnswerverifiedShow Answer

Supergroup Opisthokinta includes all of the following organisms EXCEPT

Correct AnswerverifiedShow Answer

Chromalveolates that live along the rocky shores of the north temperate zones are able to withstand pounding tides and drying because of their holdfasts and mucilaginous cell walls.

Correct AnswerverifiedShow Answer

Which of the characteristic(s) apply to the Supergroup Archaeplastida?

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Describe the life cycle of Plasmodium vivax and explain how humans fit into its' life cycle.

Correct AnswerverifiedAnswers may vary but should include:1. ...View AnswerShow Answer

"Red tides" are produced by massive blooms of

Correct AnswerverifiedShow Answer

Which description best supports the endosymbiotic theory of organelles?

Correct AnswerverifiedShow Answer

Saprolegnia, a ________, is feeding on the dead goldfish pictured here. This classifies it as a heterotrophic protist.

Correct AnswerverifiedShow Answer

Which of the following organisms belong to the supergroup Amoebozoans?

Correct AnswerverifiedShow Answer

Identify the organism in the picture and the Supergroup it belongs to. What characteristic(s) helped you to identify the organism?

Correct AnswerverifiedThe organism is a dinoflagellate that be...View AnswerShow Answer

The term "protists" is used to refer to eukaryotes that are not plants, animals or fungi.

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Answers may vary but should include:
1. ...
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The organism is a dinoflagellate that be...
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