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Protist Quiz



Modified True/False
Indicate whether the statement is true or false.  If false, change the identified word or phrase to make the statement true.
 

 1. 

The kingdom Protista contains the eukaryotes that are not plants, animals, or fungi. _________________________

 

 2. 

Sexual reproduction with spores evolved in protists. _________________________

 

 3. 

Tissues, organs, and organ systems evolved in unicellular protists. _________________________

 

 4. 

Sexual reproduction allows Chlamydomonas to delay development of new organisms until environmental conditions are favorable. _________________________

 

 5. 

Amoebas move by means of pseudopodia. _________________________

 

 6. 

Diatoms are the only type of protists with single shells. _________________________

 

 7. 

Paramecium takes in food through its contractile vacuole. _________________________

 

 8. 

Cellular slime molds form a mass of cytoplasm that has many nuclei. _________________________

 

 9. 

Protists have an important effect on humans because they cause disease. _________________________

 

 10. 

Malaria is caused by the protist Plasmodium and is spread by the bite of certain fleas. _________________________

 

 11. 

Carrageenan is a product made by protists that is used to flavor many food products. _________________________

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 12. 

Which of the following is not true about some or all protists?
a.
unicellular and heterotrophic
c.
multicellular and autotrophic
b.
unicellular and autotrophic
d.
multicellular and prokaryotic
 

 13. 

The kingdom Protista does not include
a.
most of the single-celled eukaryotes.
c.
multicellular seaweed.
b.
slime and water molds.
d.
prokaryotes.
 

 14. 

Which of the following characteristics did not evolve in the Kingdom Protista?
a.
unicellularity
c.
membrane-bound organelles
b.
gametes
d.
complex cilia and flagella
 

 15. 

sexual reproduction : diversity ::
a.
flagella : cilia
c.
green algae : flagella
b.
multicellularity : tissues
d.
unicellularity : protists
 

 16. 

Eukaryotes that lack the features of animals, plants, or fungi are classified in the kingdom
a.
Archaebacteria.
c.
Protista.
b.
Plantae.
d.
Animalia.
 

 17. 

You have been given an unknown organism to identify. You find that it is unicellular and has a cell wall. Which of the following must it also have?
a.
chloroplasts
c.
pseudopodia
b.
asexual reproduction
d.
one or more flagella
 

 18. 

When Chlamydomonas reproduces sexually, it divides by mitosis, producing
a.
zygospores.
c.
haploid gametes.
b.
diploid gametes.
d.
zoospores.
 

 19. 

Zoospores are
a.
produced as a result of meiosis.
c.
produced as a result of mitosis.
b.
diploid.
d.
all parasitic.
 

 20. 

The haploid, gamete-producing phase in the life cycle of some multicellular protists is known as the
a.
zygospore generation.
c.
conjugation generation.
b.
gametophyte generation.
d.
sporophyte generation.
 

 21. 

The marine green alga Ulva reproduces sexually by
a.
alternation of generations.
c.
mitosis.
b.
conjugation.
d.
aggregation.
 

 22. 

Pseudopodia are used for
a.
Paramecium conjugation.
c.
Euglena reproduction.
b.
movement by amoebas.
d.
Paramecium mitosis.
 

 23. 

Amoebas capture food by
a.
engulfing it.
c.
trapping it with flagella.
b.
using cilia.
d.
taking it into an oral groove.
 

 24. 

When an individual diatom gets too small because of repeated division, it
a.
grows to full size in its existing shell.
b.
slips out of its shell, grows to full size, and regenerates a new shell.
c.
slips out of its shell, grows to full size, and reinhabits its old shell.
d.
slips out of its shell and lives the rest of its life without a shell.
 

 25. 

Algae are
a.
sometimes heterotrophic.
b.
always microscopic in size.
c.
found in fresh water, salt water, and damp soil.
d.
found only in fresh water.
 

 26. 

Red algae
a.
are multicellular.
c.
have eyespots.
b.
are unicellular.
d.
have double shells.
 

 27. 

Euglenoids are examples of protists that
a.
can be both autotrophic and heterotrophic.
b.
are only parasitic heterotrophs.
c.
are always autotrophic.
d.
swim away from light.
 

 28. 

dinoflagellates : flagella ::
a.
amoebas : pseudopodia
c.
ciliates : pseudopodia
b.
sporozoans : flagella
d.
amoebas : flagella
 

 29. 

The process in which two Paramecia come together to exchange parts of their genetic material is called
a.
mitosis.
c.
pollination.
b.
replication.
d.
conjugation.
 
 
nar001-1.jpg
 

 30. 

Refer to the illustration above. Excess water in the body of the Paramecium is forced back out by the structure labeled
a.
A
c.
D
b.
C
d.
E
 

 31. 

Refer to the illustration above. The structure that contains the cell’s chromosomes is labeled
a.
A
c.
C
b.
B
d.
E
 

 32. 

Refer to the illustration above. Structure C is the
a.
macronucleus.
c.
oral groove.
b.
contractile vacuole.
d.
micronucleus.
 

 33. 

Refer to the illustration above. The structure that controls routine cellular functions is labeled
a.
A
c.
C
b.
B
d.
D
 

 34. 

Funguslike protists reproduce by releasing
a.
gametes.
c.
zoospores.
b.
spores.
d.
plasmodia.
 

 35. 

Giardiasis is a disease that is spread
a.
by direct person-to-person contact.
c.
through contaminated water.
b.
through the air.
d.
by the Anopheles mosquito.
 

 36. 

Chagas disease is spread by
a.
kissing bugs.
c.
contaminated food.
b.
mosquitoes.
d.
contaminated water.
 

 37. 

Which of the following is not a human disease caused by a protist?
a.
amebic dysentery
c.
malaria
b.
toxoplasmosis
d.
tuberculosis.
 

 38. 

giardiasis : contaminated water ::
a.
amebic dysentery : mosquito
c.
malaria : mosquito
b.
amebic dysentery : giardiasis
d.
malaria : food contamination
 

 39. 

The protist that causes malaria reproduces in the
a.
intestine of a human.
c.
red blood cells of a human.
b.
red blood cells of a mosquito.
d.
stinger of a mosquito.
 

 40. 

Malaria is caused by several species of
a.
Toxoplasma.
c.
Giardia.
b.
Phytophthora.
d.
Plasmodium.
 

 41. 

The stage in the life cycle of Plasmodium in which it lives in mosquitoes and is injected into humans is called the
a.
gametophyte.
c.
sporophyte.
b.
sporozoite.
d.
zoospore.
 

 42. 

Symbiotic protists live in all of the following organisms except
a.
termites.
c.
cattle.
b.
corals.
d.
bacteria.
 

 43. 

Protists that play an important role in aquatic food webs are called
a.
plankton.
c.
anchovies.
b.
lichens.
d.
cyanobacteria.
 

 44. 

The evolution of the plant kingdom can be inferred by studying
a.
green algae.
c.
red algae.
b.
brown algae.
d.
dinoflagellates.
 

 45. 

A mass of cytoplasm that has many nuclei is a(n)
a.
spore.
c.
colony.
b.
plasmodium.
d.
amoeba.
 

 46. 

A protist that almost destroyed the entire potato crop in Ireland in 1846 is a
a.
plasmodial slime mold.
c.
dinoflagellate.
b.
cellular slime mold.
d.
water mold.
 

 47. 

A downy mildew gets nutrients by
a.
photosynthesis.
b.
absorbing them from the environment.
c.
making them from inorganic chemicals.
d.
making them from organic building blocks.
 

 48. 

When an algal bloom dies, the bacteria that decompose the algae
a.
deplete carbon dioxide levels in the water.
b.
kill the plankton population.
c.
deplete oxygen levels in the water.
d.
kill fish.
 

 49. 

A protist used by scientists to study cell movement and cell signaling is a
a.
dinoflagellate.
c.
paramecium.
b.
diatom.
d.
slime mold.
 

 50. 

Agar is a product used to grow bacteria. Agar comes from
a.
bacteria.
c.
diatoms.
b.
algae.
d.
amoebas.
 

Completion
Complete each statement.
 

 51. 

Two important features that evolved in the protists were multicellularity and sexual reproduction with the production of ____________________.
 

 

 52. 

The evolution of ____________________ allowed single-celled organisms to perform many functions at the same time.
 

 

 53. 

When ______________________________ evolved, protists could become genetically diverse.
 

 

 54. 

Although protists are diverse, they are all ____________________.
 

 
 
Life Cycle of Chlamydomonas
nar002-1.jpg
 

 55. 

Refer to the illustration above. Arrow B is pointing to a ____________________ in the life cycle.
 

 

 56. 

Refer to the illustration above. Arrow A is pointing to ____________________ in the life cycle.
 

 

 57. 

According to the illustration above, Chlamydomonas reproduces both sexually and ____________________.
 

 

 58. 

Some protists undergo sexual reproduction only at times of environmental ____________________.
 

 

 59. 

Ulva is characterized by two distinct multicellular phases: a diploid, spore producing phase called the ____________________ generation and a haploid, gamete-producing phase called the ____________________ generation.
 

 
 
nar003-1.jpg
 

 60. 

Refer to the illustration above. The organism shown in A moves and obtains food by means of ____________________.
 

 

 61. 

Refer to the illustration above. The organism shown in C moves by means of ____________________.
 

 

 62. 

Refer to the illustration above. The organism shown in B moves by means of ____________________.
 

 

 63. 

Some amoeboid protists have porous shells called ____________________.
 

 

 64. 

____________________ have double shells that resemble small boxes with lids.
 

 

 65. 

The large brown algae that grow along coasts are called ____________________.
 

 

 66. 

Protists that are strict photoautotrophs are called ____________________.
 

 

 67. 

Poisonous “red tides” are caused by population explosions of ____________________.
 

 

 68. 

Brown algae are the only algae that form more than one kind of ____________________.
 

 

 69. 

Some protists have ____________________ that contain light-sensitive pigments.
 

 

 70. 

____________________ disease is a protist-caused disease that is transmitted by kissing bugs.
 

 

 71. 

Disease-causing protists are transmitted mainly by insects or by contaminated ____________________ and ____________________.
 

 

 72. 

The stage of Plasmodium that infects the liver is called the ____________________; the second stage of the Plasmodium life cycle, which infects red blood cells, is called the ____________________.
 

 

 73. 

Plantlike protists produce ____________________, which allows most forms of life to live on Earth.
 

 

 74. 

____________________ are related to green algae and are thought to have evolved from them.
 

 

 75. 

Funguslike protists resemble fungi in that they reproduce with ____________________ and they ____________________ nutrients from their environment.
 

 

 76. 

Cellular slime molds usually exist as single-celled amoebas, but they form ____________________ and release ____________________ when food or water is scarce.
 

 

 77. 

A water mold caused the great potato famine in ____________________ in 1846.
 

 

 78. 

The empty shells of diatoms are used as ____________________ in cleaning agents.
 

 

 79. 

Red algae produce carrageenan, which is used in the food industry to ____________________ foods such as ice cream and salad dressings.
 

 



 
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