Question 1

A biologist is studying a multinucleated,cytoplasmic mass of cells which creeps along,phagocytizing plant material as it moves,which would be best termed a(n)

Accepted Answer

A)  cellular slime mold.
B)  water mold.
C)  amoeboid.
D)  plasmodial slime molD.
E)  radiolarian.F) A) and B)
G) A) and C)

Question 2

The valves of a diatom are made of silica.

Accepted Answer

A) True 
 B)False

Question 3

-This figure shows the anatomy of a Paramecium.What does "e" represent?

Accepted Answer

A)  micronucleus
B)  trichocyst
C)  contractile vacuole
D)  oral grove
E)  food vacuoleF) None of the above
G) B) and D)

Question 4

Which organism has chloroplasts containing pyrenoids?

Accepted Answer

A)  Giardia
B)  Euglena
C)  Trypanosoma
D)  Trichomonas
E)  AmoebaF) B) and D)
G) D) and E)

Question 5

If you were studying extensions that form when cytoplasm streams in a particular direction you would be studying

Accepted Answer

A)  contractile vacuoles.
B)  pseudopods.
C)  food vacuoles.
D)  the nucleolus.
E)  the mitochondria.F) A) and C)
G) A) and E)

Question 6

You are in a boat just off the coast of California and notice some extremely large seaweed floating on the surface of the ocean.Based on what you learned in your Biology class you would conclude that you are looking at

Accepted Answer

A)  brown algae.
B)  green algae.
C)  red algae.
D)  diatoms.
E)  dinoflagellates.F) C) and E)
G) A) and C)

Question 7

You are looking through a microscope at a green alga sample taken from a pond.The alga is unicellular and has two flagella.Based on this information you would conclude that you are probably looking at which alga?

Accepted Answer

A)  Ulva
B)  Volvox
C)  Laminaria
D)  Chlamydomonas
E)  SpirogyraF) A) and E)
G) B) and C)

Question 8

The algae that help build coral reefs are

Accepted Answer

A)  diatoms.
B)  radiolarians.
C)  green algae.
D)  red algae.
E)  brown algaE.F) All of the above
G) B) and C)

Question 9

What is a use that humans have for brown algae?

Accepted Answer

A)  to make agar for bacterial culture
B)  to make fertilizer
C)  to make antibiotics
D)  to produce limestone
E)  to use as fuelF) All of the above
G) C) and D)

Question 10

How do we know that stoneworts are close relatives of plants?

Accepted Answer

A)  There are similar DNA sequences between stoneworts and plants.
B)  Calcium carbonate deposits are found on stoneworts.
C)  Both stoneworts and plants have a diploid life cycle.
D)  Stoneworts are multicellular.
E)  Stoneworts have roots,stems,and leaves.F) C) and D)
G) B) and D)

Question 11

Which of the following would be used to make agar?

Accepted Answer

A)  green algae
B)  diatoms
C)  brown algae
D)  dinoflagellates
E)  red algaeF) A) and E)
G) A) and B)

Question 12

A hiker fills up his canteen from a mountain pond in the western United States.If he does not treat the water before drinking it,he runs the risk of being infected by which of the following?

Accepted Answer

A)  Giardia
B)  Trichchomonas
C)  Trypanosoma
D)  Euglena
E)  ParameciumF) A) and E)
G) B) and D)

Question 13

Among protists,haploid reproductive cells that are often resistant to adverse conditions are termed

Accepted Answer

A)  spores
B)  apicomplexes
C)  pyrenoids
D)  flagella
E)  trichocystsF) B) and C)
G) B) and D)

Question 14

An example of a colonial green alga is

Accepted Answer

A)  Ulva
B)  Volvox
C)  Laminaria
D)  Chlamydomonas
E)  SpirogyraF) B) and E)
G) A) and E)

Question 15

If you were studying brown algae,you could be studying which of the following topics?

Accepted Answer

A)  phytoplankton
B)  agar and carageenan
C)  diatoms
D)  dinoflagellates
E)  kelpsF) B) and C)
G) A) and B)

Question 16

You observe a dead fish floating in a pond and notice that it has a "furry" growth on and around its body.After consulting your trusty field guide you determine that the "furry" growth is

Accepted Answer

A)  a cellular slime mold.
B)  an amoeboid slime mold.
C)  a plasmodial slime mold.
D)  a brown molD.
E)  a water mold.F) A) and B)
G) A) and C)

Question 17

Comparing different types of seaweeds and other aquatic algae,which alga is a member of a non-green group of algae?

Accepted Answer

A)  Ulva
B)  Volvox
C)  Laminaria
D)  Chlamydomonas
E)  SpirogyraF) A) and C)
G) All of the above

Question 18

You are at the beach and collect some "leafy"-looking multicellular green algae.When you return home you consult a field guide on marine organisms and determine that you collected

Accepted Answer

A)  Ulva
B)  Volvox
C)  Laminaria
D)  Chlamydomonas
E)  SpirogyraF) A) and E)
G) A) and D)

Question 19

In comparing green algae and ciliates,which of the following terms would not apply to the the ciliates?

Accepted Answer

A)  free-living
B)  parasitic
C)  sessile
D)  colonial
E)  autotrophicF) B) and D)
G) A) and E)

Question 20

If you were writing a paper on red algae,you could be writing about which of the following topics?

Accepted Answer

A)  alginate
B)  Chlamydomonas
C)  agar
D)  giant kelps
E)  stonewortsF) None of the above
G) A) and B)

Exam 18: Evolution of Protists

Among protists,haploid reproductive cells that are often resistant to adverse conditions are termed

Correct AnswerverifiedShow Answer

A hiker fills up his canteen from a mountain pond in the western United States.If he does not treat the water before drinking it,he runs the risk of being infected by which of the following?

Correct AnswerverifiedShow Answer

-This figure shows the anatomy of a Paramecium.What does "e" represent?

Correct AnswerverifiedShow Answer

Which of the following would be used to make agar?

Correct AnswerverifiedShow Answer

How do we know that stoneworts are close relatives of plants?

Correct AnswerverifiedShow Answer

You are looking through a microscope at a green alga sample taken from a pond.The alga is unicellular and has two flagella.Based on this information you would conclude that you are probably looking at which alga?

Correct AnswerverifiedShow Answer

The valves of a diatom are made of silica.

Correct AnswerverifiedShow Answer

You are at the beach and collect some "leafy"-looking multicellular green algae.When you return home you consult a field guide on marine organisms and determine that you collected

Correct AnswerverifiedShow Answer

An example of a colonial green alga is

Correct AnswerverifiedShow Answer

Comparing different types of seaweeds and other aquatic algae,which alga is a member of a non-green group of algae?

Correct AnswerverifiedShow Answer

You are in a boat just off the coast of California and notice some extremely large seaweed floating on the surface of the ocean.Based on what you learned in your Biology class you would conclude that you are looking at

Correct AnswerverifiedShow Answer

What is a use that humans have for brown algae?

Correct AnswerverifiedShow Answer

A biologist is studying a multinucleated,cytoplasmic mass of cells which creeps along,phagocytizing plant material as it moves,which would be best termed a(n)

Correct AnswerverifiedShow Answer

If you were writing a paper on red algae,you could be writing about which of the following topics?

Correct AnswerverifiedShow Answer

In comparing green algae and ciliates,which of the following terms would not apply to the the ciliates?

Correct AnswerverifiedShow Answer

The algae that help build coral reefs are

Correct AnswerverifiedShow Answer

You observe a dead fish floating in a pond and notice that it has a "furry" growth on and around its body.After consulting your trusty field guide you determine that the "furry" growth is

Correct AnswerverifiedShow Answer

If you were studying extensions that form when cytoplasm streams in a particular direction you would be studying

Correct AnswerverifiedShow Answer

If you were studying brown algae,you could be studying which of the following topics?

Correct AnswerverifiedShow Answer

Which organism has chloroplasts containing pyrenoids?

Correct AnswerverifiedShow Answer

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