Question 1

Which group of organisms is mostly saprotrophic decomposers that assist in recycling of nutrients in ecosystems.

Accepted Answer

A)   Algae
B)   Viruses
C)   Fungi
D)   Protozoans
E)   CiliatesF) A) and B)
G) A) and C)

Question 2

What unicellular alga whirls as it moves?

Accepted Answer

A)   diatom
B)   dinoflagellate
C)   euglenoid
D)   zooflagellate
E)   red algaeF) A) and E)
G) A) and B)

Question 3

Which protist is mismatched with the type of movement it utilizes?

Accepted Answer

A)   amoeboids-pseudopodia
B)   ciliates-cilia
C)   dinoflagellates-flagella
D)   foraminiferans-pseudopodia
E)   euglenoids-ciliaF) C) and D)
G) A) and E)

Question 4

Which of the following is a reason why green algae is considered to be protists rather than plants?

Accepted Answer

A)   The green algae use chlorophyll a, while plants use chlorophyll b.
B)   Green algae have a cell wall of chitin, while plants have cell walls of cellulose.
C)   Most algae are single-celled, plants are multicellular.
D)   All plants are vascular, while all green algae are nonvascular.
E)   Algae reproduce only asexually, while plants reproduce sexually.F) B) and D)
G) C) and D)

Question 5

Explain why chytrid fungi (phylum Chytridomycota) are believed to have been the first fungi to have evolved.

Accepted Answer

Chytrid fungi are unique among fungi bec...

Question 6

The deposits of chalky fossils that build the White Cliffs of Dover were produced by

Accepted Answer

A)   radiolaria.
B)   foraminiferans.
C)   ciliates.
D)   diatoms (as diatomaceous earth) .
E)   dinoflagellates.F) A) and D)
G) C) and D)

Question 7

Which type of organism causes a "red tide"?

Accepted Answer

A)   euglenoids
B)   water molds
C)   brown algae
D)   green algae
E)   dinoflagellatesF) A) and B)
G) A) and C)

Question 8

An example of a colonial green alga is

Accepted Answer

A)   Ulva.
B)   Chlamydomonas.
C)   Volvox.
D)   Spirogyra.
E)   Fucus.F) B) and C)
G) A) and B)

Question 9

Agar and carrageenen are products derived from

Accepted Answer

A)   red algae.
B)   green algae.
C)   brown algae.
D)   water molds.
E)   diatoms.F) None of the above
G) C) and D)

Question 10

Which of the following algae are found in ponds and have chloroplasts that are arranged in a spiral?

Accepted Answer

A)   Ulva
B)   Spirogyra
C)   Euglena
D)   Chlamydomonas
E)   VolvoxF) A) and B)
G) A) and C)

Question 11

At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and evolved saprotrophy to obtain food. Which of the following is a reason why fungi are no longer classified with the plants?

Accepted Answer

A)   Fungal cell walls contain chitin rather than cellulose.
B)   Fungi digest their food internally.
C)   All fungi have flagella at some stage in their life cycle and plants do not.
D)   Plants are multicellular and fungi are unicellular.
E)   Plants store glycogen, while fungi store starch.F) None of the above
G) A) and B)

Question 12

You shake a basidiocarp and a cloud of powdery material is released. What was released?

Accepted Answer

A)   mycelia
B)   insects
C)   hyphae
D)   spores
E)   seedsF) C) and D)
G) A) and B)

Question 13

Which of the following groupings correctly identifies the classification of fungi?

Accepted Answer

A)   Domain Eukarya, supergroup Opisthokonts, kingdom Fungi
B)   Domain Bacteria, supergroup Opisthokonts, kingdom Fungi
C)   Domain Eukarya, supergroup Amoebozoans, kingdom Fungi
D)   Domain Eukarya, supergroup Amoebozoans, kingdom Plantae
E)   Domain Eukarya, supergroup Rhizaria, kingdom FungiF) B) and E)
G) A) and C)

Question 14

Which features differentiate most members of protista apart from the rest of the eukaryotic kingdoms?

Accepted Answer

A)   unicellular and microscopic
B)   multicellular and microscopic
C)   photosynthetic and unicellular
D)   heterotrophic and multicellular
E)   None of the answer choices is correct.F) A) and B)
G) None of the above

Question 15

Fungal infections are difficult to treat because of the similarity in their nucleus, organelles, and ribosomes to those in human cells.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following best describes most protozoans?

Accepted Answer

A)   heterotrophic and non-motile
B)   autotrophic and motile
C)   heterotrophic and motile
D)   autotrophic and non-motile
E)   saprophytic and non-motileF) A) and B)
G) A) and E)

Question 17

The sporozoan Toxoplasma gondii can be harmful to a developing fetus. Thus, pregnant women are advised to avoid

Accepted Answer

A)   raw honey.
B)   mosquito bites.
C)   consuming sushi.
D)   cat feces.
E)   dog dander.F) D) and E)
G) A) and D)

Question 18

The relationship between the fungi and algae in lichens is best described as mutually beneficial.

Accepted Answer

A) True 
 B)False

Question 19

A cuplike sexual reproductive structure is found in the

Accepted Answer

A)   Basidiomycota.
B)   Glomeromycota.
C)   Chytridiomycota.
D)   Ascomycota.
E)   Zygomycota.F) A) and E)
G) None of the above

Question 20

The infective agent of which human disease has an asexual reproductive phase in humans and a sexual reproductive phase in the Anopheles mosquito?

Accepted Answer

A)   malaria
B)   African sleeping sickness
C)   toxoplasmosis
D)   amoebic dysentery
E)   All of the answer choices represent diseases with both an asexual phase in humans and a sexual phase in mosquitos.F) None of the above
G) C) and E)

Exam 29: Protists and Fungi

Explain why chytrid fungi (phylum Chytridomycota) are believed to have been the first fungi to have evolved.

Correct AnswerverifiedChytrid fungi are unique among fungi bec...View AnswerShow Answer

Which type of organism causes a "red tide"?

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At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and evolved saprotrophy to obtain food. Which of the following is a reason why fungi are no longer classified with the plants?

Correct AnswerverifiedShow Answer

Agar and carrageenen are products derived from

Correct AnswerverifiedShow Answer

Which features differentiate most members of protista apart from the rest of the eukaryotic kingdoms?

Correct AnswerverifiedShow Answer

The infective agent of which human disease has an asexual reproductive phase in humans and a sexual reproductive phase in the Anopheles mosquito?

Correct AnswerverifiedShow Answer

What unicellular alga whirls as it moves?

Correct AnswerverifiedShow Answer

Which of the following algae are found in ponds and have chloroplasts that are arranged in a spiral?

Correct AnswerverifiedShow Answer

Which of the following is a reason why green algae is considered to be protists rather than plants?

Correct AnswerverifiedShow Answer

Fungal infections are difficult to treat because of the similarity in their nucleus, organelles, and ribosomes to those in human cells.

Correct AnswerverifiedShow Answer

Which of the following best describes most protozoans?

Correct AnswerverifiedShow Answer

You shake a basidiocarp and a cloud of powdery material is released. What was released?

Correct AnswerverifiedShow Answer

A cuplike sexual reproductive structure is found in the

Correct AnswerverifiedShow Answer

An example of a colonial green alga is

Correct AnswerverifiedShow Answer

Which group of organisms is mostly saprotrophic decomposers that assist in recycling of nutrients in ecosystems.

Correct AnswerverifiedShow Answer

Which of the following groupings correctly identifies the classification of fungi?

Correct AnswerverifiedShow Answer

Which protist is mismatched with the type of movement it utilizes?

Correct AnswerverifiedShow Answer

The deposits of chalky fossils that build the White Cliffs of Dover were produced by

Correct AnswerverifiedShow Answer

The sporozoan Toxoplasma gondii can be harmful to a developing fetus. Thus, pregnant women are advised to avoid

Correct AnswerverifiedShow Answer

The relationship between the fungi and algae in lichens is best described as mutually beneficial.

Correct AnswerverifiedShow Answer

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Chytrid fungi are unique among fungi bec...
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