Deck 6: Eukaryotic Microorganisms

Question 1

The eukaryotes known for the presence of a macronucleus and a micronucleus are

A)algae.
B)fungi.
C)protozoans.
D)slime molds.

Answer 1

C

Question 2

The mold responsible for the production of penicillin belongs to the subgroup of

A)Basidiomycota.
B)Ascomycota.
C)Zygomycota.
D)Deuteromycota.

Answer 2

B

Question 3

Fungi are free-living _________ organisms.

A)autotrophic
B)chemotrophic
C)heterotrophic
D)phototrophic

Answer 3

C

Question 4

The process by which the nucleus of protozoans undergoes multiple divisions before the cell divides is called

A)budding.
B)mitosis.
C)schizogony.
D)fragmentation.

Question 5

Which of the following are technically not microorganisms?

A)Molds
B)Protozoans
C)Helminths
D)Viruses

Question 6

Which of the following is commonly referred to as a pinworm?

A)Enterobius vermicularis
B)Necator americanus
C)Ascaris lumbricoides
D)Ancylostoma duodenale

Question 7

A scolex is a structure found in

A)algae.
B)fungi.
C)protozoans.
D)helminths.

Question 8

Fungi that help the roots of plants to absorb minerals and water from the soil are

A)decomposers.
B)mycorrhizae.
C)yeasts.
D)molds.

Question 9

A dimorphic fungus growing as a mold prefers what temperature?

A)15° C
B)20° C
C)25° C
D)37° C

Question 10

Toxoplasma gondii belongs to which group of eukaryotic organisms?

A)Algae
B)Fungi
C)Protozoans
D)Helminths

Question 11

The so-called "red tide" is generally caused by which of the following organisms?

A)Lichens
B)Bacteria
C)Pfiesteria
D)Dinoflagellates

Question 12

Which of the following microorganisms require a moist environment to survive and most often live in ponds,streams,lakes,and oceans?

A)Mycorrhizae
B)Armillaria gallica
C)Blastospores
D)Protozoans

Question 13

Conidiospores that bud off from a vase-shaped spore-bearing cell are referred to as

A)arthrospores.
B)porospores.
C)phialospores.
D)blastospores.

Question 14

Diatoms,major components of marine phytoplankton,belong to

A)Chrysophyta.
B)Rhodophyta.
C)Chlorophyta.
D)Phaeophyta.

Question 15

Organisms that can grow on substances with very low moisture content are

A)protozoans.
B)fungi.
C)helminths.
D)algae.

Question 16

The antibiotics penicillin and cephalosporin are produced by

A)algae.
B)slime molds.
C)fungi.
D)protozoans.

Question 17

Plasmodium is a type of

A)algae.
B)protozoan.
C)slime mold.
D)helminth.

Question 18

The protozoan that lacks a cyst stage and therefore must be transferred quickly from host to host is

A)Giardia lamblia.
B)Trichomonas vaginalis.
C)Balantidium coli.
D)Entamoeba histolytica.

Question 19

Brown algae are commonly referred to as

A)Phaeophyta.
B)Rhodophyta.
C)Chlorophyta.
D)Chrysophyta.

Question 20

Algae that contain agar in their cell walls belong to

A)Chrysophyta.
B)Rhodophyta.
C)Chlorophyta.
D)Phaeophyta.

Question 21

Match the description below with the correct item from this list.
a.Mycelium
b.Algae
c.Sporangia
d.Fungi
e.Dimorphic fungi
f.Coenocytic
g.Blastospore
Conidiospores that bud from a parent cell

Question 22

Fungi growing on the surface of the skin or hair may cause infections called __________ mycoses.

Question 23

Match the description below with the correct item from this list.
a.Mycelium
b.Algae
c.Sporangia
d.Fungi
e.Dimorphic fungi
f.Coenocytic
g.Blastospore
Result of asexual reproduction of fungi

Question 24

The life cycle of a parasitic helminth ends with an adult parasite that is found in the __________ host.

Question 25

Match the description below with the correct item from this list.
a.Mycelium
b.Algae
c.Sporangia
d.Fungi
e.Dimorphic fungi
f.Coenocytic
g.Blastospore
Have a cell wall containing ergosterol

Question 26

Masses of protoplasm containing thousands of nuclei are characteristic of a(n)__________.

Question 27

The unique cell organelle found in the Archaezoa and that appears to be a remnant of mitochondria is called a(n)__________.

Question 28

Trematodes are commonly called __________.

Question 29

Match the description below with the correct item from this list.
a.Mycelium
b.Algae
c.Sporangia
d.Fungi
e.Dimorphic fungi
f.Coenocytic
g.Blastospore
Hyphae that do not contain septa and appear as long,continuous cells with many nuclei

Question 30

Match the description below with the correct item from this list.
a.Mycelium
b.Algae
c.Sporangia
d.Fungi
e.Dimorphic fungi
f.Coenocytic
g.Blastospore
A collective mass of threadlike hyphae

Question 31

The study of fungi is called __________.

Question 32

Slime molds have both fungal and __________ characteristics.

Question 33

The vegetative structure of algae is referred to as a __________.

Question 34

The common name for nematodes is __________.

Question 35

The fungal saclike structure that contains sporangiospores is called a(n)__________.