Ch.26 Fungi

Question 1

Which of the following is NOT a property of fungi?
a. Filamentous.
b. Heterotropic.
c. Multicellular.
d. Prokaryotic.

Answer 1

Prokaryotic

Question 2

_____ are specialized hyphae that can penetrate host cells and absorb nutrients.
a. Haustoria
b. Rhizoids
c. Snare
d. Saprobes

Answer 2

Haustoria

Question 3

Name the largest phylum of fungi.
a. Chytridiomycota.
b. Glomeromycota.
c. Basidiomycota.
d. Ascomycota.

Answer 3

Ascomycota

Question 4

Ascomycetes are responsible for many serious plant diseases including _____.
a. powdery mildew
b. Dutch elm disease
c. chestnut blight
d. all of the above
e. B and C

Answer 4

All of the above

Question 5

_____ are the multicellular fruiting structures of ascomycetes, which produce sexual spores.
a. Ascospores
b. Ascogonia
c. Ascocarps
d. Ascogenous hyphae

Answer 5

Ascocarps

Question 6

An ascogonium is a(n) _____.
a. male gametangium
b. female gametangium
c. antheridium
d. conidia

Answer 6

female gametangium

Question 7

Slit-like structures found beneath the cap of a typical mushroom are known as ________.
a. annulus
b. gills
c. pileus
d. volva

Answer 7

gills

Question 8

Lichens are sensitive to ___.
a. air pollution
b. extreme temperatures
c. drought
d. fire

Answer 8

fire

Question 9

Lichens with leaflike thalli that overlap, forming a scaly, lobed body, are known as __________.
a. crustose
b. fructicose
c. foliose
d. A and B

Answer 9

foliose

Question 10

Which of the following is TRUE for lichens?
a. Survive in extreme conditions.
b. Environmental indicator of pollution.
c. Known for longevity.
d. All of the above.

Answer 10

All of the above

Question 11

Hyphae in fungi are connected to adjacent hyphae by which of the following?
a. Crosswall pores.
b. Reproductive cells.
c. Polysaccharides.
d. Spores.

Answer 11

Crosswall pores

Question 12

Modified hyphae, which anchor fungi to a substrate, are ________.
a. haustoria
b. gametangia
c. septa
d. rhizoids

Answer 12

rhizoids

Question 13

Most fungi have cell walls composed of _____.
a. cellulose
b. chitin
c. glycogen
d. chlorophyll

Answer 13

chitin

Question 14

Zygomycetes lack what structure?
a. Rhizoids.
b. Septa.
c. Stolons.
d. Sporangiophores.

Answer 14

Septa

Question 15

An ascoma of the true morel contains which of the following?
a. Hymenium.
b. Hollow stalk.
c. Convoluted fruiting body.
d. All of the above.

Answer 15

All of the above

Question 16

Basidiospores are borne on peg-like structures known as _________.
a. stipes
b. sterigma
c. stolons
d. rhizoids

Answer 16

sterigma

Question 17

What connects the mushrooms in a fairy ring below the ground?
a. A thick network of mycelium.
b. A network of strong grass roots.
c. A cluster of mushrooms.
d. Moist soil.

Answer 17

A thick network of mycelium

Question 18

Meiosis in the life cycle of a zygomycete occurs in the _____.
a. gametangia
b. progametangia
c. sporangia
d. meiospores

Answer 18

sporangia

Question 19

Identify the structure in this photograph of Rhizopus stolonifer.

a. Sporangium.
b. Columella.
c. Gametangia.
d. Sporangiophore.

Answer 19

Sporangiophore

Question 20

Your experiment in the laboratory is designed to study lichens. Which fungi would you investigate?
a. Mycorrhizae.
b. Sac fungi.
c. Conjugating fungi.
d. Club fungi.

Answer 20

Sac fungi

Question 21

Name the structure indicated on this photograph of a section through a mushroom gill.

a. Ascospore.
b. Conidium.
c. Zygospore.
d. Basidiospore.

Answer 21

Basidiospore.

Question 22

Your experiment is designed to study the mutualistic relationship of typical roots in most terrestrial plants. Which phylum of fungi would you study?
a. Basidiomycota.
b. Ascomycota.
c. Zygomycota.
d. Glomeromycota.

Answer 22

Glomeromycota.

Question 23

Name the phylum to which this species belongs.

a. Basidiomycota.
b. Zygomycota.
c. Glomeromycota.
d. Ascomycota.

Answer 23

Ascomycota

Question 24

Sexual reproduction in the Zygomycota results in the production of _________________.
a. a sporangium
b. a zygosporangium
c. conidia
d. progametangia

Answer 24

a zygosporangium

Question 25

What occurs when a sporangiospore of a zygomycete lands on a slice of bread? a. Germination. b. Hyphae formation. c. Mycelium formation. d. Sexual reproduction. e. A, B, and C.

Answer 25

e. A, B, and C

Question 26

Flooding and water damage associated with Hurricane Katrina provided an opportunity to advance our study of which toxic mold? a. Penicillium sp. b. Stachybotrys chartarum. c. Candida sp. d. Neurospora crassa.

Answer 26

Stachybotrys chartarum

Question 27

This phylum contains organisms that cause histoplasmosis, ergotism, and cryptococcosis. a. Basidiomycota. b. Deuteromycota. c. Ascomycota. d. Zygomycota.

Answer 27

Ascomycota

Question 28

The role of the fungus in a mycorrhizal relationship is that of ________________________. a. providing nutrients from photosynthesis b. helping the plant take in phosphate and other nutrients c. protection against predation d. providing protection from a harsh environment

Answer 28

helping the plant take in phosphate and other nutrients

Question 29

Eating ergot-contaminated grains can cause which of the following?

Answer 29

A, B and C

Question 30

Cases of chronic respiratory illness in humans have been documented in buildings where the ventilation system has been found to contain black mold. Which of the following phyla is likely to be responsible? a. Basidiomycota. b. Ascomycota. c. Glomeromycota. d. Zygomycota.

Answer 30

Ascomycota