Chapter 22 - Fungi

Question 1

All fungi ____________.

a. are multicelled
b. form flagellated spores
c. are heterotrophs
d. all of the above

Answer 1

c. are heterotrophs

Question 2

Saprobic fungi obtain nutrients from _____________.

a. nonliving organic matter
b. living plants
c. living animals
d. both a and c

Answer 2

a. nonliving organic matter

Question 3

In ___________, a hypha has a few or no cross-walls.

a. zygomcytes
b. sac fungi
c. club fungi
d. all of the above

Answer 3

a. zygomcytes

Question 4

The yeasts whose fermentation reactions produce carbon dioxide that makes bread rise are a type of ____________.

a. chytrid
b. zygote fungus
c. sac fungus
d. club fungus

Answer 4

c. sac fungus

Question 5

In many _________, an extensive dikaryotic mycelium is the most conspicuous phase of the life cycle.

a. chytrids
b. zygote fungi
c. sac fungi
d. club fungi

Answer 5

d. club fungi

Question 6

The mycelium of a multicelled fungus is a mesh of filaments, each called a ______________.

Answer 6

hypha

Question 7

A mushroom is ___________.

a. the digestive organ of a club fungus
b. the only part of the fungal body made a hyphae
c. a reproductive structure that releases sexual spores
d. the only diploid phase in the club fungus life cycle

Answer 7

c. a reproductive structure that releases sexual spores

Question 8

Spores released from the mushroom’s gills are ____________.

a. diploid
b. haploid
c. dikaryotic

Answer 8

b. haploid

Question 9

___________ are fungi that produce flagellated spores.

a. Chytrids
b. Sac fungi
c. Zygote fungi
d. Club fungi

Answer 9

a. Chytrids

Question 10

Nitrogen-fixing cyanobacteria often interact with a fungus as a __________.

a. mycelium
b. lichen
c. mycorrhiza
d. mycosis

Answer 10

b. lichen

Question 11

_____________ are mycorrhizal fungi with hyphae that grow into a root cell and branch inside it.

a. Glomeromycetes
b. Chytrids
c. Zygote fungi
d. Club fungi

Answer 11

a. Glomeromycetes

Question 12

Histoplasmosis is an example of a ____________.

a. mycelium
b. lichen
c. mycorrhiza
d. mycosis

Answer 12

d. mycosis

Question 13

Chestnut blight ___________.

a. altered the species composition of eastern forests
b. was caused by an introduced to fungal pathogen
c. was spread by wind-dispersed spores
d. all of the above

Answer 13

d. all of the above

Question 14

Ergotism ___________.

a. results from inhalation of fungal spores
b. produces hallucinations and convulsions
c. affects only those with weak immune systems
d. all of the above

Answer 14

b. produces hallucinations and convulsions

Question 15

Match the terms appropriately.

\_\_\_ hypha
\_\_\_ chitin
\_\_\_ chytrid
\_\_\_ sac fungus
\_\_\_ club fungus
\_\_\_ lichen
\_\_\_ mycorrhiza 

a. produces flagellated spores
b. component of fungal cell walls
c. partnership between a fungus in one or more photoautotrophs
d. filament of a mycelium
e. fungus-root partnership
f. forms sexual spores in a ascus
g. many form mushrooms

Answer 15

Match the terms appropriately.

(d) hypha
(b) chitin
(a) chytrid
(f) sac fungus
(g) club fungus
(c) lichen
(e) mycorrhiza

a. produces flagellated spores
b. component of fungal cell walls
c. partnership between a fungus in one or more photoautotrophs
d. filament of a mycelium
e. fungus-root partnership
f. forms sexual spores in a ascus
g. many form mushrooms