Question 1

What are facultative parasites?

Accepted Answer

A) saprobes that can become parasitic 
B) two or more parasites that work together 
C) parasites that can't exist without their host 
D) parasites that are exclusively intracellular 
A) saprobes that can become parasitic 
B) two or more parasites that work together 
C) parasites that can't exist without their host 
D) parasites that are exclusively intracellular

Question 2

________ parasites can live as saprobes but will invade living tissue when suitable hosts are available.

Accepted Answer

The answer of ________ parasites can live as saprobes but...

Question 3

Fungi obtain nutrients from the environment as absorptive heterotrophs.

Accepted Answer

A) True 
 B)False

Question 4

Asexual spores that are not formed within a sporangium are called:

Accepted Answer

A) sporangiospores 
B) basidiospores 
C) ascospores 
D) conidia 
E) oospores 
A) sporangiospores 
B) basidiospores 
C) ascospores 
D) conidia 
E) oospores

Question 5

Which of the following is a structure produced by an endomycorrhizal fungus?

Accepted Answer

A) aecium 
B) oogonium 
C) arbuscle 
D) zygospore 
E) more than one of these structures are produced by an endomycorrhizal fungus 
A) aecium 
B) oogonium 
C) arbuscle 
D) zygospore 
E) more than one of these structures are produced by an endomycorrhizal fungus

Question 6

In this group of fungi,spores are borne on tiny "spike" that project out from a club-like structure.This group of fungi are the

Accepted Answer

A) basidiomycetes. 
B) ascomycetes. 
C) zygomycetes. 
D) chytridiomycetes. 
E) glomeromycetes. 
A) basidiomycetes. 
B) ascomycetes. 
C) zygomycetes. 
D) chytridiomycetes. 
E) glomeromycetes.

Question 7

Puffball spores are dispersed by insects.

Accepted Answer

A) True 
 B)False

Question 8

Truffles are traditionally hunted using trained pigs.

Accepted Answer

A) True 
 B)False

Question 9

All of the following species are matched correctly with the disease they cause except one.Choose the exception.

Accepted Answer

A) Batrachochytrium dendrobatidis - late blight of potatoes 
B) Phytophora ramorum - sudden oak death 
C) Ophiostoma ulmi - Dutch Elm disease 
D) Puccinia graminis - wheat rust 
E) Ustilago maydis - corn smut 
A) Batrachochytrium dendrobatidis - late blight of potatoes 
B) Phytophora ramorum - sudden oak death 
C) Ophiostoma ulmi - Dutch Elm disease 
D) Puccinia graminis - wheat rust 
E) Ustilago maydis - corn smut

Question 10

Endomycorrhizal fungi are members of the

Accepted Answer

A) basidiomycetes. 
B) ascomycetes. 
C) zygomycetes. 
D) chytridiomycetes. 
E) glomeromycetes. 
A) basidiomycetes. 
B) ascomycetes. 
C) zygomycetes. 
D) chytridiomycetes. 
E) glomeromycetes.

Question 11

What characteristic do chytridiomycetes share with land plants?

Accepted Answer

A) cellulose cell walls 
B) flagellated sperm 
C) an alternation of generations 
D) true roots 
E) chytridiomycetes share all of these characteristics with land plants 
A) cellulose cell walls 
B) flagellated sperm 
C) an alternation of generations 
D) true roots 
E) chytridiomycetes share all of these characteristics with land plants

Question 12

A disease caused by an ascomycete and spread by bark beetles resulting in wilting and death in trees is ____ disease.

Accepted Answer

A) chestnut blight 
B) corn smut 
C) Dutch elm 
D) wheat rust 
A) chestnut blight 
B) corn smut 
C) Dutch elm 
D) wheat rust

Question 13

The great Bengal famine of 1942 was caused by the wheat rust fungus.

Accepted Answer

A) True 
 B)False

Question 14

Morels and truffles are fruiting bodies found in which group of fungi?

Accepted Answer

A) ascomycetes 
B) zygomycetes 
C) oomycetes 
D) basidiomycetes 
E) myxomycetes 
A) ascomycetes 
B) zygomycetes 
C) oomycetes 
D) basidiomycetes 
E) myxomycetes

Question 15

What does a mycorrhizal plant supply to its partner?

Accepted Answer

A) oxygen 
B) water 
C) minerals 
D) sugars 
E) all of these 
A) oxygen 
B) water 
C) minerals 
D) sugars 
E) all of these

Question 16

Approximately what percentage of plants are mycorrhizal?

Accepted Answer

A) 5 
B) 25 
C) 50 
D) 75 
E) 90 
A) 5 
B) 25 
C) 50 
D) 75 
E) 90

Question 17

Some wood-rotting fungi are being investigated for their potential to degrade ______ and environmental toxins.

Accepted Answer

The answer of Some wood-rotting fungi are being investigated for...

Question 18

Uredospores of the wheat rust fungus can be carried by prevailing winds for hundreds of miles.

Accepted Answer

A) True 
 B)False

Question 19

What sets the zygomycetes apart from other fungi?

Accepted Answer

A) dikaryon nuclei 
B) thick-walled sexual spores 
C) all zygomycetes are imperfect 
D) they have an alternation of generations 
E) all of these set zygomycetes apart from other fungi 
A) dikaryon nuclei 
B) thick-walled sexual spores 
C) all zygomycetes are imperfect 
D) they have an alternation of generations 
E) all of these set zygomycetes apart from other fungi

Question 20

Fungi which develop a mutualistic relationship with the roots of vascular plants are known as:

Accepted Answer

A) lichens 
B) mycorrhizae 
C) saprobes 
D) facultative parasites 
E) plant pathogens 
A) lichens 
B) mycorrhizae 
C) saprobes 
D) facultative parasites 
E) plant pathogens

Exam 23: Fungi in the Natural Environment

What are facultative parasites?

________ parasites can live as saprobes but will invade living tissue when suitable hosts are available.

Fungi obtain nutrients from the environment as absorptive heterotrophs.

Asexual spores that are not formed within a sporangium are called:

Which of the following is a structure produced by an endomycorrhizal fungus?

In this group of fungi,spores are borne on tiny "spike" that project out from a club-like structure.This group of fungi are the

Puffball spores are dispersed by insects.

Truffles are traditionally hunted using trained pigs.

All of the following species are matched correctly with the disease they cause except one.Choose the exception.

Endomycorrhizal fungi are members of the

What characteristic do chytridiomycetes share with land plants?

A disease caused by an ascomycete and spread by bark beetles resulting in wilting and death in trees is ____ disease.

The great Bengal famine of 1942 was caused by the wheat rust fungus.

Morels and truffles are fruiting bodies found in which group of fungi?

What does a mycorrhizal plant supply to its partner?

Approximately what percentage of plants are mycorrhizal?

Some wood-rotting fungi are being investigated for their potential to degrade ______ and environmental toxins.

Uredospores of the wheat rust fungus can be carried by prevailing winds for hundreds of miles.

What sets the zygomycetes apart from other fungi?

Fungi which develop a mutualistic relationship with the roots of vascular plants are known as:

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