Question 1

The rusts and smuts that seriously affect crop plants are

Accepted Answer

A) ascomycetes. 
B) zygomycetes. 
C) chytrids. 
D) basidiomycetes. 
E) actinomycetes. 
A) ascomycetes. 
B) zygomycetes. 
C) chytrids. 
D) basidiomycetes. 
E) actinomycetes.

Question 2

Ectomycorrhizae,associations in which the fungal hyphae surround but do not penetrate the cell walls of the plant roots,usually involve

Accepted Answer

A) ascomycetes. 
B) basidiomycetes. 
C) zygomycetes. 
D) ascomycetes and basidiomycetes. 
E) ascomycetes and zygomycetes. 
A) ascomycetes. 
B) basidiomycetes. 
C) zygomycetes. 
D) ascomycetes and basidiomycetes. 
E) ascomycetes and zygomycetes.

Question 3

Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to be ___________.

Accepted Answer

The answer of Fungal hyphae in which two genetically distinct...

Question 4

The fruiting structures formed by secondary mycelia of basidiomycetes are known as

Accepted Answer

A) mushrooms. 
B) yeasts. 
C) lichen. 
D) ascocarps. 
E) basidia. 
A) mushrooms. 
B) yeasts. 
C) lichen. 
D) ascocarps. 
E) basidia.

Question 5

Which one of the following associations of structures/events from the life cycle of basidiomycetes is incorrect?

Accepted Answer

A) primary mycelium-dikaryon 
B) basidiocarp-secondary mycelium 
C) basidium-basidiospores 
D) zygote-meiosis 
E) secondary mycelium-1n + 1n 
A) primary mycelium-dikaryon 
B) basidiocarp-secondary mycelium 
C) basidium-basidiospores 
D) zygote-meiosis 
E) secondary mycelium-1n + 1n

Question 6

Choose the letter of the best match from the following:
-Aquatic,flagellated fungi;one species parasitic of amphibians.

Accepted Answer

A) ascomycota 
B) zygomycota 
C) basidiomycota 
D) chytrids 
A) ascomycota 
B) zygomycota 
C) basidiomycota 
D) chytrids

Question 7

Choose the letter of the best match from the following:
-Asexual reproduction by conidia;spores contain eight haploid nuclei;yeasts.

Accepted Answer

A) ascomycota 
B) zygomycota 
C) basidiomycota 
D) chytrids 
A) ascomycota 
B) zygomycota 
C) basidiomycota 
D) chytrids

Question 8

A nonphotosynthetic plant sharing a mycorrhizal fungus with a photosynthetic plant is best described as a

Accepted Answer

A) mutualist. 
B) epiparasite. 
C) parasite. 
D) host. 
E) symbiont. 
A) mutualist. 
B) epiparasite. 
C) parasite. 
D) host. 
E) symbiont.

Question 9

A mass of hyphae in an ascomycete is commonly referred to as a(n)

Accepted Answer

A) mycelium. 
B) mycorrhizae. 
C) conidium. 
D) sporangium. 
E) ascus. 
A) mycelium. 
B) mycorrhizae. 
C) conidium. 
D) sporangium. 
E) ascus.

Question 10

Fungi,together with bacteria are the principal _________ in the biosphere.

Accepted Answer

The answer of Fungi,together with bacteria are the principal _________...

Question 11

Fungi are ecologically important because of all of the following except

Accepted Answer

A) they break down organic material and return them to the ecosystem. 
B) all can exist in symbiotic relationships. 
C) some can ferment and produce bread,beer,wine,cheese,and soy sauce. 
D) some cause diseases in plants and animals. 
E) they can break down lignin. 
A) they break down organic material and return them to the ecosystem. 
B) all can exist in symbiotic relationships. 
C) some can ferment and produce bread,beer,wine,cheese,and soy sauce. 
D) some cause diseases in plants and animals. 
E) they can break down lignin.

Question 12

The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by

Accepted Answer

A) mitosis. 
B) meiosis. 
C) karyogamy. 
D) ascus bursting. 
E) budding. 
A) mitosis. 
B) meiosis. 
C) karyogamy. 
D) ascus bursting. 
E) budding.

Question 13

The most economically useful unicellular fungi are

Accepted Answer

A) basidiomycetes. 
B) actinomycetes. 
C) yeasts. 
D) mushrooms. 
E) Neurospora. 
A) basidiomycetes. 
B) actinomycetes. 
C) yeasts. 
D) mushrooms. 
E) Neurospora.

Question 14

In the life cycle of a zygomycete,after the zygospore is formed,the next event will be

Accepted Answer

A) mitosis. 
B) meiosis. 
C) plasmogamy. 
D) karyogamy. 
E) dikaryon formation. 
A) mitosis. 
B) meiosis. 
C) plasmogamy. 
D) karyogamy. 
E) dikaryon formation.

Question 15

Which one of the following statements comparing ascomycetes and basidiomycetes is false?

Accepted Answer

A) Both ascomycetes and basidiomycetes have secondary myceliA. 
B) In both ascomycetes and basidiomycetes,the zygote is the only diploid stage. 
C) In both ascomycetes and basidiomycetes,spores are the dispersal stage of the life cycle. 
D) In both ascomycetes and basidiomycetes,only the fruiting bodies (ascocarp and basidiocarp)are conspicuous. 
E) Although some ascomycetes are unicellular,all basidiomycetes are multicellular. 
A) Both ascomycetes and basidiomycetes have secondary myceliA. 
B) In both ascomycetes and basidiomycetes,the zygote is the only diploid stage. 
C) In both ascomycetes and basidiomycetes,spores are the dispersal stage of the life cycle. 
D) In both ascomycetes and basidiomycetes,only the fruiting bodies (ascocarp and basidiocarp)are conspicuous. 
E) Although some ascomycetes are unicellular,all basidiomycetes are multicellular.

Question 16

The yeasts,common molds,morels,and truffles are common and economically important and also found in the group of fungi called ____________.

Accepted Answer

The answer of The yeasts,common molds,morels,and truffles are common and...

Question 17

Fungi can be characterized by all of the following properties except

Accepted Answer

A) being heterotrophic. 
B) having filamentous bodies. 
C) having nonmotile sperm. 
D) having chitin cell walls and mitosis taking place within the nucleus. 
E) reproducing only sexually. 
A) being heterotrophic. 
B) having filamentous bodies. 
C) having nonmotile sperm. 
D) having chitin cell walls and mitosis taking place within the nucleus. 
E) reproducing only sexually.

Question 18

Which one of the following statements about the evolution of the fungal kingdom is false?

Accepted Answer

A) Fungi are more closely related to animals than to plants. 
B) The deuteromycetes is an artificial group. 
C) The chytridomycetes most closely resemble the ancestor of all fungi. 
D) Presence of non-motile zoospores is an ancestral trait to all fungi. 
E) The first fungi probably evolved in an aqueous environment. 
A) Fungi are more closely related to animals than to plants. 
B) The deuteromycetes is an artificial group. 
C) The chytridomycetes most closely resemble the ancestor of all fungi. 
D) Presence of non-motile zoospores is an ancestral trait to all fungi. 
E) The first fungi probably evolved in an aqueous environment.

Question 19

If you arranged the following fungal structures from most inclusive to least inclusive,which structure would be fourth?

Accepted Answer

A) septum 
B) fruiting body (like ascocarp or basidiocarp) 
C) hyphae 
D) spore 
E) mycelium 
A) septum 
B) fruiting body (like ascocarp or basidiocarp) 
C) hyphae 
D) spore 
E) mycelium

Question 20

Which one of the following statements comparing ascomycetes and zygomycetes is false?

Accepted Answer

A) Both ascomycetes and zygomycetes have a dikaryotic stage. 
B) Both ascomycetes and zygomycetes can produce spores asexually. 
C) Plasmogamy precedes syngamy in both ascomycetes and zygomycetes. 
D) The sporangiophore in zygomycetes and the ascus in ascomycetes are the fruiting structures where meiosis occurs. 
E) Both ascomycetes and zygomycetes consist of fungi that are absorptive heterotrophs. 
A) Both ascomycetes and zygomycetes have a dikaryotic stage. 
B) Both ascomycetes and zygomycetes can produce spores asexually. 
C) Plasmogamy precedes syngamy in both ascomycetes and zygomycetes. 
D) The sporangiophore in zygomycetes and the ascus in ascomycetes are the fruiting structures where meiosis occurs. 
E) Both ascomycetes and zygomycetes consist of fungi that are absorptive heterotrophs.

Exam 31: Fungi

The rusts and smuts that seriously affect crop plants are

Ectomycorrhizae,associations in which the fungal hyphae surround but do not penetrate the cell walls of the plant roots,usually involve

Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to be ___________.

The fruiting structures formed by secondary mycelia of basidiomycetes are known as

Which one of the following associations of structures/events from the life cycle of basidiomycetes is incorrect?

Choose the letter of the best match from the following: -Aquatic,flagellated fungi;one species parasitic of amphibians.

Choose the letter of the best match from the following: -Asexual reproduction by conidia;spores contain eight haploid nuclei;yeasts.

A nonphotosynthetic plant sharing a mycorrhizal fungus with a photosynthetic plant is best described as a

A mass of hyphae in an ascomycete is commonly referred to as a(n)

Fungi,together with bacteria are the principal _________ in the biosphere.

Fungi are ecologically important because of all of the following except

The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by

The most economically useful unicellular fungi are

In the life cycle of a zygomycete,after the zygospore is formed,the next event will be

Which one of the following statements comparing ascomycetes and basidiomycetes is false?

The yeasts,common molds,morels,and truffles are common and economically important and also found in the group of fungi called ____________.

Fungi can be characterized by all of the following properties except

Which one of the following statements about the evolution of the fungal kingdom is false?

If you arranged the following fungal structures from most inclusive to least inclusive,which structure would be fourth?

Which one of the following statements comparing ascomycetes and zygomycetes is false?

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

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The Animal Body and Principles of Regulation

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Osmotic Regulation and the Urinary System

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