Question 1

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

Accepted Answer

A) lichen. 
B) mycorrhiza. 
C) protist. 
D) kelp. 
E) mushroom. 
A) lichen. 
B) mycorrhiza. 
C) protist. 
D) kelp. 
E) mushroom.

Question 2

The most economically useful unicellular fungi are

Accepted Answer

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

Question 3

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

Accepted Answer

Ascomycete

Question 4

Fungi are decomposers and obtain their food by ________ the organic molecules released by the action of secreted enzymes.

Accepted Answer

The answer of Fungi are decomposers and obtain their food...

Question 5

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 6

Baker's yeast is a single-celled ascomycete that is used in bread making.Why does yeast make bread dough rise?

Accepted Answer

A) Yeast cells suck in air when trapped in dough. 
B) Carbon dioxide is produced during fermentation. 
C) Multiplication of yeast physically expands the dough. 
D) The fungal cells burst causes the dough to expand. 
A) Yeast cells suck in air when trapped in dough. 
B) Carbon dioxide is produced during fermentation. 
C) Multiplication of yeast physically expands the dough. 
D) The fungal cells burst causes the dough to expand.

Question 7

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

Accepted Answer

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

Question 8

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 9

The system of fungal filaments that penetrates and grows through the substrate is called a(n)

Accepted Answer

A) exoskeleton. 
B) hyphal compartment. 
C) mushroom. 
D) mycelium. 
E) sporangium. 
A) exoskeleton. 
B) hyphal compartment. 
C) mushroom. 
D) mycelium. 
E) sporangium.

Question 10

Diploid cells of animals and plants are genetically similar to fungal

Accepted Answer

A) monokaryotic hyphae. 
B) dikaryotic hyphae (1n+1n). 
C) homokaryotic hyphae. 
D) spores. 
E) triploid cells. 
A) monokaryotic hyphae. 
B) dikaryotic hyphae (1n+1n). 
C) homokaryotic hyphae. 
D) spores. 
E) triploid cells.

Question 11

Select the incorrect statement related to fungi.

Accepted Answer

A) All fungi secrete digestive enzymes and practice external digestion. 
B) Some fungi can break down cellulose into its glucose subunits.In addition,some fungi are predaceous. 
C) One method of reproduction in fungi is by flagellated sperm.Water is a requirement for those particular fungi to reproduce. 
D) Some fungi are able to grow to many hectares in size. 
E) Cheese,wine,and soy sauce are but a few examples of foods dependent on fungi for their production. 
A) All fungi secrete digestive enzymes and practice external digestion. 
B) Some fungi can break down cellulose into its glucose subunits.In addition,some fungi are predaceous. 
C) One method of reproduction in fungi is by flagellated sperm.Water is a requirement for those particular fungi to reproduce. 
D) Some fungi are able to grow to many hectares in size. 
E) Cheese,wine,and soy sauce are but a few examples of foods dependent on fungi for their production.

Question 12

Specialized symbiotic associations between the roots of plants and fungi are called

Accepted Answer

A) lichens. 
B) hyphal associations. 
C) heterokaryotic junctions. 
D) mycorrhizae. 
E) a mycelial unit. 
A) lichens. 
B) hyphal associations. 
C) heterokaryotic junctions. 
D) mycorrhizae. 
E) a mycelial unit.

Question 13

Sexual reproduction in zygomycetes differs from sexual reproduction in basidiomycetes in one key way.Which of the following is true of zygomycetes,but not true of basidiomycetes?

Accepted Answer

A) Meiosis to produce haploid spores is delayed,resulting in a discrete diploid state 
B) Gametangia of opposite mating types undergo plasmogamy 
C) Mushrooms are formed of secondary (dikaryotic)mycelium 
D) Haploid nuclei fuse in the process of karyogamy to form a diploid nucleus 
A) Meiosis to produce haploid spores is delayed,resulting in a discrete diploid state 
B) Gametangia of opposite mating types undergo plasmogamy 
C) Mushrooms are formed of secondary (dikaryotic)mycelium 
D) Haploid nuclei fuse in the process of karyogamy to form a diploid nucleus

Question 14

The body of a fungus has several characteristics.One of these is their hyphae,long chains of cells.Which of the following statements best describes the nature of septa and cross walls?

Accepted Answer

A) Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity. 
B) Septa form cross walls between the long chains of cells that make up hyphae. 
C) The cross wall within the nuclear membrane of every fungal body forms septa. 
D) Spores of fungi that are formed within reproductive structures have cross walls separated by septa. 
E) Cross walls are responsible for the formation of spindle plaques within the hyphae after the septa are produced. 
A) Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity. 
B) Septa form cross walls between the long chains of cells that make up hyphae. 
C) The cross wall within the nuclear membrane of every fungal body forms septa. 
D) Spores of fungi that are formed within reproductive structures have cross walls separated by septa. 
E) Cross walls are responsible for the formation of spindle plaques within the hyphae after the septa are produced.

Question 15

Lichens are mutualisms between

Accepted Answer

A) yeast and another fungi. 
B) fungi and an alga. 
C) fungi and a green plant. 
D) fungi and a mycorrhizae. 
E) mycorrhizae and yeast. 
A) yeast and another fungi. 
B) fungi and an alga. 
C) fungi and a green plant. 
D) fungi and a mycorrhizae. 
E) mycorrhizae and yeast.

Question 16

The cell walls of fungi are made up of polysaccharides including

Accepted Answer

A) polyglycans. 
B) phospholipids. 
C) bilipid layers. 
D) glycolipids. 
E) chitin. 
A) polyglycans. 
B) phospholipids. 
C) bilipid layers. 
D) glycolipids. 
E) chitin.

Question 17

Why are fungi used to clean oil spills?

Accepted Answer

A) Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. 
B) The chemicals in oil kill off the fungus's competitors. 
C) Fungi use the organic molecules in the oil as food. 
D) Fungi store the hydrocarbons in their large central vacuoles. 
A) Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. 
B) The chemicals in oil kill off the fungus's competitors. 
C) Fungi use the organic molecules in the oil as food. 
D) Fungi store the hydrocarbons in their large central vacuoles.

Question 18

The fungal group that is most closely related to ancestral fungi are the

Accepted Answer

A) Zygomycota. 
B) Chytridomycota. 
C) Ascomycota. 
D) Basidomycota. 
A) Zygomycota. 
B) Chytridomycota. 
C) Ascomycota. 
D) Basidomycota.

Question 19

Arbuscular mycorrhizae are characterized by all of the following features except

Accepted Answer

A) They are the most common mycorrhizal type. 
B) Fungal hyphae penetrate plant root cells. 
C) They are seen in the earliest vascular plant fossils. 
D) The fungus can associate with several species of plants. 
E) The fungal component is a glomeromycete. 
A) They are the most common mycorrhizal type. 
B) Fungal hyphae penetrate plant root cells. 
C) They are seen in the earliest vascular plant fossils. 
D) The fungus can associate with several species of plants. 
E) The fungal component is a glomeromycete.

Question 20

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

Accepted Answer

A) ascomycetes. 
B) zygomycetes. 
C) chytridomycetes 
D) basidiomycetes. 
A) ascomycetes. 
B) zygomycetes. 
C) chytridomycetes 
D) basidiomycetes.

Exam 31: Fungi

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

The most economically useful unicellular fungi are

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

Fungi are decomposers and obtain their food by ________ the organic molecules released by the action of secreted enzymes.

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

Baker's yeast is a single-celled ascomycete that is used in bread making.Why does yeast make bread dough rise?

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

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

The system of fungal filaments that penetrates and grows through the substrate is called a(n)

Diploid cells of animals and plants are genetically similar to fungal

Select the incorrect statement related to fungi.

Specialized symbiotic associations between the roots of plants and fungi are called

Sexual reproduction in zygomycetes differs from sexual reproduction in basidiomycetes in one key way.Which of the following is true of zygomycetes,but not true of basidiomycetes?

The body of a fungus has several characteristics.One of these is their hyphae,long chains of cells.Which of the following statements best describes the nature of septa and cross walls?

Lichens are mutualisms between

The cell walls of fungi are made up of polysaccharides including

Why are fungi used to clean oil spills?

The fungal group that is most closely related to ancestral fungi are the

Arbuscular mycorrhizae are characterized by all of the following features except

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

The Science of Biology

The Nature of Molecules and the Properties of Water

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 Meiosisinheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

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Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics,phylogenies,and Comparative Biology

Genome Evolution

The Origin and Diversity of Life

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Prokaryotes

Protists

Seedless Plants

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Animal Diversity and the Evolution of Body Plans

Protostomes

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Plant Form

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

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Osmotic Regulation and the Urinary System

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