Question 1

The following statements about mycorrizhae are true,with the exception of

Accepted Answer

A) almost all vascular plants have mycorrhizae. 
B) nutrients are transferred between different trees by mycorrhizae. 
C) in reforestation, seedlings are innoculated with mycorrhizae to enhance their growth. 
D) arbuscular mycorrhizae is parasitic on some species of plants. 
A) almost all vascular plants have mycorrhizae. 
B) nutrients are transferred between different trees by mycorrhizae. 
C) in reforestation, seedlings are innoculated with mycorrhizae to enhance their growth. 
D) arbuscular mycorrhizae is parasitic on some species of plants.

Question 2

Each of the eight ascospores present at the end of mitosis has the same chromosome number and DNA content (ng)as each of the four cells at the end of meiosis.What must have occurred in each spore between the round of meiosis and the round of mitosis?

Accepted Answer

A) double fertilization 
B) crossing over 
C) nondisjunction 
D) autopolyploidy 
E) S phase 
A) double fertilization 
B) crossing over 
C) nondisjunction 
D) autopolyploidy 
E) S phase

Question 3

What are the sporangia of the bread mould Rhizopus?

Accepted Answer

A) asexual structures that produce haploid spores 
B) asexual structures that produce diploid spores 
C) sexual structures that produce haploid spores 
D) sexual structures that produce diploid spores 
A) asexual structures that produce haploid spores 
B) asexual structures that produce diploid spores 
C) sexual structures that produce haploid spores 
D) sexual structures that produce diploid spores

Question 4

The following figure depicts the outline of a large fairy ring that has appeared overnight in an open meadow,as viewed from above.The fairy ring represents the furthest advance of this mycelium through the soil.Locations A-D are all 0.5 metres below the soil surface.Responses may be used once,more than once,or not at all.
  
-Assume that all four locations are 0.5 m above the surface.On a breezy day with prevailing winds blowing from left to right,where should one expect to find the highest concentration of free basidiospores in an air sample?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 5

Which of these paired fungal structures are structurally and functionally most alike?

Accepted Answer

A) conidia and basidiocarps 
B) sporangia and hyphae 
C) soredia and gills 
D) haustoria and arbuscules 
E) zoospores and mycelia 
A) conidia and basidiocarps 
B) sporangia and hyphae 
C) soredia and gills 
D) haustoria and arbuscules 
E) zoospores and mycelia

Exam 31: Fungi

The following statements about mycorrizhae are true,with the exception of

Each of the eight ascospores present at the end of mitosis has the same chromosome number and DNA content (ng)as each of the four cells at the end of meiosis.What must have occurred in each spore between the round of meiosis and the round of mitosis?

What are the sporangia of the bread mould Rhizopus?

Which of these paired fungal structures are structurally and functionally most alike?

Introduction: Evolution and Themes of Biology

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

DNA Tools and Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure,Growth,and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons,Synapses,and Signalling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behaviour

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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