Question 1

Which of the following is a characteristic of all angiosperms?

Accepted Answer

A) complete reliance on wind as the pollinating agent 
B) double internal fertilization 
C) free-living gametophytes 
D) carpels that contain microsporangia 
E) ovules that are not contained within ovaries 
A) complete reliance on wind as the pollinating agent 
B) double internal fertilization 
C) free-living gametophytes 
D) carpels that contain microsporangia 
E) ovules that are not contained within ovaries

Question 2

Which of the following statements is true of monocots?

Accepted Answer

A) They are currently thought to be polyphyletic. 
B) The veins of their leaves form a netlike pattern. 
C) They, along with the eudicots, magnoliids, and basal angiosperms, are currently placed in the phylum Anthophyta. 
D) Each possesses multiple cotyledons. 
E) They are in the clade that includes most of our crops, except the cereal grains. 
A) They are currently thought to be polyphyletic. 
B) The veins of their leaves form a netlike pattern. 
C) They, along with the eudicots, magnoliids, and basal angiosperms, are currently placed in the phylum Anthophyta. 
D) Each possesses multiple cotyledons. 
E) They are in the clade that includes most of our crops, except the cereal grains.

Question 3

If a female orchid bee has just left a Brazil nut tree with nectar in her stomach,and if she visits another flower on a different Brazil nut tree,what is the sequence in which the following events should occur?
1)double fertilization
2)pollen tube emerges from pollen grain
3)pollen tube enters micropyle
4)pollination

Accepted Answer

A) 4, 2, 3, 1 
B) 4, 2, 1, 3 
C) 4, 3, 2, 1 
D) 2, 4, 3, 1 
E) 2, 4, 1, 3 
A) 4, 2, 3, 1 
B) 4, 2, 1, 3 
C) 4, 3, 2, 1 
D) 2, 4, 3, 1 
E) 2, 4, 1, 3

Question 4

A botanist discovers a new species of land plant with a dominant sporophyte,chlorophylls a and b,and cell walls made of cellulose.In assigning this plant to a phylum,which of the following,if present,would be least useful?

Accepted Answer

A) endosperm 
B) seeds 
C) sperm that lack flagella 
D) flowers 
E) spores 
A) endosperm 
B) seeds 
C) sperm that lack flagella 
D) flowers 
E) spores

Question 5

Which structure is common to both gymnosperms and angiosperms?

Accepted Answer

A) stigma 
B) carpel 
C) ovule 
D) ovary 
E) anthers 
A) stigma 
B) carpel 
C) ovule 
D) ovary 
E) anthers

Question 6

The following statements about seed plants are true,with the exception of

Accepted Answer

A) Most of our food comes from angiosperms 
B) the majority of the crops we eat today are a result of natural selection 
C) spices that we use are derived from flowers, leaves, fruits, seeds, and bark 
D) seed plants are important for medicines 
E) just a few crops provide 80% of all calories consumed by people 
A) Most of our food comes from angiosperms 
B) the majority of the crops we eat today are a result of natural selection 
C) spices that we use are derived from flowers, leaves, fruits, seeds, and bark 
D) seed plants are important for medicines 
E) just a few crops provide 80% of all calories consumed by people

Question 7

If the beetles survive by consuming cycad pollen,then whether the beetles should be considered mutualists with,or parasites of,the cycads depends upon

Accepted Answer

A) the extent to which their overall activities affect cycad reproduction. 
B) the extent to which the beetles are affected by the neurotoxins. 
C) the extent to which the beetles damage the cycad flowers. 
D) the distance the beetles must travel between cycad microsporophylls and cycad megasporophylls. 
A) the extent to which their overall activities affect cycad reproduction. 
B) the extent to which the beetles are affected by the neurotoxins. 
C) the extent to which the beetles damage the cycad flowers. 
D) the distance the beetles must travel between cycad microsporophylls and cycad megasporophylls.

Question 8

The cutting and burning of tropical rain forests leads to which of the following?
1)addition of CO₂ to the atmosphere
2)decreased removal of CO₂ from the atmosphere
3)greenhouse effect
4)global warming
5)decreasing sea level

Accepted Answer

A) 1 only 
B) 1 and 2 
C) 1, 2, and 3 
D) 1, 2, 3, and 4 
E) 2, 3, 4, and 5 
A) 1 only 
B) 1 and 2 
C) 1, 2, and 3 
D) 1, 2, 3, and 4 
E) 2, 3, 4, and 5

Question 9

Which of the following sex and generation combinations most directly produces the megasporangium of pine ovules?

Accepted Answer

A) male gametophyte 
B) female gametophyte 
C) male sporophyte 
D) female sporophyte 
A) male gametophyte 
B) female gametophyte 
C) male sporophyte 
D) female sporophyte

Question 10

A botanist was visiting a tropical region for the purpose of discovering plants with medicinal properties.All of the following might be ways of identifying potentially useful plants except

Accepted Answer

A) observing which plants sick animals seek out. 
B) observing which plants are the most-used food plants. 
C) observing which plants animals do not eat. 
D) collecting plants and subjecting them to chemical analysis. 
E) asking local people which plants they use as medicine. 
A) observing which plants sick animals seek out. 
B) observing which plants are the most-used food plants. 
C) observing which plants animals do not eat. 
D) collecting plants and subjecting them to chemical analysis. 
E) asking local people which plants they use as medicine.

Question 11

Which of the following flower parts develops into a seed?

Accepted Answer

A) ovule 
B) ovary 
C) fruit 
D) stamen 
A) ovule 
B) ovary 
C) fruit 
D) stamen

Question 12

Among plants known as legumes (beans,peas,alfalfa,clover,etc.),the seeds are contained in a fruit that is itself called a legume,better known as a pod.Upon opening such pods,it is commonly observed that some ovules have become mature seeds,whereas other ovules have not.Thus,which of the following statements is (are)true?
1)The flowers that gave rise to such pods were not pollinated.
2)Pollen tubes did not enter all of the ovules in such pods.
3)There was apparently not enough endosperm to distribute to all of the ovules in such pods.
4)The ovules that failed to develop into seeds were derived from sterile floral parts.
5)Fruit can develop,even if all ovules within have not been fertilized.

Accepted Answer

A) 1 only 
B) 1 and 5 
C) 2 and 4 
D) 2 and 5 
E) 3 and 5 
A) 1 only 
B) 1 and 5 
C) 2 and 4 
D) 2 and 5 
E) 3 and 5

Question 13

As tropical rainforests and other ecosystems are destroyed,people are realizing all of the following,except that

Accepted Answer

A) plant diversity is not a renewable resource. 
B) if particular plants become threatened, endangered, or go extinct, then animals that depend on them will likely suffer the same fate. 
C) we are losing many potential medicinal plants that can benefit humans. 
D) technology can be used to replace any plants that humans require. 
E) humans depend on many species of plants for food, building materials, cooking, and medicine. 
A) plant diversity is not a renewable resource. 
B) if particular plants become threatened, endangered, or go extinct, then animals that depend on them will likely suffer the same fate. 
C) we are losing many potential medicinal plants that can benefit humans. 
D) technology can be used to replace any plants that humans require. 
E) humans depend on many species of plants for food, building materials, cooking, and medicine.

Question 14

Ecologists often build models to depict the relationships between organisms.In such models,an arrow is used to link two organisms in a relationship.The arrowhead is next to the organism that is affected.If the effect is positive,the arrow is labeled with (+),and if negative,then the label is (-).Capuchin monkeys have been known to use rocks to smash open the fruits of Brazil nut trees.On the rare occasions this has been observed,the monkeys consume all of the Brazil nuts.Thus,which of the following correctly depicts the relationship between capuchin monkeys and Brazil nut trees?

Accepted Answer

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

Question 15

The next few questions refer to the following description.Match the animal features with the appropriate angiosperm analogue.
Oviparous (egg-laying)animals have internal fertilization (sperm cells encounter eggs within the female's body).Yolk and/or albumen is (are)provided to the embryo,and a shell is then deposited around the embryo and its food source.Eggs are subsequently deposited in an environment that promotes their further development,or are incubated by one or both parents.
-The dispersal and/or nurture of young after hatching from the egg is what type of angiosperm analogue?

Accepted Answer

A) endosperm 
B) pollen tube and sperm nuclei 
C) carpels 
D) fruit 
E) integuments 
A) endosperm 
B) pollen tube and sperm nuclei 
C) carpels 
D) fruit 
E) integuments

Question 16

Which of the following sex and generation combinations most directly produces the fruit?

Accepted Answer

A) male gametophyte 
B) female gametophyte 
C) male sporophyte 
D) female sporophyte 
A) male gametophyte 
B) female gametophyte 
C) male sporophyte 
D) female sporophyte

Question 17

People who attempted to plant Brazil nuts in hopes of establishing plantations of Brazil nut trees played roles most similar to those of

Accepted Answer

A) agoutis. 
B) orchid bees. 
C) pollen tubes. 
D) harpy eagles. 
A) agoutis. 
B) orchid bees. 
C) pollen tubes. 
D) harpy eagles.

Question 18

The harpy eagle,Harpia harpyja,is the largest,most powerful raptor in the Americas.It nests only in trees taller than 25 metres.It is a "sloth specialist," but will also take agouti.Thus,if these eagles capture too many agoutis from a particular locale,they might contribute to their own demise by

Accepted Answer

A) having too many offspring. 
B) increasing habitat loss. 
C) decreasing atmospheric CO₂. 
D) increasing the number of sloths. 
A) having too many offspring. 
B) increasing habitat loss. 
C) decreasing atmospheric CO₂. 
D) increasing the number of sloths.

Question 19

Kumar,especially,might be well advised to learn more about

Accepted Answer

A) cell wall components, such as lignins and pectins. 
B) secondary metabolites. 
C) accessory photosynthetic pigments. 
D) sporopollenin. 
E) the wax of cuticles. 
A) cell wall components, such as lignins and pectins. 
B) secondary metabolites. 
C) accessory photosynthetic pigments. 
D) sporopollenin. 
E) the wax of cuticles.

Question 20

Arrange the following structures from largest to smallest,assuming that they belong to two generations of the same angiosperm.
1)ovary
2)ovule
3)egg
4)carpel
5)embryo sac

Accepted Answer

A) 4, 2, 1, 5, 3 
B) 4, 5, 2, 1, 3 
C) 5, 4, 3, 1, 2 
D) 5, 1, 4, 2, 3 
E) 4, 1, 2, 5, 3 
A) 4, 2, 1, 5, 3 
B) 4, 5, 2, 1, 3 
C) 5, 4, 3, 1, 2 
D) 5, 1, 4, 2, 3 
E) 4, 1, 2, 5, 3

Exam 30: Plant Diversity II: The Evolution of Seed Plants

Which of the following is a characteristic of all angiosperms?

Which of the following statements is true of monocots?

A botanist discovers a new species of land plant with a dominant sporophyte,chlorophylls a and b,and cell walls made of cellulose.In assigning this plant to a phylum,which of the following,if present,would be least useful?

Which structure is common to both gymnosperms and angiosperms?

The following statements about seed plants are true,with the exception of

If the beetles survive by consuming cycad pollen,then whether the beetles should be considered mutualists with,or parasites of,the cycads depends upon

The cutting and burning of tropical rain forests leads to which of the following? 1)addition of CO₂ to the atmosphere 2)decreased removal of CO₂ from the atmosphere 3)greenhouse effect 4)global warming 5)decreasing sea level

Which of the following sex and generation combinations most directly produces the megasporangium of pine ovules?

A botanist was visiting a tropical region for the purpose of discovering plants with medicinal properties.All of the following might be ways of identifying potentially useful plants except

Which of the following flower parts develops into a seed?

As tropical rainforests and other ecosystems are destroyed,people are realizing all of the following,except that

Which of the following sex and generation combinations most directly produces the fruit?

People who attempted to plant Brazil nuts in hopes of establishing plantations of Brazil nut trees played roles most similar to those of

The harpy eagle,Harpia harpyja,is the largest,most powerful raptor in the Americas.It nests only in trees taller than 25 metres.It is a "sloth specialist," but will also take agouti.Thus,if these eagles capture too many agoutis from a particular locale,they might contribute to their own demise by

Kumar,especially,might be well advised to learn more about

Arrange the following structures from largest to smallest,assuming that they belong to two generations of the same angiosperm. 1)ovary 2)ovule 3)egg 4)carpel 5)embryo sac

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

Fungi

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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