Question 1

Based on the leaflike sepals in the flower shown in the figure and on the other visible characteristics, this flower is a(n)

Accepted Answer

A)  complete dicot flower. 
B)  incomplete monocot flower. 
C)  incomplete dicot flower. 
D)  complete monocot flower. 
A)  complete dicot flower. 
B)  incomplete monocot flower. 
C)  incomplete dicot flower. 
D)  complete monocot flower.

Question 2

What are the typical shape, color, and nectar content of a flower that is pollinated by a hummingbird? What are the traits of a bee- pollinated flower?

Accepted Answer

Hummingbird- pollinated flowers have a d

Question 3

Flowers that make pollen, but not ovules, lack

Accepted Answer

A)  carpels. 
B)  filaments. 
C)  sepals. 
D)  stamens. 
E)  petals. 
A)  carpels. 
B)  filaments. 
C)  sepals. 
D)  stamens. 
E)  petals.

Question 4

When you eat a cherry, you know that the fruit was derived from the and the seed was derived from the .

Accepted Answer

The answer of When you eat a cherry, you know...

Question 5

Some very showy desert flowers avoid desiccation of delicate floral tissues by blooming at night. They are pollinated by

Accepted Answer

A)  wind. 
B)  bats. 
C)  hummingbirds. 
D)  bees. 
A)  wind. 
B)  bats. 
C)  hummingbirds. 
D)  bees.

Question 6

The female gametophyte of angiosperms is made up of eight diploid cells and one haploid egg cell.

Accepted Answer

A) True 
 B)False

Question 7

A flowering plant produces pollen in the

Accepted Answer

A)  anther. 
B)  stigma. 
C)  fruit. 
D)  style. 
E)  ovule. 
A)  anther. 
B)  stigma. 
C)  fruit. 
D)  style. 
E)  ovule.

Question 8

In the alternation of generations, what is formed when a spore germinates?

Accepted Answer

A)  A plant that produces spores when mature. 
B)  A haploid stage called the sporophyte. 
C)  A plant that meiotically produces sex cells. 
D)  A haploid stage called the gametophyte. 
E)  An increased number of spores. 
A)  A plant that produces spores when mature. 
B)  A haploid stage called the sporophyte. 
C)  A plant that meiotically produces sex cells. 
D)  A haploid stage called the gametophyte. 
E)  An increased number of spores.

Question 9

Ferns and mosses mainly live in environments.

Accepted Answer

A)  arid 
B)  sterile 
C)  moist 
D)  desert 
A)  arid 
B)  sterile 
C)  moist 
D)  desert

Question 10

In the development of a plant's ovule, the result is a gametophyte made up of

Accepted Answer

A)  seven diploid cells and one haploid cell. 
B)  seven cells: six haploid cells and one cell with two nuclei. 
C)  seven binucleate cells and one haploid cell. 
D)  eight haploid, uninucleate cells. 
A)  seven diploid cells and one haploid cell. 
B)  seven cells: six haploid cells and one cell with two nuclei. 
C)  seven binucleate cells and one haploid cell. 
D)  eight haploid, uninucleate cells.

Question 11

The American holly tree requires a "male" tree and a "female" tree to produce red berries in the winter, which indicates that the male flowers lack and the female flowers lack .

Accepted Answer

A)  petals; carpels 
B)  sepals; anthers 
C)  anthers; stamens 
D)  petals; ovules 
E)  carpels; stamens 
A)  petals; carpels 
B)  sepals; anthers 
C)  anthers; stamens 
D)  petals; ovules 
E)  carpels; stamens

Question 12

Conifers do not have flowers to attract pollinators. Instead, fertilization occurs

Accepted Answer

A)  as the sperm and egg unite inside the woody cone. 
B)  when birds transfer pollen in their droppings after eating the pine seeds. 
C)  via wind pollination. 
D)  when the endosperm takes the place of the male gametes. 
E)  when insects coated with pollen are trapped in the sticky resin. 
A)  as the sperm and egg unite inside the woody cone. 
B)  when birds transfer pollen in their droppings after eating the pine seeds. 
C)  via wind pollination. 
D)  when the endosperm takes the place of the male gametes. 
E)  when insects coated with pollen are trapped in the sticky resin.

Question 13

Which of the following pollinators would likely visit a flower that is relatively simple in design and smells like rotting carrion?

Accepted Answer

A)  Butterflies 
B)  Bees 
C)  Beetles 
D)  Moths and butterflies 
E)  Hummingbirds 
A)  Butterflies 
B)  Bees 
C)  Beetles 
D)  Moths and butterflies 
E)  Hummingbirds

Question 14

In many dicots, the first pair of leaves to emerge from the soil after seed germination is completely unlike all the rest of the leaves that form on that plant. In such plants, these leaves are

Accepted Answer

A)  made from the opening and greening of the coleoptile. 
B)  formed from the endosperm. 
C)  made from the epicotyl hook. 
D)  derived from the root, not the shoot. 
E)  cotyledons, which have elongated and turned green. 
A)  made from the opening and greening of the coleoptile. 
B)  formed from the endosperm. 
C)  made from the epicotyl hook. 
D)  derived from the root, not the shoot. 
E)  cotyledons, which have elongated and turned green.

Question 15

All of the following are true of the relationship between the yucca and the yucca moth EXCEPT

Accepted Answer

A)  the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
B)  some of the developing yucca seeds feed the yucca caterpillars. 
C)  the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs. 
D)  the yucca plant is dependent on the yucca moth to reproduce, but the yucca moth can lay its eggs in any of several kinds of flowers. 
E)  the female moth collects yucca pollen. 
A)  the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
B)  some of the developing yucca seeds feed the yucca caterpillars. 
C)  the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs. 
D)  the yucca plant is dependent on the yucca moth to reproduce, but the yucca moth can lay its eggs in any of several kinds of flowers. 
E)  the female moth collects yucca pollen.

Question 16

The female reproductive structure, the carpel, consists of

Accepted Answer

A)  filament, anther, and pollen. 
B)  stigma, filament, and sepals. 
C)  stigma, style, and ovary. 
D)  sepals, petals, and ovary. 
E)  stamen, sepals, and filament. 
A)  filament, anther, and pollen. 
B)  stigma, filament, and sepals. 
C)  stigma, style, and ovary. 
D)  sepals, petals, and ovary. 
E)  stamen, sepals, and filament.

Question 17

In general, the plant life cycle has evolved from _ _ to .

Accepted Answer

A)  dominant gamete; dominant gametophyte 
B)  dominant sporophyte; dominant gametophyte 
C)  dominant gamete; dominant spore 
D)  dominant spore; dominant gamete 
E)  dominant gametophyte; dominant sporophyte 
A)  dominant gamete; dominant gametophyte 
B)  dominant sporophyte; dominant gametophyte 
C)  dominant gamete; dominant spore 
D)  dominant spore; dominant gamete 
E)  dominant gametophyte; dominant sporophyte

Question 18

The aptly named dead horse arum has a heat- producing flower. What advantage does this heat provide?

Accepted Answer

A)  It prevents inefficient pollinators from collecting pollen. 
B)  It increases the evaporation of the scent, attracting pollinators from greater distances. 
C)  It creates a barrier to invasive plant species. 
D)  It enables blooms to emerge through snow. 
E)  It warms the pollinators, which are usually bats. 
A)  It prevents inefficient pollinators from collecting pollen. 
B)  It increases the evaporation of the scent, attracting pollinators from greater distances. 
C)  It creates a barrier to invasive plant species. 
D)  It enables blooms to emerge through snow. 
E)  It warms the pollinators, which are usually bats.

Question 19

are modified leaves that are often green and surround the flower bud.

Accepted Answer

A)  Petals 
B)  Ovules 
C)  Filaments 
D)  Sepals 
E)  Stigma 
A)  Petals 
B)  Ovules 
C)  Filaments 
D)  Sepals 
E)  Stigma

Question 20

The seed coat develops from the

Accepted Answer

A)  integuments of the ovule. 
B)  female gametophyte. 
C)  wall of the pollen sac. 
D)  endosperm. 
E)  ovary wall. 
A)  integuments of the ovule. 
B)  female gametophyte. 
C)  wall of the pollen sac. 
D)  endosperm. 
E)  ovary wall.

Exam 45: Plant Reproduction and Development

Based on the leaflike sepals in the flower shown in the figure and on the other visible characteristics, this flower is a(n)

What are the typical shape, color, and nectar content of a flower that is pollinated by a hummingbird? What are the traits of a bee- pollinated flower?

Flowers that make pollen, but not ovules, lack

When you eat a cherry, you know that the fruit was derived from the and the seed was derived from the .

Some very showy desert flowers avoid desiccation of delicate floral tissues by blooming at night. They are pollinated by

The female gametophyte of angiosperms is made up of eight diploid cells and one haploid egg cell.

A flowering plant produces pollen in the

In the alternation of generations, what is formed when a spore germinates?

Ferns and mosses mainly live in environments.

In the development of a plant's ovule, the result is a gametophyte made up of

The American holly tree requires a "male" tree and a "female" tree to produce red berries in the winter, which indicates that the male flowers lack and the female flowers lack .

Conifers do not have flowers to attract pollinators. Instead, fertilization occurs

Which of the following pollinators would likely visit a flower that is relatively simple in design and smells like rotting carrion?

In many dicots, the first pair of leaves to emerge from the soil after seed germination is completely unlike all the rest of the leaves that form on that plant. In such plants, these leaves are

All of the following are true of the relationship between the yucca and the yucca moth EXCEPT

The female reproductive structure, the carpel, consists of

In general, the plant life cycle has evolved from _ _ to .

The aptly named dead horse arum has a heat- producing flower. What advantage does this heat provide?

are modified leaves that are often green and surround the flower bud.

The seed coat develops from the

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Responses to the Environment

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