Question 1

One difference between gymnosperms and angiosperms is that gymnosperms

Accepted Answer

A)  do not form seeds. 
B)  do not form flowers. 
C)  do not have tracheid cells. 
D)  rely solely on wind for fertilization. 
E)  None of the above 
A)  do not form seeds. 
B)  do not form flowers. 
C)  do not have tracheid cells. 
D)  rely solely on wind for fertilization. 
E)  None of the above

Question 2

A seed may contain tissue from _______ different generations.

Accepted Answer

The answer of A seed may contain tissue from _______...

Question 3

Which of the following statements regarding gymnosperms is true?

Accepted Answer

A)  All gymnosperms produce cones. 
B)  Gymnosperms are heterosporous. 
C)  Gymnosperm seeds have no protection. 
D)  Only some living gymnosperms are woody. 
E)  Gymnosperms all have swimming sperm. 
A)  All gymnosperms produce cones. 
B)  Gymnosperms are heterosporous. 
C)  Gymnosperm seeds have no protection. 
D)  Only some living gymnosperms are woody. 
E)  Gymnosperms all have swimming sperm.

Question 4

Which statement is not true of carpels?

Accepted Answer

A)  They are thought to have evolved from leaves. 
B)  They bear megasporangia. 
C)  They may fuse to form a pistil. 
D)  They are floral organs. 
E)  They are absent in perfect flowers. 
A)  They are thought to have evolved from leaves. 
B)  They bear megasporangia. 
C)  They may fuse to form a pistil. 
D)  They are floral organs. 
E)  They are absent in perfect flowers.

Question 5

In angiosperms, pollen is transferred from the _______ to the _______.

Accepted Answer

A)  anther; style 
B)  filament; ovary 
C)  anther; stigma 
D)  filament; stigma 
E)  anther; ovule 
A)  anther; style 
B)  filament; ovary 
C)  anther; stigma 
D)  filament; stigma 
E)  anther; ovule

Question 6

Western medicine uses chemicals from plant sources in a variety of medical applications. Which of the following is an important anticancer drug that comes from extracts of the bark of Pacific yews?

Accepted Answer

A)  Atropine 
B)  Bromelian 
C)  Tubocurarine 
D)  Taxol 
E)  Menthol 
A)  Atropine 
B)  Bromelian 
C)  Tubocurarine 
D)  Taxol 
E)  Menthol

Question 7

Which statement about flowers is not true?

Accepted Answer

A)  Pollen is produced in the anthers. 
B)  Pollen is received on the stigma. 
C)  An inflorescence is a cluster of flowers. 
D)  A species having female and male flowers on the same plant is dioecious. 
E)  A flower with both megasporangia and microsporangia is said to be perfect. 
A)  Pollen is produced in the anthers. 
B)  Pollen is received on the stigma. 
C)  An inflorescence is a cluster of flowers. 
D)  A species having female and male flowers on the same plant is dioecious. 
E)  A flower with both megasporangia and microsporangia is said to be perfect.

Question 8

Which of the following statements about seed plants is true?

Accepted Answer

A)  Seeds are produced only by flowering plants (angiosperms). 
B)  The sporophyte generation is more reduced in seed plants than in the ferns. 
C)  The gametophytes of seed plants are independent of the sporophytes. 
D)  All seed plant species are heterosporous. 
E)  The zygote of seed plants divides repeatedly to form the gametophyte. 
A)  Seeds are produced only by flowering plants (angiosperms). 
B)  The sporophyte generation is more reduced in seed plants than in the ferns. 
C)  The gametophytes of seed plants are independent of the sporophytes. 
D)  All seed plant species are heterosporous. 
E)  The zygote of seed plants divides repeatedly to form the gametophyte.

Question 9

Use the following to answer questions :
Refer to the diagram below of a flower .  
-What is the name of the floral parts that collectively make up the calyx? Identify its label.

Accepted Answer

The answer of Use the following to answer questions :
Refer...

Question 10

Pollen is found only in seed-producing vascular plants. What role did pollen play in vascular plant evolution? Is pollen a sporophyte or gametophyte?

Accepted Answer

Pollen is the male gametophyte of seed v

Question 11

Use the following to answer questions:
Match the correct group from the list below with the descriptions that follow. 
-Represented today by a single species; common during the Mesozoic era; plants have fan-shaped leaves

Accepted Answer

A)  Cycads 
B)  Ginkgos 
C)  Conifers 
D)  Gnetophytes 
E)  Angiosperms 
A)  Cycads 
B)  Ginkgos 
C)  Conifers 
D)  Gnetophytes 
E)  Angiosperms

Question 12

Flowering species that produce megasporangia and microsporangia in separate flowers on the same plant have _______ flowers and are _______.

Accepted Answer

A)  perfect; monoecious 
B)  perfect; dioecious 
C)  imperfect; monoecious 
D)  imperfect; dioecious 
E)  imperfect; monoecious or dioecious 
A)  perfect; monoecious 
B)  perfect; dioecious 
C)  imperfect; monoecious 
D)  imperfect; dioecious 
E)  imperfect; monoecious or dioecious

Question 13

Conifers

Accepted Answer

A)  produce ovules in microstrobili and pollen in megastrobili. 
B)  depend on liquid water for fertilization. 
C)  have triploid endosperm. 
D)  have pollen tubes that release two sperm. 
E)  have vessel elements. 
A)  produce ovules in microstrobili and pollen in megastrobili. 
B)  depend on liquid water for fertilization. 
C)  have triploid endosperm. 
D)  have pollen tubes that release two sperm. 
E)  have vessel elements.

Question 14

Which of the following clades has the greatest number of species?

Accepted Answer

A)  Angiosperms 
B)  Conifers 
C)  Gnetophytes 
D)  Ginkgos 
E)  Cycadophytes 
A)  Angiosperms 
B)  Conifers 
C)  Gnetophytes 
D)  Ginkgos 
E)  Cycadophytes

Question 15

Use the following to answer questions :
Refer to the diagram below of a pine seed.  
-Which structure(s) represent(s) the embryo?

Accepted Answer

The answer of Use the following to answer questions :
Refer...

Question 16

The ovule consists of

Accepted Answer

A)  the megasporangium and the protective integument. 
B)  the megasporangium. 
C)  the microsporangium and the protective integument. 
D)  the microsporangium. 
E)  None of the above 
A)  the megasporangium and the protective integument. 
B)  the megasporangium. 
C)  the microsporangium and the protective integument. 
D)  the microsporangium. 
E)  None of the above

Question 17

The reproductive organ of angiosperms is the _______.

Accepted Answer

The answer of The reproductive organ of angiosperms is the...

Question 18

You are given two flowers of the same species from two separate plants. One flower has only a pistil, whereas the other has only stamens. Based on your observations, you conclude that the flowers are _______, and the species is _______.

Accepted Answer

A)  perfect; imperfect 
B)  imperfect; dioecious 
C)  monoecious; imperfect 
D)  dioecious; monoecious 
E)  None of the above 
A)  perfect; imperfect 
B)  imperfect; dioecious 
C)  monoecious; imperfect 
D)  dioecious; monoecious 
E)  None of the above

Question 19

The most abundant gymnosperms today are the cone-bearing plants, such as pines. These plants are classified as the

Accepted Answer

A)  cycads. 
B)  ginkgos. 
C)  gnetophytes. 
D)  conifers. 
E)  None of the above 
A)  cycads. 
B)  ginkgos. 
C)  gnetophytes. 
D)  conifers. 
E)  None of the above

Question 20

The _______ is triploid tissue that nourishes the embryonic sporophyte during its early development.

Accepted Answer

The answer of The _______ is triploid tissue that nourishes...

Exam 29: The Evolution of Seed Plants

One difference between gymnosperms and angiosperms is that gymnosperms

A seed may contain tissue from _______ different generations.

Which of the following statements regarding gymnosperms is true?

Which statement is not true of carpels?

In angiosperms, pollen is transferred from the _______ to the _______.

Western medicine uses chemicals from plant sources in a variety of medical applications. Which of the following is an important anticancer drug that comes from extracts of the bark of Pacific yews?

Which statement about flowers is not true?

Which of the following statements about seed plants is true?

Use the following to answer questions : Refer to the diagram below of a flower . -What is the name of the floral parts that collectively make up the calyx? Identify its label.

Pollen is found only in seed-producing vascular plants. What role did pollen play in vascular plant evolution? Is pollen a sporophyte or gametophyte?

Use the following to answer questions: Match the correct group from the list below with the descriptions that follow. -Represented today by a single species; common during the Mesozoic era; plants have fan-shaped leaves

Flowering species that produce megasporangia and microsporangia in separate flowers on the same plant have _______ flowers and are _______.

Conifers

Which of the following clades has the greatest number of species?

Use the following to answer questions : Refer to the diagram below of a pine seed. -Which structure(s) represent(s) the embryo?

The ovule consists of

The reproductive organ of angiosperms is the _______.

You are given two flowers of the same species from two separate plants. One flower has only a pistil, whereas the other has only stamens. Based on your observations, you conclude that the flowers are _______, and the species is _______.

The most abundant gymnosperms today are the cone-bearing plants, such as pines. These plants are classified as the

The _______ is triploid tissue that nourishes the embryonic sporophyte during its early development.

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

Filters

In angiosperms, pollen is transferred from the _ to the _.

Flowering species that produce megasporangia and microsporangia in separate flowers on the same plant have _ flowers and are _.

You are given two flowers of the same species from two separate plants. One flower has only a pistil, whereas the other has only stamens. Based on your observations, you conclude that the flowers are _, and the species is _.