Question 1

Which of the following groups of plants produces "wood" (extensively proliferated xylem)?

Accepted Answer

A)  Plants that produce seeds 
B)  Only plants that do not have pollen 
C)  All plants that depend on water for fertilization 
D)  Only plants that produce haploid spores 
E)  All plants with vascular systems 
A)  Plants that produce seeds 
B)  Only plants that do not have pollen 
C)  All plants that depend on water for fertilization 
D)  Only plants that produce haploid spores 
E)  All plants with vascular systems

Question 2

Which of the following roles do animals play in the life cycle of plants?

Accepted Answer

A)  They act as pollinators. 
B)  They assist in dispersal of seeds. 
C)  They promote fertilization. 
D)  They contribute to genetic diversity of plants. 
E)  All of the above 
A)  They act as pollinators. 
B)  They assist in dispersal of seeds. 
C)  They promote fertilization. 
D)  They contribute to genetic diversity of plants. 
E)  All of the above

Question 3

In most regions of Earth today, land flora consists predominantly of

Accepted Answer

A)  angiosperms. 
B)  gymnosperms. 
C)  ferns. 
D)  bryophytes. 
E)  club mosses. 
A)  angiosperms. 
B)  gymnosperms. 
C)  ferns. 
D)  bryophytes. 
E)  club mosses.

Question 4

Which of the following characteristics of the vascular system are not unique to angiosperms?

Accepted Answer

A)  Production of secondary xylem 
B)  The presence of phloem companion cells 
C)  Vessel elements in the xylem 
D)  Fibers in the xylem 
E)  Both a and d 
A)  Production of secondary xylem 
B)  The presence of phloem companion cells 
C)  Vessel elements in the xylem 
D)  Fibers in the xylem 
E)  Both a and d

Question 5

Which of the following statements regarding plants is false?

Accepted Answer

A)  They are primary producers. 
B)  They improve Earth's atmosphere. 
C)  They decrease humidity. 
D)  They prevent soil erosion. 
E)  They are sources of medicines. 
A)  They are primary producers. 
B)  They improve Earth's atmosphere. 
C)  They decrease humidity. 
D)  They prevent soil erosion. 
E)  They are sources of medicines.

Question 6

Use the following to answer questions :
Refer to the diagram below, of double fertilization.  
-Which of the structures labeled A through G are nonhaploid nuclei or cells? Identify their labels.

Accepted Answer

Endosperm

Question 7

The sterile sporophyte structures that surround the megasporangium are called the _______.

Accepted Answer

The answer of The sterile sporophyte structures that surround the...

Question 8

What is a cotyledon? What role does it play in the classification of angiosperms into two monophyletic groups?

Accepted Answer

A cotyledon is the first "seed

Question 9

In a flower, the male organs are contained in the _______, and the female organs are contained in the _______.

Accepted Answer

The answer of In a flower, the male organs are...

Question 10

Amborella

Accepted Answer

A)  was the first flowering plant. 
B)  belongs to the first gymnosperm clade. 
C)  is the sister group of all other living angiosperms. 
D)  is a eudicot. 
E)  has vessel elements in its xylem. 
A)  was the first flowering plant. 
B)  belongs to the first gymnosperm clade. 
C)  is the sister group of all other living angiosperms. 
D)  is a eudicot. 
E)  has vessel elements in its xylem.

Question 11

Cycads, ginkgos, gnetophytes, and conifers all fall within the more inclusive group called the _______, of which there are fewer than 1,200 living species.

Accepted Answer

The answer of Cycads, ginkgos, gnetophytes, and conifers all fall...

Question 12

The origin of angiosperms

Accepted Answer

A)  has been established from the fossil record. 
B)  remains a mystery. 
C)  has been established from molecular and morphological evidence. 
D)  is likely to have involved plants in the magnolia family. 
E)  is likely to have involved gnetophytes. 
A)  has been established from the fossil record. 
B)  remains a mystery. 
C)  has been established from molecular and morphological evidence. 
D)  is likely to have involved plants in the magnolia family. 
E)  is likely to have involved gnetophytes.

Question 13

Use the following to answer questions :
Refer to the diagram below of a flower .  
-What is the name of the floral part where the megasporangium resides? Identify its label.

Accepted Answer

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

Question 14

Which of the following groups of plants do not have a free-living gametophyte generation?

Accepted Answer

A)  Green algae 
B)  Ferns 
C)  Gymnosperms 
D)  Liverworts 
E)  Both a and c 
A)  Green algae 
B)  Ferns 
C)  Gymnosperms 
D)  Liverworts 
E)  Both a and c

Question 15

Which of the following drugs is derived from foxglove and used to strengthen contractions of the heart?

Accepted Answer

A)  Atropine 
B)  Ephedrine 
C)  Morphine 
D)  Tubocurarine 
E)  Digitalin 
A)  Atropine 
B)  Ephedrine 
C)  Morphine 
D)  Tubocurarine 
E)  Digitalin

Question 16

Which of the following regarding the reason seed plants are prevalent is false?

Accepted Answer

A)  Seeds may be dispersed over long distances. 
B)  Seeds may remain dormant for years if conditions are not right for germination. 
C)  Seeds provide nutrition for the growing embryo. 
D)  They are tracheophytes. 
E)  Seeds are only dispersed locally. 
A)  Seeds may be dispersed over long distances. 
B)  Seeds may remain dormant for years if conditions are not right for germination. 
C)  Seeds provide nutrition for the growing embryo. 
D)  They are tracheophytes. 
E)  Seeds are only dispersed locally.

Question 17

All plant life cycles have generations that alternate between the gametophyte generation and the _______ generation.

Accepted Answer

A)  heteromorphic 
B)  sporophyte 
C)  vascular 
D)  archegonium 
E)  antheridium 
A)  heteromorphic 
B)  sporophyte 
C)  vascular 
D)  archegonium 
E)  antheridium

Question 18

Gymnosperms differ from ferns in that gymnosperms

Accepted Answer

A)  have pollen. 
B)  have a vascular system. 
C)  do not produce seeds. 
D)  have stomata. 
E)  Both a and c 
A)  have pollen. 
B)  have a vascular system. 
C)  do not produce seeds. 
D)  have stomata. 
E)  Both a and c

Question 19

Use the following to answer questions :
Refer to the diagram below of a flower .  
-What is the name of the floral part where microgametophytes are produced? Identify its label.

Accepted Answer

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

Question 20

Two hundred million years ago, dinosaurs were Earth's dominant animals, and _______ comprised the dominant vegetation.

Accepted Answer

A)  early whisk ferns 
B)  horsetails and tree ferns 
C)  lycopods and ferns 
D)  gymnosperms 
E)  angiosperms 
A)  early whisk ferns 
B)  horsetails and tree ferns 
C)  lycopods and ferns 
D)  gymnosperms 
E)  angiosperms

Exam 29: The Evolution of Seed Plants

Which of the following groups of plants produces "wood" (extensively proliferated xylem)?

Which of the following roles do animals play in the life cycle of plants?

In most regions of Earth today, land flora consists predominantly of

Which of the following characteristics of the vascular system are not unique to angiosperms?

Which of the following statements regarding plants is false?

Use the following to answer questions : Refer to the diagram below, of double fertilization. -Which of the structures labeled A through G are nonhaploid nuclei or cells? Identify their labels.

The sterile sporophyte structures that surround the megasporangium are called the _______.

What is a cotyledon? What role does it play in the classification of angiosperms into two monophyletic groups?

In a flower, the male organs are contained in the _______, and the female organs are contained in the _______.

Amborella

Cycads, ginkgos, gnetophytes, and conifers all fall within the more inclusive group called the _______, of which there are fewer than 1,200 living species.

The origin of angiosperms

Use the following to answer questions : Refer to the diagram below of a flower . -What is the name of the floral part where the megasporangium resides? Identify its label.

Which of the following groups of plants do not have a free-living gametophyte generation?

Which of the following drugs is derived from foxglove and used to strengthen contractions of the heart?

Which of the following regarding the reason seed plants are prevalent is false?

All plant life cycles have generations that alternate between the gametophyte generation and the _______ generation.

Gymnosperms differ from ferns in that gymnosperms

Use the following to answer questions : Refer to the diagram below of a flower . -What is the name of the floral part where microgametophytes are produced? Identify its label.

Two hundred million years ago, dinosaurs were Earth's dominant animals, and _______ comprised the dominant vegetation.

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

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In a flower, the male organs are contained in the _, and the female organs are contained in the _.