Question 1

With regard to reproduction, how do gymnosperms differ from angiosperms?

Accepted Answer

Gymnosperms do not p

Question 2

Which evolutionary plant innovation eliminated the need for sperm to swim through water in order to fertilize an egg, resulting in plants being truly adapted for reproduction on land?

Accepted Answer

A)  Rhizoids 
B)  Fruit 
C)  Independent gametophyte 
D)  Pollen 
E)  Roots 
A)  Rhizoids 
B)  Fruit 
C)  Independent gametophyte 
D)  Pollen 
E)  Roots

Question 3

In flowering plants, what is the relationship between the sporophyte and gametophyte?

Accepted Answer

A)  Flowering plants do not produce sporophytes. 
B)  The sporophyte and gametophyte are independent of each other. 
C)  The sporophyte is dominant, and the gametophyte is retained on the sporophyte. 
D)  The gametophyte is dominant, and the sporophyte is microscopic. 
E)  Flowering plants do not produce gametophytes. 
A)  Flowering plants do not produce sporophytes. 
B)  The sporophyte and gametophyte are independent of each other. 
C)  The sporophyte is dominant, and the gametophyte is retained on the sporophyte. 
D)  The gametophyte is dominant, and the sporophyte is microscopic. 
E)  Flowering plants do not produce gametophytes.

Question 4

A mature pine tree is part of the__________ generation.

Accepted Answer

sporophyte

Question 5

Plants increase the rate at which water leaves terrestrial ecosystems.

Accepted Answer

A) True 
 B)False

Question 6

In some areas of the world where there are large numbers of pine trees, in the spring everything is covered with a yellow dust that turns out to be pine pollen. Why must conifers produce so much pollen, and why doesnʹt a field of flowers produce so much pollen?

Accepted Answer

Pines are pollinated by the wi

Question 7

Which of the following is a characteristic of nonvascular plants?

Accepted Answer

A)  Small size 
B)  Extensive root system 
C)  Stems and leaves 
D)  Xylem and phloem 
E)  All of the above 
A)  Small size 
B)  Extensive root system 
C)  Stems and leaves 
D)  Xylem and phloem 
E)  All of the above

Question 8

Club mosses and horsetails have vascular tissue.

Accepted Answer

A) True 
 B)False

Question 9

Roses are classified as

Accepted Answer

A)  angiosperms. 
B)  bryophytes. 
C)  seedless vascular plants. 
D)  gymnosperms. 
E)  ferns. 
A)  angiosperms. 
B)  bryophytes. 
C)  seedless vascular plants. 
D)  gymnosperms. 
E)  ferns.

Question 10

Which of the following is a plant-derived heart medication?

Accepted Answer

A)  Vinblastine 
B)  Codeine 
C)  Taxol 
D)  Morphine 
E)  Digoxin 
A)  Vinblastine 
B)  Codeine 
C)  Taxol 
D)  Morphine 
E)  Digoxin

Question 11

Why canʹt you buy fern seeds from a garden supply store?

Accepted Answer

A)  The seeds are extremely rare. 
B)  Fern seeds do not survive long after they are produced. 
C)  The seeds are too small to package. 
D)  Fern seeds must stay moist. 
E)  Ferns do not produce seeds. 
A)  The seeds are extremely rare. 
B)  Fern seeds do not survive long after they are produced. 
C)  The seeds are too small to package. 
D)  Fern seeds must stay moist. 
E)  Ferns do not produce seeds.

Question 12

Which group of land plants is most restricted to moist environments?

Accepted Answer

A)  Bryophytes 
B)  Angiosperms 
C)  Anthophyta 
D)  Vascular plants 
E)  Tracheophytes 
A)  Bryophytes 
B)  Angiosperms 
C)  Anthophyta 
D)  Vascular plants 
E)  Tracheophytes

Question 13

While walking along a streambed, you encounter a reedy seedless plant. Upon closer inspection, you determine that the stems contain large amounts of silica and have tiny scale -like leaves. This plant is most likely a

Accepted Answer

A)  cycad. 
B)  moss. 
C)  fern. 
D)  horsetail. 
E)  liverwort. 
A)  cycad. 
B)  moss. 
C)  fern. 
D)  horsetail. 
E)  liverwort.

Question 14

What advantage do seed plants have over spore-forming plants?

Accepted Answer

Seeds tolerate drying better a

Question 15

Most gymnosperms are pollinated by

Accepted Answer

A)  wind. 
B)  insects. 
C)  birds. 
D)  lizards. 
E)  shrews. 
A)  wind. 
B)  insects. 
C)  birds. 
D)  lizards. 
E)  shrews.

Exam 22: The Diversity of Plants

With regard to reproduction, how do gymnosperms differ from angiosperms?

Which evolutionary plant innovation eliminated the need for sperm to swim through water in order to fertilize an egg, resulting in plants being truly adapted for reproduction on land?

In flowering plants, what is the relationship between the sporophyte and gametophyte?

A mature pine tree is part of the__________ generation.

Plants increase the rate at which water leaves terrestrial ecosystems.

In some areas of the world where there are large numbers of pine trees, in the spring everything is covered with a yellow dust that turns out to be pine pollen. Why must conifers produce so much pollen, and why doesnʹt a field of flowers produce so much pollen?

Which of the following is a characteristic of nonvascular plants?

Club mosses and horsetails have vascular tissue.

Roses are classified as

Which of the following is a plant-derived heart medication?

Why canʹt you buy fern seeds from a garden supply store?

Which group of land plants is most restricted to moist environments?

While walking along a streambed, you encounter a reedy seedless plant. Upon closer inspection, you determine that the stems contain large amounts of silica and have tiny scale -like leaves. This plant is most likely a

What advantage do seed plants have over spore-forming plants?

Most gymnosperms are pollinated by

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 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 Reproduction and Development

Plant Responses to the Environment

Filters