Question 1

Some species of mosses have pollen that does not have to move through water to reach an egg.

Accepted Answer

A) True 
 B)False

Question 2

You are a naturalist traveling with a group of explorers in the higher elevations of a jungle.You see an unfamiliar-looking,tall,tree-like plant.It is producing seeds that are attached directly to a stem,but there appears to be no evidence of flowers associated with the seeds.To which group of plants does the tree belong?

Accepted Answer

A) hornworts 
B) angiosperms 
C) ferns 
D) gymnosperms 
A) hornworts 
B) angiosperms 
C) ferns 
D) gymnosperms

Question 3

Pollen grains contain:

Accepted Answer

A) spores. 
B) eggs. 
C) sperm. 
D) wings. 
A) spores. 
B) eggs. 
C) sperm. 
D) wings.

Question 4

As a more recently evolved plant group,angiosperms completely lack a gametophyte generation.

Accepted Answer

A) True 
 B)False

Question 5

________ is the angiosperm tissue that is intended for nutrition of the embryo and not animal seed dispersal but is nonetheless an important food source for people.________ and ________ are examples of crops in which the endosperm is an important food source for people.

Accepted Answer

Endosperm;

Question 6

What trend do we observe as we look at alternation of generations and plant kingdom evolution?

Accepted Answer

A) The sporophyte generation is dominant in more advanced plants. 
B) The gametophyte generation is dominant in more advanced plants. 
C) Only ferns show a significant gametophyte generation. 
D) Only gymnosperms show a significant sporophyte generation. 
A) The sporophyte generation is dominant in more advanced plants. 
B) The gametophyte generation is dominant in more advanced plants. 
C) Only ferns show a significant gametophyte generation. 
D) Only gymnosperms show a significant sporophyte generation.

Question 7

The life cycle of flowering plants contains both sporophytes and gametophytes.

Accepted Answer

A) True 
 B)False

Question 8

Diminished rewards of photosynthesis in winter along with the negatives of water loss and leaf damage cause many trees to exhibit:

Accepted Answer

A) photoperiodism. 
B) dormancy. 
C) thigmotropism. 
D) phototropism. 
A) photoperiodism. 
B) dormancy. 
C) thigmotropism. 
D) phototropism.

Question 9

A currently accepted hypothesis for gravitropism in plants is that:

Accepted Answer

A) sedimentation of organelles triggers hormone release. 
B) microscopic eyespots trigger upward (skyward)growth. 
C) ground contact inhibits stem growth while air stimulates it. 
D) bending of leaves in response to gravity triggers growth in the opposite direction. 
A) sedimentation of organelles triggers hormone release. 
B) microscopic eyespots trigger upward (skyward)growth. 
C) ground contact inhibits stem growth while air stimulates it. 
D) bending of leaves in response to gravity triggers growth in the opposite direction.

Question 10

The reserve food in angiosperm seeds is stored in a special tissue called:

Accepted Answer

A) nectar. 
B) the sporophyte. 
C) endosperm. 
D) the seed coat. 
A) nectar. 
B) the sporophyte. 
C) endosperm. 
D) the seed coat.

Question 11

In some areas of the world where there are large numbers of pines,everything is covered in the spring with a yellow dust that turns out,upon examination,to be pine pollen.Why must conifers produce so much pollen,and why do we not see as much pollen produced by a field of flowers?

Accepted Answer

Pines are wind pollinated and must produ

Question 12

Bryophytes lack:

Accepted Answer

A) chlorophyll. 
B) spores. 
C) gametes. 
D) vascular tissue. 
A) chlorophyll. 
B) spores. 
C) gametes. 
D) vascular tissue.

Question 13

In general,a seed is a:

Accepted Answer

A) protected plant embryo with a food supply. 
B) reproductive structure that requires pollen to become active. 
C) a large spore that grows into the gametophyte. 
D) plant ovary. 
A) protected plant embryo with a food supply. 
B) reproductive structure that requires pollen to become active. 
C) a large spore that grows into the gametophyte. 
D) plant ovary.

Question 14

In all plants,the diploid (2n)phase produces:

Accepted Answer

A) sperm and/or eggs. 
B) flowers. 
C) spores. 
D) roots. 
A) sperm and/or eggs. 
B) flowers. 
C) spores. 
D) roots.

Question 15

Most angiosperms are pollinated with the help of:

Accepted Answer

A) animals. 
B) wind. 
C) water currents. 
D) farming techniques. 
E) fungi. 
A) animals. 
B) wind. 
C) water currents. 
D) farming techniques. 
E) fungi.

Question 16

Although they do not possess the nervous and muscular systems animals do,plants are able to physically respond to their environments.Evaluate and support this statement.

Accepted Answer

Like fungi,plants can make a physical re

Question 17

In plant life cycles,eggs and sperm are produced by mitosis.

Accepted Answer

A) True 
 B)False

Question 18

Which statement about conifers such as the spruce tree is most accurate?

Accepted Answer

A) They comprise a small percentage of angiosperm species. 
B) They are rare, fruit-bearing gymnosperms. 
C) They comprise about three-fourths of all gymnosperm species. 
D) They are the largest seedless vascular plants. 
E) Male conifers produce cones while female trees produce flowers. 
A) They comprise a small percentage of angiosperm species. 
B) They are rare, fruit-bearing gymnosperms. 
C) They comprise about three-fourths of all gymnosperm species. 
D) They are the largest seedless vascular plants. 
E) Male conifers produce cones while female trees produce flowers.

Question 19

Which of the following would be an example of an adaptation for seed dispersal?

Accepted Answer

A) phototropism 
B) pinecones 
C) nectar production 
D) seeds wrapped in burrs 
E) deciduous cycles 
A) phototropism 
B) pinecones 
C) nectar production 
D) seeds wrapped in burrs 
E) deciduous cycles

Question 20

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

Accepted Answer

A) independent gametophyte 
B) rhizoids 
C) fruit 
D) pollen 
A) independent gametophyte 
B) rhizoids 
C) fruit 
D) pollen

Exam 24: Plants: the Diversity of Life 4

Some species of mosses have pollen that does not have to move through water to reach an egg.

Pollen grains contain:

As a more recently evolved plant group,angiosperms completely lack a gametophyte generation.

________ is the angiosperm tissue that is intended for nutrition of the embryo and not animal seed dispersal but is nonetheless an important food source for people.________ and ________ are examples of crops in which the endosperm is an important food source for people.

What trend do we observe as we look at alternation of generations and plant kingdom evolution?

The life cycle of flowering plants contains both sporophytes and gametophytes.

Diminished rewards of photosynthesis in winter along with the negatives of water loss and leaf damage cause many trees to exhibit:

A currently accepted hypothesis for gravitropism in plants is that:

The reserve food in angiosperm seeds is stored in a special tissue called:

In some areas of the world where there are large numbers of pines,everything is covered in the spring with a yellow dust that turns out,upon examination,to be pine pollen.Why must conifers produce so much pollen,and why do we not see as much pollen produced by a field of flowers?

Bryophytes lack:

In general,a seed is a:

In all plants,the diploid (2n)phase produces:

Most angiosperms are pollinated with the help of:

Although they do not possess the nervous and muscular systems animals do,plants are able to physically respond to their environments.Evaluate and support this statement.

In plant life cycles,eggs and sperm are produced by mitosis.

Which statement about conifers such as the spruce tree is most accurate?

Which of the following would be an example of an adaptation for seed dispersal?

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

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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is the angiosperm tissue that is intended for nutrition of the embryo and not animal seed dispersal but is nonetheless an important food source for people. and are examples of crops in which the endosperm is an important food source for people.