Question 1

In angiosperms, there is a general trend from bilateral to radial symmetry.

Accepted Answer

A) True 
 B)False

Question 2

A simple fruit in which the fleshy portion is derived largely from the base of the perianth is a(n):

Accepted Answer

A)  berry. 
B)  drupe. 
C)  pome. 
D)  follicle. 
E)  achene. 
A)  berry. 
B)  drupe. 
C)  pome. 
D)  follicle. 
E)  achene.

Question 3

The most important pigments in floral coloration are:

Accepted Answer

A)  anthocyanins. 
B)  flavonols. 
C)  flavonoids. 
D)  carotenoids. 
E)  betacyanins. 
A)  anthocyanins. 
B)  flavonols. 
C)  flavonoids. 
D)  carotenoids. 
E)  betacyanins.

Question 4

The monocots and eudicots comprise approximately _____ percent of living angiosperms.

Accepted Answer

A)  97 
B)  63 
C)  50 
D)  10 
E)  3 
A)  97 
B)  63 
C)  50 
D)  10 
E)  3

Question 5

Wind-pollinated flowers often have feathery outgrowths for intercepting pollen grains.

Accepted Answer

A) True 
 B)False

Question 6

Gnetophytes are more closely related to angiosperms than to gymnosperms.

Accepted Answer

A) True 
 B)False

Question 7

In archaic angiosperms, the carpels:

Accepted Answer

A)  are leaflike. 
B)  are fused. 
C)  are completely closed. 
D)  lack ovules. 
E)  are sharply differentiated into stigma, style, and ovary. 
A)  are leaflike. 
B)  are fused. 
C)  are completely closed. 
D)  lack ovules. 
E)  are sharply differentiated into stigma, style, and ovary.

Question 8

The most important flower-visiting animals in angiosperm evolution are:

Accepted Answer

A)  bees. 
B)  birds. 
C)  beetles. 
D)  bats. 
E)  moths and butterflies. 
A)  bees. 
B)  birds. 
C)  beetles. 
D)  bats. 
E)  moths and butterflies.

Question 9

The red and blue pigments stored in vacuoles in flowers are:

Accepted Answer

A)  anthocyanins. 
B)  flavonols. 
C)  betalains. 
D)  carotenoids. 
E)  betacyanins. 
A)  anthocyanins. 
B)  flavonols. 
C)  betalains. 
D)  carotenoids. 
E)  betacyanins.

Question 10

Apples and pears are:

Accepted Answer

A)  aggregate fruits. 
B)  multiple fruits. 
C)  simple accessory fruits. 
D)  aggregate accessory fruits. 
E)  parthenocarpic fruits. 
A)  aggregate fruits. 
B)  multiple fruits. 
C)  simple accessory fruits. 
D)  aggregate accessory fruits. 
E)  parthenocarpic fruits.

Question 11

Which of the following was NOT an evolutionary adaptation of angiosperms in response to insects?

Accepted Answer

A)  closed carpels 
B)  inferior ovary 
C)  edible flower parts 
D)  floral nectaries 
E)  unisexual flowers 
A)  closed carpels 
B)  inferior ovary 
C)  edible flower parts 
D)  floral nectaries 
E)  unisexual flowers

Question 12

Like gymnosperms, the earliest angiosperms had pollen grains with a single pore.

Accepted Answer

A) True 
 B)False

Question 13

Angiosperms first appear in the fossil record in the ______ period.

Accepted Answer

A)  Devonian 
B)  Carboniferous 
C)  Triassic 
D)  Cretaceous 
E)  Tertiary 
A)  Devonian 
B)  Carboniferous 
C)  Triassic 
D)  Cretaceous 
E)  Tertiary

Question 14

Which of the following is NOT a unique characteristic of the angiosperms?

Accepted Answer

A)  Double fertilization producing endosperm 
B)  Stamens with four pairs of pollen sacs 
C)  A three-nucleate microgametophyte 
D)  A reduced (e.g., seven-celled, eight-nucleate) megagametophyte 
E)  Phloem having sieve tube elements and companion cells 
A)  Double fertilization producing endosperm 
B)  Stamens with four pairs of pollen sacs 
C)  A three-nucleate microgametophyte 
D)  A reduced (e.g., seven-celled, eight-nucleate) megagametophyte 
E)  Phloem having sieve tube elements and companion cells

Question 15

A pollinium is a pollen-dispersal unit characteristic of the Orchidaceae.

Accepted Answer

A) True 
 B)False

Question 16

The red, orange, and yellow pigments of flowers are:

Accepted Answer

A)  anthocyanins. 
B)  flavonols. 
C)  flavonoids. 
D)  carotenoids. 
E)  betacyanins. 
A)  anthocyanins. 
B)  flavonols. 
C)  flavonoids. 
D)  carotenoids. 
E)  betacyanins.

Question 17

Which of the following statements concerning Amborella is FALSE?

Accepted Answer

A)  It lacks vessels. 
B)  It belongs to the Mesangiospermae. 
C)  It has monoaperturate pollen. 
D)  It has an eight-celled, nine-nucleat embryo sac. 
E)  It is a basal grade angiosperm. 
A)  It lacks vessels. 
B)  It belongs to the Mesangiospermae. 
C)  It has monoaperturate pollen. 
D)  It has an eight-celled, nine-nucleat embryo sac. 
E)  It is a basal grade angiosperm.

Question 18

Which of the following statements about most bat-pollinated flowers is FALSE?

Accepted Answer

A)  They are dull colored. 
B)  They produce copious nectar. 
C)  They are relatively odorless. 
D)  They often hang down on long stalks. 
E)  They open only at night. 
A)  They are dull colored. 
B)  They produce copious nectar. 
C)  They are relatively odorless. 
D)  They often hang down on long stalks. 
E)  They open only at night.

Question 19

Which of the following statements about the coevolution of angiosperms and insects is FALSE?

Accepted Answer

A)  Angiosperms exhibit a wide variety of pollination mechanisms. 
B)  Angiosperms exhibit a wide variety of fruit-dispersal mechanisms. 
C)  Whole families of plants are associated with major groups of plant-eating insects. 
D)  Whole families of plants can be characterized biochemically. 
E)  Many of the possible coevolution variants have evolved only once within a particular plant family. 
A)  Angiosperms exhibit a wide variety of pollination mechanisms. 
B)  Angiosperms exhibit a wide variety of fruit-dispersal mechanisms. 
C)  Whole families of plants are associated with major groups of plant-eating insects. 
D)  Whole families of plants can be characterized biochemically. 
E)  Many of the possible coevolution variants have evolved only once within a particular plant family.

Question 20

A relationship between plants of the mustard family Brassicaceae and larvae of the butterfly family Pierinae has developed such that the larvae:

Accepted Answer

A)  die when they eat the plants. 
B)  escape predation by mimicry. 
C)  provide food for the ants that live on the plants. 
D)  feed only on those plants. 
E)  protect the plants from herbivores. 
A)  die when they eat the plants. 
B)  escape predation by mimicry. 
C)  provide food for the ants that live on the plants. 
D)  feed only on those plants. 
E)  protect the plants from herbivores.

Exam 20: Evolution of the Angiosperms

In angiosperms, there is a general trend from bilateral to radial symmetry.

A simple fruit in which the fleshy portion is derived largely from the base of the perianth is a(n):

The most important pigments in floral coloration are:

The monocots and eudicots comprise approximately _____ percent of living angiosperms.

Wind-pollinated flowers often have feathery outgrowths for intercepting pollen grains.

Gnetophytes are more closely related to angiosperms than to gymnosperms.

In archaic angiosperms, the carpels:

The most important flower-visiting animals in angiosperm evolution are:

The red and blue pigments stored in vacuoles in flowers are:

Apples and pears are:

Which of the following was NOT an evolutionary adaptation of angiosperms in response to insects?

Like gymnosperms, the earliest angiosperms had pollen grains with a single pore.

Angiosperms first appear in the fossil record in the ______ period.

Which of the following is NOT a unique characteristic of the angiosperms?

A pollinium is a pollen-dispersal unit characteristic of the Orchidaceae.

The red, orange, and yellow pigments of flowers are:

Which of the following statements concerning Amborella is FALSE?

Which of the following statements about most bat-pollinated flowers is FALSE?

Which of the following statements about the coevolution of angiosperms and insects is FALSE?

A relationship between plants of the mustard family Brassicaceae and larvae of the butterfly family Pierinae has developed such that the larvae:

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

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