Question 1

Which of the following is NOT an example of coevolution of bees and flowers?

Accepted Answer

A) Bees have body parts adapted to collect and carry nectar. 
B) Bees have body parts adapted to collect and carry pollen. 
C) Flowers pollinated by bees are usually red. 
D) Flowers pollinated by bees have distinctive markings. 
E) Flowers pollinated by bees have showy, brightly colored petals. 
A) Bees have body parts adapted to collect and carry nectar. 
B) Bees have body parts adapted to collect and carry pollen. 
C) Flowers pollinated by bees are usually red. 
D) Flowers pollinated by bees have distinctive markings. 
E) Flowers pollinated by bees have showy, brightly colored petals. C

Question 2

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. C

Question 3

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

Accepted Answer

A) True 
 B)False  True

Question 4

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 5

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 6

The magnoliids were the first lineage to diverge within the Mesangiospermae.

Accepted Answer

A) True 
 B)False

Question 7

By definition an accessory fruit develops from:

Accepted Answer

A) a single ovary only. 
B) an ovary plus additional flower parts. 
C) several carpels of one gynoecium. 
D) the gynoecia of more than one flower. 
E) a receptacle only. 
A) a single ovary only. 
B) an ovary plus additional flower parts. 
C) several carpels of one gynoecium. 
D) the gynoecia of more than one flower. 
E) a receptacle only.

Question 8

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 9

Archaefructus is the first intact fossil of a mature eudicot.

Accepted Answer

A) True 
 B)False

Question 10

In most angiosperms, petals are probably evolutionary derivatives of:

Accepted Answer

A) stamens. 
B) sepals. 
C) carpels. 
D) receptacles. 
E) peduncles. 
A) stamens. 
B) sepals. 
C) carpels. 
D) receptacles. 
E) peduncles.

Question 11

The red color of beets is due to the presence of:

Accepted Answer

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

Question 12

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 13

Which of the following is NOT an evolutionary trend among flowers?

Accepted Answer

A) from radial symmetry to bilateral symmetry 
B) from unfused floral parts to fused floral parts 
C) from an inferior ovary to a superior ovary 
D) from an indefinite number of parts to a definite number of parts 
E) from an undifferentiated perianth to one differentiated into a distinct calyx and corolla 
A) from radial symmetry to bilateral symmetry 
B) from unfused floral parts to fused floral parts 
C) from an inferior ovary to a superior ovary 
D) from an indefinite number of parts to a definite number of parts 
E) from an undifferentiated perianth to one differentiated into a distinct calyx and corolla

Question 14

A simple fruit in which the inner layer of the fruit wall is fleshy 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 15

A _______, characteristic of the pea family and others, splits open at maturity into two or more one-seeded portions.

Accepted Answer

A) cypsela 
B) schizocarp 
C) caryopsis 
D) legume 
E) silique 
A) cypsela 
B) schizocarp 
C) caryopsis 
D) legume 
E) silique

Question 16

The grains typical of the grass family are a type of fruit known as a:

Accepted Answer

A) samara. 
B) follicle. 
C) caryopsis. 
D) silique. 
E) capsule. 
A) samara. 
B) follicle. 
C) caryopsis. 
D) silique. 
E) capsule.

Question 17

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 18

Most flowers pollinated by birds:

Accepted Answer

A) are blue or purple. 
B) are red or yellow. 
C) are white. 
D) have a strong odor. 
E) have landing platforms. 
A) are blue or purple. 
B) are red or yellow. 
C) are white. 
D) have a strong odor. 
E) have landing platforms.

Question 19

In "food-deception," the plant signals the presence of nectar without providing it.

Accepted Answer

A) True 
 B)False

Question 20

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.

Exam 20: Evolution of the Angiosperms

Which of the following is NOT an example of coevolution of bees and flowers?

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

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

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

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

The magnoliids were the first lineage to diverge within the Mesangiospermae.

By definition an accessory fruit develops from:

The most important pigments in floral coloration are:

Archaefructus is the first intact fossil of a mature eudicot.

In most angiosperms, petals are probably evolutionary derivatives of:

The red color of beets is due to the presence of:

In archaic angiosperms, the carpels:

Which of the following is NOT an evolutionary trend among flowers?

A simple fruit in which the inner layer of the fruit wall is fleshy is a(n):

A _______, characteristic of the pea family and others, splits open at maturity into two or more one-seeded portions.

The grains typical of the grass family are a type of fruit known as a:

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

Most flowers pollinated by birds:

In "food-deception," the plant signals the presence of nectar without providing it.

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

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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