Question 1

Which of the following is NOT a characteristic of Archaefructus?

Accepted Answer

A) seeds enclosed in carpels 
B) stamens 
C) petals 
D) dissected leaves 
E) an aquatic habitat 
A) seeds enclosed in carpels 
B) stamens 
C) petals 
D) dissected leaves 
E) an aquatic habitat

Question 2

Gnetophytes are more closely related to angiosperms than to gymnosperms.

Accepted Answer

A) True 
 B)False

Question 3

Either seeds or fruits may have wings or plumes for wind dispersal.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following do NOT have single-pored pollen?

Accepted Answer

A) monocots 
B) Amborellaceae 
C) Nymphaeales 
D) Australobaileyales 
E) eudicots 
A) monocots 
B) Amborellaceae 
C) Nymphaeales 
D) Australobaileyales 
E) eudicots

Question 5

"Honey guides" are usually located on the petals of bee-pollinated flowers.

Accepted Answer

A) True 
 B)False

Question 6

The Nymphaeales (water lilies) are classified as basal angiosperms.

Accepted Answer

A) True 
 B)False

Question 7

The largest angiosperm family is the:

Accepted Answer

A) Magnoliaceae. 
B) Asteraceae. 
C) Piperaceae. 
D) Orchidaceae. 
E) Aristolochiaceae. 
A) Magnoliaceae. 
B) Asteraceae. 
C) Piperaceae. 
D) Orchidaceae. 
E) Aristolochiaceae.

Question 8

What is the apparent function of most secondary plant products?

Accepted Answer

A) attracting pollinators 
B) facilitating fruit or seed dispersal 
C) serving as plant hormones 
D) serving as sources of energy for the plant 
E) restricting the palatability of the plant to herbivores 
A) attracting pollinators 
B) facilitating fruit or seed dispersal 
C) serving as plant hormones 
D) serving as sources of energy for the plant 
E) restricting the palatability of the plant to herbivores

Question 9

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 10

Bougainvillea flowers are red due to the presence of anthocyanins as well as betacyanins.

Accepted Answer

A) True 
 B)False

Question 11

Ultraviolet absorbance in flowers is related to the presence of:

Accepted Answer

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

Question 12

Which of the following statements concerning pollination by "deception" is FALSE?

Accepted Answer

A) "Food-deception" is practiced by about one-third of orchid species. 
B) "Sex-deception" occurs exclusively in the grasses. 
C) Food-deceivers mimic the appearance of food-rewarding flowers. 
D) Sex-deceivers mimic the appearance of a female insect. 
E) Sex-deceivers give off fragrances that resemble pheromones. 
A) "Food-deception" is practiced by about one-third of orchid species. 
B) "Sex-deception" occurs exclusively in the grasses. 
C) Food-deceivers mimic the appearance of food-rewarding flowers. 
D) Sex-deceivers mimic the appearance of a female insect. 
E) Sex-deceivers give off fragrances that resemble pheromones.

Question 13

A parthenocarpic fruit is one that develops without seeds

Accepted Answer

A) True 
 B)False

Question 14

Ray flowers and disk flowers are characteristic of the:

Accepted Answer

A) Magnoliaceae. 
B) Asteraceae. 
C) Piperaceae. 
D) Orchidaceae. 
E) Aristolochiaceae. 
A) Magnoliaceae. 
B) Asteraceae. 
C) Piperaceae. 
D) Orchidaceae. 
E) Aristolochiaceae.

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 17

The pollinium consists of the:

Accepted Answer

A) anther and filament. 
B) contents of an anther. 
C) stamen fused with the stigma and style. 
D) two lateral petals and the cuplike lip. 
E) meristems used to clone orchids. 
A) anther and filament. 
B) contents of an anther. 
C) stamen fused with the stigma and style. 
D) two lateral petals and the cuplike lip. 
E) meristems used to clone orchids.

Question 18

The fruit characteristic of the pea family is a(n):

Accepted Answer

A) achene. 
B) follicle. 
C) legume. 
D) silique. 
E) capsule. 
A) achene. 
B) follicle. 
C) legume. 
D) silique. 
E) capsule.

Question 19

Amborella is a sister group of the Mesangiospermae.

Accepted Answer

A) True 
 B)False

Question 20

The nectary of a moth-pollinated flower is usually at the top of the corolla tube.

Accepted Answer

A) True 
 B)False

Exam 20: Evolution of the Angiosperms

Which of the following is NOT a characteristic of Archaefructus?

Gnetophytes are more closely related to angiosperms than to gymnosperms.

Either seeds or fruits may have wings or plumes for wind dispersal.

Which of the following do NOT have single-pored pollen?

"Honey guides" are usually located on the petals of bee-pollinated flowers.

The Nymphaeales (water lilies) are classified as basal angiosperms.

The largest angiosperm family is the:

What is the apparent function of most secondary plant products?

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

Bougainvillea flowers are red due to the presence of anthocyanins as well as betacyanins.

Ultraviolet absorbance in flowers is related to the presence of:

Which of the following statements concerning pollination by "deception" is FALSE?

A parthenocarpic fruit is one that develops without seeds

Ray flowers and disk flowers are characteristic of the:

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

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

The pollinium consists of the:

The fruit characteristic of the pea family is a(n):

Amborella is a sister group of the Mesangiospermae.

The nectary of a moth-pollinated flower is usually at the top of the corolla tube.

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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