Question 1

In the earliest angiosperms, sepals normally have the same number of vascular strands as the leaves of the same plant.

Accepted Answer

A) True 
 B)False  True

Question 2

In contrast to living angiosperms, the stamens of archaic angiosperms:

Accepted Answer

A)  have thin filaments. 
B)  have thick anthers. 
C)  have terminal anthers. 
D)  are much less diverse in structure. 
E)  are colored and fleshy. 
A)  have thin filaments. 
B)  have thick anthers. 
C)  have terminal anthers. 
D)  are much less diverse in structure. 
E)  are colored and fleshy. E

Question 3

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

Accepted Answer

A) True 
 B)False  True

Question 4

Amborella is a sister group of the Mesangiospermae.

Accepted Answer

A) True 
 B)False

Question 5

Flowers pollinated by ______ are most likely to produce no nectar, have dull colors, are relatively small, and have the sexes separated on the same plant.

Accepted Answer

A)  bats 
B)  bees 
C)  butterflies 
D)  wind 
E)  beetles 
A)  bats 
B)  bees 
C)  butterflies 
D)  wind 
E)  beetles

Question 6

The function of elaiosomes is to:

Accepted Answer

A)  provide food for ants. 
B)  produce noxious chemicals that deter herbivores. 
C)  facilitate dispersal by wind. 
D)  facilitate dispersal by water. 
E)  adhere to the fur or feathers of animals. 
A)  provide food for ants. 
B)  produce noxious chemicals that deter herbivores. 
C)  facilitate dispersal by wind. 
D)  facilitate dispersal by water. 
E)  adhere to the fur or feathers of animals.

Question 7

By definition, an indehiscent fruit:

Accepted Answer

A)  is fleshy. 
B)  has a single carpel. 
C)  does not break open at maturity. 
D)  has an inferior ovary. 
E)  has a stony endocarp. 
A)  is fleshy. 
B)  has a single carpel. 
C)  does not break open at maturity. 
D)  has an inferior ovary. 
E)  has a stony endocarp.

Question 8

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 9

In ______, the seeds are shot aloft from the plant.

Accepted Answer

A)  tumbleweed 
B)  willows and poplars 
C)  Linaria 
D)  Impatiens 
E)  the Asteraceae 
A)  tumbleweed 
B)  willows and poplars 
C)  Linaria 
D)  Impatiens 
E)  the Asteraceae

Question 10

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 11

Archaefructus is the first intact fossil of a mature eudicot.

Accepted Answer

A) True 
 B)False

Question 12

Most red and blue plant pigments are anthocyanins.

Accepted Answer

A) True 
 B)False

Question 13

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 14

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

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

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 18

The original angiosperms most likely:

Accepted Answer

A)  had large flowers. 
B)  had complex pollination systems. 
C)  were terrestrial. 
D)  had simple flowers. 
E)  had vessel elements. 
A)  had large flowers. 
B)  had complex pollination systems. 
C)  were terrestrial. 
D)  had simple flowers. 
E)  had vessel elements.

Question 19

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 20

The most recent evidence indicates that:

Accepted Answer

A)  Wielandiella lacks flowerlike strobili. 
B)  The angiosperms have close relatives among the living gymnosperms. 
C)  The gnetophytes are the most recent angiosperm ancestors. 
D)  The Bennettitales are the most recent angiosperm ancestors. 
E)  The Caytoniales are the most recent angiosperm ancestors. 
A)  Wielandiella lacks flowerlike strobili. 
B)  The angiosperms have close relatives among the living gymnosperms. 
C)  The gnetophytes are the most recent angiosperm ancestors. 
D)  The Bennettitales are the most recent angiosperm ancestors. 
E)  The Caytoniales are the most recent angiosperm ancestors.

Exam 20: Evolution of the Angiosperms

In the earliest angiosperms, sepals normally have the same number of vascular strands as the leaves of the same plant.

In contrast to living angiosperms, the stamens of archaic angiosperms:

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

Amborella is a sister group of the Mesangiospermae.

Flowers pollinated by ______ are most likely to produce no nectar, have dull colors, are relatively small, and have the sexes separated on the same plant.

The function of elaiosomes is to:

By definition, an indehiscent fruit:

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

In ______, the seeds are shot aloft from the plant.

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

Archaefructus is the first intact fossil of a mature eudicot.

Most red and blue plant pigments are anthocyanins.

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

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

What is the apparent function of most secondary plant products?

The largest angiosperm family is the:

By definition an accessory fruit develops from:

The original angiosperms most likely:

Which of the following is NOT a characteristic of Archaefructus?

The most recent evidence indicates that:

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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