Question 1

In plants, the main role of chemicals such as cocaine and nicotine seems to be attracting pollinators.

Accepted Answer

A) True 
 B)False

Question 2

______ are flavonoids that vary in color with the pH of the cell sap.

Accepted Answer

A) Betacyanins 
B) Anthocyanins 
C) Betalains 
D) Carotenoids 
E) Chlorophylls 
A) Betacyanins 
B) Anthocyanins 
C) Betalains 
D) Carotenoids 
E) Chlorophylls

Question 3

Most red and blue plant pigments are anthocyanins.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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 6

Flowers with a long corolla tube are most likely pollinated by:

Accepted Answer

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

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

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.

Question 9

By definition, a parthenocarpic fruit lacks:

Accepted Answer

A) petals. 
B) carpels. 
C) receptacles. 
D) seeds. 
E) stamens. 
A) petals. 
B) carpels. 
C) receptacles. 
D) seeds. 
E) stamens.

Exam 20: Evolution of the Angiosperms

In plants, the main role of chemicals such as cocaine and nicotine seems to be attracting pollinators.

______ are flavonoids that vary in color with the pH of the cell sap.

Most red and blue plant pigments are anthocyanins.

The function of elaiosomes is to:

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

Flowers with a long corolla tube are most likely pollinated by:

By definition, an indehiscent fruit:

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

By definition, a parthenocarpic fruit lacks:

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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