Question 1

In angiosperms, the mature female gametophyte consists of _____ cells.

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  7 
E)  9 
A)  2 
B)  3 
C)  5 
D)  7 
E)  9

Question 2

Microsporocytes divide by ______, forming ______.

Accepted Answer

A)  mitosis; haploid microsporocytes 
B)  mitosis; diploid microsporocytes 
C)  meiosis; haploid microspores 
D)  mitosis; diploid microspores 
E)  meiosis; haploid megaspores 
A)  mitosis; haploid microsporocytes 
B)  mitosis; diploid microsporocytes 
C)  meiosis; haploid microspores 
D)  mitosis; diploid microspores 
E)  meiosis; haploid megaspores

Question 3

Unlike gymnosperms, the stored food in angiosperms is:

Accepted Answer

A)  provided by the male gametophyte. 
B)  provided by the female gametophyte. 
C)  sporophyte. 
D)  formed before fertilization. 
E)  formed after fertilization. 
A)  provided by the male gametophyte. 
B)  provided by the female gametophyte. 
C)  sporophyte. 
D)  formed before fertilization. 
E)  formed after fertilization.

Question 4

Radially symmetrical flowers are said to be irregular.

Accepted Answer

A) True 
 B)False

Question 5

A polymer in the _____ protects the pollen grain against UV radiation, dehydration, and pathogen attack.

Accepted Answer

A)  tapetum 
B)  exine 
C)  microsporangium 
D)  microsporocyte 
E)  intine 
A)  tapetum 
B)  exine 
C)  microsporangium 
D)  microsporocyte 
E)  intine

Question 6

The mature female gametophyte is called a(n):

Accepted Answer

A)  embryo sac. 
B)  nucellus. 
C)  megasporangium. 
D)  endosperm. 
E)  ovule. 
A)  embryo sac. 
B)  nucellus. 
C)  megasporangium. 
D)  endosperm. 
E)  ovule.

Question 7

A perfect flower contains:

Accepted Answer

A)  petals only. 
B)  stamens only. 
C)  carpels only. 
D)  petals and carpels. 
E)  carpels and stamens. 
A)  petals only. 
B)  stamens only. 
C)  carpels only. 
D)  petals and carpels. 
E)  carpels and stamens.

Question 8

________ mark the pathways of sperm cell and sperm nucleus migrations within the ovule.

Accepted Answer

A)  Actin "coronas" 
B)  Transmitting tissues 
C)  Callose deposits 
D)  Hydrated layers of proteins, amino acids, and lipids 
E)  Germ units 
A)  Actin "coronas" 
B)  Transmitting tissues 
C)  Callose deposits 
D)  Hydrated layers of proteins, amino acids, and lipids 
E)  Germ units

Question 9

Sporopollenin is the primary constituent of the:

Accepted Answer

A)  integument. 
B)  nucellar wall. 
C)  exine. 
D)  intine. 
E)  tapetum. 
A)  integument. 
B)  nucellar wall. 
C)  exine. 
D)  intine. 
E)  tapetum.

Question 10

Angiosperms have archegonia but lack antheridia.

Accepted Answer

A) True 
 B)False

Question 11

The great majority of living angiosperms have mature embryo sacs consisting of seven cells and eight nuclei.

Accepted Answer

A) True 
 B)False

Question 12

The style connects the _____ to the ______.

Accepted Answer

A)  anther; filament 
B)  calyx; corolla 
C)  androecium; gynoecium 
D)  ovules; ovary 
E)  ovary; stigma 
A)  anther; filament 
B)  calyx; corolla 
C)  androecium; gynoecium 
D)  ovules; ovary 
E)  ovary; stigma

Question 13

Wet stigmas have a cuticle that contains a hydrated layer of proteins, carbohydates, and lipids.

Accepted Answer

A) True 
 B)False

Question 14

In angiosperms, embryogeny begins with a free nuclear stage.

Accepted Answer

A) True 
 B)False

Question 15

______ are found at the chalazal end of the embryo sac.

Accepted Answer

A)  Polar nuclei 
B)  Synergids 
C)  Eggs 
D)  Ovules 
E)  Antipodals 
A)  Polar nuclei 
B)  Synergids 
C)  Eggs 
D)  Ovules 
E)  Antipodals

Question 16

The central cell contains the egg apparatus.

Accepted Answer

A) True 
 B)False

Question 17

All bilaterally symmetrical flowers are:

Accepted Answer

A)  hypogynous. 
B)  regular. 
C)  irregular. 
D)  superior. 
E)  inferior. 
A)  hypogynous. 
B)  regular. 
C)  irregular. 
D)  superior. 
E)  inferior.

Question 18

By definition, a flower with a aposepalous calyx has:

Accepted Answer

A)  no sepals. 
B)  many sepals. 
C)  sepals joined together. 
D)  sepals not joined together. 
E)  sepals joined with a flower part in a different whorl. 
A)  no sepals. 
B)  many sepals. 
C)  sepals joined together. 
D)  sepals not joined together. 
E)  sepals joined with a flower part in a different whorl.

Question 19

Endosperm may be an evolutionary derivative of a second embryo.

Accepted Answer

A) True 
 B)False

Question 20

In embryo sac development, the egg apparatus contains the egg cell and the:

Accepted Answer

A)  polar nuclei. 
B)  synergids. 
C)  chalaza. 
D)  central cell. 
E)  antipodals. 
A)  polar nuclei. 
B)  synergids. 
C)  chalaza. 
D)  central cell. 
E)  antipodals.

Exam 19: Introduction to the Angiosperms

In angiosperms, the mature female gametophyte consists of _____ cells.

Microsporocytes divide by ______, forming ______.

Unlike gymnosperms, the stored food in angiosperms is:

Radially symmetrical flowers are said to be irregular.

A polymer in the _____ protects the pollen grain against UV radiation, dehydration, and pathogen attack.

The mature female gametophyte is called a(n):

A perfect flower contains:

________ mark the pathways of sperm cell and sperm nucleus migrations within the ovule.

Sporopollenin is the primary constituent of the:

Angiosperms have archegonia but lack antheridia.

The great majority of living angiosperms have mature embryo sacs consisting of seven cells and eight nuclei.

The style connects the _____ to the ______.

Wet stigmas have a cuticle that contains a hydrated layer of proteins, carbohydates, and lipids.

In angiosperms, embryogeny begins with a free nuclear stage.

______ are found at the chalazal end of the embryo sac.

The central cell contains the egg apparatus.

All bilaterally symmetrical flowers are:

By definition, a flower with a aposepalous calyx has:

Endosperm may be an evolutionary derivative of a second embryo.

In embryo sac development, the egg apparatus contains the egg cell and the:

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

Evolution of 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

Filters

Microsporocytes divide by , forming .

The style connects the _ to the __.