Question 1

The daughter cells produced by a microsporocyte are:

Accepted Answer

A)  microspore mother cells. 
B)  microspores. 
C)  pollen grains. 
D)  prothallial cells. 
E)  generative cells. 
A)  microspore mother cells. 
B)  microspores. 
C)  pollen grains. 
D)  prothallial cells. 
E)  generative cells.

Question 2

Which of the following statements about gymnosperms is FALSE?

Accepted Answer

A)  Gymnosperm means "naked seed." 
B)  Ovules and seeds are exposed on the surface of sporophylls. 
C)  The female gametophyte produces several archegonia. 
D)  The male gametophyte produces several antheridia. 
E)  The male gametophyte is endosporic. 
A)  Gymnosperm means "naked seed." 
B)  Ovules and seeds are exposed on the surface of sporophylls. 
C)  The female gametophyte produces several archegonia. 
D)  The male gametophyte produces several antheridia. 
E)  The male gametophyte is endosporic.

Question 3

In cycads and Ginkgo, male and female gametophytes are produced on the same plant.

Accepted Answer

A) True 
 B)False

Question 4

A seed develops into an ovule.

Accepted Answer

A) True 
 B)False

Question 5

______ produce nonmotile sperm.

Accepted Answer

A)  Conifers and gnetophytes 
B)  Conifers and cycads 
C)  Cycads and Ginkgo 
D)  Cycads and gnetophytes 
E)  Ginkgo and gnetophytes 
A)  Conifers and gnetophytes 
B)  Conifers and cycads 
C)  Cycads and Ginkgo 
D)  Cycads and gnetophytes 
E)  Ginkgo and gnetophytes

Question 6

Which phylum is characterized by having coralloid roots?

Accepted Answer

A)  Progymnospermophyta 
B)  Gnetophyta 
C)  Ginkgophyta 
D)  Cycadophyta 
E)  Coniferophyta 
A)  Progymnospermophyta 
B)  Gnetophyta 
C)  Ginkgophyta 
D)  Cycadophyta 
E)  Coniferophyta

Question 7

Which of the following questions concerning the progymnosperms is FALSE?

Accepted Answer

A)  They had a bifacial vascular cambium. 
B)  Archaeopteris was a major type. 
C)  Some contain a eustele. 
D)  Most were heterosporous. 
E)  Seed plants are thought to have evolved from plants similar to the progymnosperms. 
A)  They had a bifacial vascular cambium. 
B)  Archaeopteris was a major type. 
C)  Some contain a eustele. 
D)  Most were heterosporous. 
E)  Seed plants are thought to have evolved from plants similar to the progymnosperms.

Question 8

In gymnosperms, pollination occurs usually by:

Accepted Answer

A)  insects. 
B)  water. 
C)  wind. 
D)  birds. 
E)  mammals. 
A)  insects. 
B)  water. 
C)  wind. 
D)  birds. 
E)  mammals.

Question 9

Which of the following statements about conifers is FALSE?

Accepted Answer

A)  They belong to the phylum Coniferophyta. 
B)  Their leaves have humidity-resistant features. 
C)  They are the most ecologically important gymnosperms. 
D)  They include the pines, firs, and spruces. 
E)  The tallest vascular plant is a conifer. 
A)  They belong to the phylum Coniferophyta. 
B)  Their leaves have humidity-resistant features. 
C)  They are the most ecologically important gymnosperms. 
D)  They include the pines, firs, and spruces. 
E)  The tallest vascular plant is a conifer.

Question 10

A micropyle is a(n):

Accepted Answer

A)  nutritive structure of the embryo. 
B)  nutritive structure of the pollen grain. 
C)  opening in the megaspore wall. 
D)  opening in an integument. 
E)  opening in the megasporangium wall. 
A)  nutritive structure of the embryo. 
B)  nutritive structure of the pollen grain. 
C)  opening in the megaspore wall. 
D)  opening in an integument. 
E)  opening in the megasporangium wall.

Question 11

_________ is a conifer regarded as a "living fossil."

Accepted Answer

A)  Tsuga 
B)  Sequoiadendron semperiverens 
C)  Metasequoia 
D)  Taxodium 
E)  Abies 
A)  Tsuga 
B)  Sequoiadendron semperiverens 
C)  Metasequoia 
D)  Taxodium 
E)  Abies

Question 12

A seed is composed of a(n) ______ and ______.

Accepted Answer

A)  ovule; embryo 
B)  ovule; megasporangium 
C)  ovule; integuments 
D)  megasporangium; embryo 
E)  megasporangium; integuments 
A)  ovule; embryo 
B)  ovule; megasporangium 
C)  ovule; integuments 
D)  megasporangium; embryo 
E)  megasporangium; integuments

Question 13

The Bennettitales is an extinct group of gymnosperms.

Accepted Answer

A) True 
 B)False

Question 14

The microgametophytes of Gymnosperms usually produce at least one antheridium.

Accepted Answer

A) True 
 B)False

Question 15

In a conifer seed, the three different generations are represented by the:

Accepted Answer

A)  integument, nucellus, and egg. 
B)  seed coat, embryo, and food supply. 
C)  seed coat, archegonium, and food supply. 
D)  integument, ovule, and embryo. 
E)  integument, megasporangium, and archegonium 
A)  integument, nucellus, and egg. 
B)  seed coat, embryo, and food supply. 
C)  seed coat, archegonium, and food supply. 
D)  integument, ovule, and embryo. 
E)  integument, megasporangium, and archegonium

Question 16

In conifer seeds, the food supply is diploid.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements about pine leaves is FALSE?

Accepted Answer

A)  They have a thick cuticle. 
B)  They have sunken stomata. 
C)  They are spirally arranged and borne singly on the stem. 
D)  They are arranged in indeterminate bundles called fascicles. 
E)  Their vascular bundles are surrounded by transfusion tissue. 
A)  They have a thick cuticle. 
B)  They have sunken stomata. 
C)  They are spirally arranged and borne singly on the stem. 
D)  They are arranged in indeterminate bundles called fascicles. 
E)  Their vascular bundles are surrounded by transfusion tissue.

Question 18

A micropyle is the opening in a microsporangium.

Accepted Answer

A) True 
 B)False

Question 19

Seed plants evolved most directly from:

Accepted Answer

A)  lycophytes. 
B)  ferns. 
C)  progymnosperms. 
D)  angiosperms. 
E)  trimerophytes. 
A)  lycophytes. 
B)  ferns. 
C)  progymnosperms. 
D)  angiosperms. 
E)  trimerophytes.

Question 20

Which of the following statements about pine seeds is FALSE?

Accepted Answer

A)  They are often shed from the cones during the first year following pollination. 
B)  They are often dispersed by the wind. 
C)  Some are dispersed only after the cones are scorched by fire. 
D)  Some are dispersed by birds. 
E)  Some are winged. 
A)  They are often shed from the cones during the first year following pollination. 
B)  They are often dispersed by the wind. 
C)  Some are dispersed only after the cones are scorched by fire. 
D)  Some are dispersed by birds. 
E)  Some are winged.

Exam 18: Gymnosperms

The daughter cells produced by a microsporocyte are:

Which of the following statements about gymnosperms is FALSE?

In cycads and Ginkgo, male and female gametophytes are produced on the same plant.

A seed develops into an ovule.

______ produce nonmotile sperm.

Which phylum is characterized by having coralloid roots?

Which of the following questions concerning the progymnosperms is FALSE?

In gymnosperms, pollination occurs usually by:

Which of the following statements about conifers is FALSE?

A micropyle is a(n):

_________ is a conifer regarded as a "living fossil."

A seed is composed of a(n) ______ and ______.

The Bennettitales is an extinct group of gymnosperms.

The microgametophytes of Gymnosperms usually produce at least one antheridium.

In a conifer seed, the three different generations are represented by the:

In conifer seeds, the food supply is diploid.

Which of the following statements about pine leaves is FALSE?

A micropyle is the opening in a microsporangium.

Seed plants evolved most directly from:

Which of the following statements about pine seeds is FALSE?

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

Introduction to the Angiosperms

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

A seed is composed of a(n) and .