Question 1

In the center of the embryo sac are the:

Accepted Answer

A) ovules. 
B) synergids. 
C) eggs. 
D) polar nuclei. 
E) antipodals. 
A) ovules. 
B) synergids. 
C) eggs. 
D) polar nuclei. 
E) antipodals.

Question 2

Which of the following statements concerning pollen grain apertures is FALSE?

Accepted Answer

A) They are located in the intine. 
B) They are preferential sites for pollen tube initiation. 
C) They are sites of uptake of various substances. 
D) They can expand and contract. 
E) They help protect the pollen grain from drying out. 
A) They are located in the intine. 
B) They are preferential sites for pollen tube initiation. 
C) They are sites of uptake of various substances. 
D) They can expand and contract. 
E) They help protect the pollen grain from drying out.

Question 3

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 4

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 5

Which of the following statements concerning transmitting tissue is FALSE?

Accepted Answer

A) It is found within the style. 
B) It guides the pollen tube toward the ovary. 
C) The pollen tube grows out of the transmitting tissue at the funiculus. 
D) It is classified as being either wet or dry. 
E) The pollen tube grows between its cells. 
A) It is found within the style. 
B) It guides the pollen tube toward the ovary. 
C) The pollen tube grows out of the transmitting tissue at the funiculus. 
D) It is classified as being either wet or dry. 
E) The pollen tube grows between its cells.

Question 6

Endosperm may be an evolutionary derivative of a second embryo.

Accepted Answer

A) True 
 B)False

Question 7

The function of the tapetum is to provide food for developing microspores.

Accepted Answer

A) True 
 B)False

Question 8

In the most common pattern of embryo sac development in angiosperms, how many nuclei end up at the chalazal end?

Accepted Answer

A) 1 
B) 3 
C) 5 
D) 7 
E) 9 
A) 1 
B) 3 
C) 5 
D) 7 
E) 9

Question 9

When the microspore of an angiosperm divides, it gives rise directly to:

Accepted Answer

A) two generative cells. 
B) two tube cells. 
C) two sperm cells. 
D) a generative cell and a tube cell. 
E) a sperm cell, a generative cell, and a tube cell. 
A) two generative cells. 
B) two tube cells. 
C) two sperm cells. 
D) a generative cell and a tube cell. 
E) a sperm cell, a generative cell, and a tube cell.

Question 10

In a flower with a superior ovary, the perianth and stamens are epigynous.

Accepted Answer

A) True 
 B)False

Question 11

In axile placentation, the ovules are borne:

Accepted Answer

A) on the ovary wall. 
B) on a central column of tissue in a partitioned ovary. 
C) on a central column of tissue in an unpartitioned ovary. 
D) at the base of a unilocular ovary. 
E) at the top of a unilocular ovary. 
A) on the ovary wall. 
B) on a central column of tissue in a partitioned ovary. 
C) on a central column of tissue in an unpartitioned ovary. 
D) at the base of a unilocular ovary. 
E) at the top of a unilocular ovary.

Question 12

Radially symmetrical flowers are said to be irregular.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements about myco-heterotrophic plants is FALSE?

Accepted Answer

A) They lack chlorophyll. 
B) They have obligate relationships with mycorrhizal fungi. 
C) They are nonphotosynthetic. 
D) They form haustoria with their host plant. 
E) They are indirectly associated with an autotroph. 
A) They lack chlorophyll. 
B) They have obligate relationships with mycorrhizal fungi. 
C) They are nonphotosynthetic. 
D) They form haustoria with their host plant. 
E) They are indirectly associated with an autotroph.

Question 14

The first flowering plants had a Polygonum type of embryo sac.

Accepted Answer

A) True 
 B)False

Question 15

The innermost layer of the pollen sac wall is the:

Accepted Answer

A) sporogenous layer. 
B) sporopollenin layer. 
C) exine. 
D) intine. 
E) tapetum. 
A) sporogenous layer. 
B) sporopollenin layer. 
C) exine. 
D) intine. 
E) tapetum.

Question 16

________ 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 17

A flower that has only stamens and petals is:

Accepted Answer

A) staminate and perfect. 
B) perfect and complete. 
C) perfect and incomplete. 
D) imperfect and complete. 
E) imperfect and incomplete. 
A) staminate and perfect. 
B) perfect and complete. 
C) perfect and incomplete. 
D) imperfect and complete. 
E) imperfect and incomplete.

Question 18

The fertile parts of a flower are the:

Accepted Answer

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

Question 19

The most common type of megasporogenesis and megagametogenesis is the Polygonum type.

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 the center of the embryo sac are the:

Which of the following statements concerning pollen grain apertures is FALSE?

A perfect flower contains:

Sporopollenin is the primary constituent of the:

Which of the following statements concerning transmitting tissue is FALSE?

Endosperm may be an evolutionary derivative of a second embryo.

The function of the tapetum is to provide food for developing microspores.

In the most common pattern of embryo sac development in angiosperms, how many nuclei end up at the chalazal end?

When the microspore of an angiosperm divides, it gives rise directly to:

In a flower with a superior ovary, the perianth and stamens are epigynous.

In axile placentation, the ovules are borne:

Radially symmetrical flowers are said to be irregular.

Which of the following statements about myco-heterotrophic plants is FALSE?

The first flowering plants had a Polygonum type of embryo sac.

The innermost layer of the pollen sac wall is the:

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

A flower that has only stamens and petals is:

The fertile parts of a flower are the:

The most common type of megasporogenesis and megagametogenesis is the Polygonum type.

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

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