Question 1

Which of the following plant/animal interactions is not a mutually beneficial (mutualistic)relationship?

Accepted Answer

A)  honeybees gathering pollen from apple blossoms 
B)  butterflies gathering nectar from lily blossoms 
C)  beetles feeding on magnolia blossoms 
D)  ants protecting and feeding from nectaries of Acacia 
E)  wasps such as Campsoscolia ciliata transferring pollen in orchid flowers 
A)  honeybees gathering pollen from apple blossoms 
B)  butterflies gathering nectar from lily blossoms 
C)  beetles feeding on magnolia blossoms 
D)  ants protecting and feeding from nectaries of Acacia 
E)  wasps such as Campsoscolia ciliata transferring pollen in orchid flowers

Question 2

A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?

Accepted Answer

A)  It has no sepals. 
B)  It has fused carpels. 
C)  It is on a dioecious plant. 
D)  It has no endosperm. 
E)  It has both stamens and carpels. 
A)  It has no sepals. 
B)  It has fused carpels. 
C)  It is on a dioecious plant. 
D)  It has no endosperm. 
E)  It has both stamens and carpels.

Question 3

Which of the following is true about vegetative reproduction?

Accepted Answer

A)  It involves both meiosis and mitosis to produce haploid and diploid cells. 
B)  It produces vegetables and not fruits. 
C)  It involves meiosis only. 
D)  It can lead to genetically altered forms of the species. 
E)  It produces clones of the parent plant. 
A)  It involves both meiosis and mitosis to produce haploid and diploid cells. 
B)  It produces vegetables and not fruits. 
C)  It involves meiosis only. 
D)  It can lead to genetically altered forms of the species. 
E)  It produces clones of the parent plant.

Question 4

Where and by which process are sperm cells formed in plants?

Accepted Answer

A)  meiosis in pollen grains 
B)  meiosis in anthers 
C)  mitosis in male gametophyte pollen tube 
D)  mitosis in the micropyle 
E)  mitosis in the embryo sac 
A)  meiosis in pollen grains 
B)  meiosis in anthers 
C)  mitosis in male gametophyte pollen tube 
D)  mitosis in the micropyle 
E)  mitosis in the embryo sac

Question 5

In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Accepted Answer

A)  pea 
B)  raspberry 
C)  apple 
D)  pineapple 
E)  peach 
A)  pea 
B)  raspberry 
C)  apple 
D)  pineapple 
E)  peach

Question 6

Which of the following best describes the ploidy level of a fertilized embryo sac?

Accepted Answer

A)  All cells are diploid. 
B)  All cells are triploid. 
C)  All cells are polyploid. 
D)  The ploidy level varies among species. 
E)  There are haploid, diploid, and triploid cells. 
A)  All cells are diploid. 
B)  All cells are triploid. 
C)  All cells are polyploid. 
D)  The ploidy level varies among species. 
E)  There are haploid, diploid, and triploid cells.

Question 7

Based on studies of plant evolution and anatomy, which flower part is least likely to have evolved from a leaf?

Accepted Answer

A)  stamen 
B)  carpel 
C)  petals 
D)  sepals 
E)  receptacle 
A)  stamen 
B)  carpel 
C)  petals 
D)  sepals 
E)  receptacle

Question 8

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility. To characterize this reproductive mechanism, you would look for

Accepted Answer

A)  ribonuclease (RNAase) activity in stigma cells. 
B)  RNA in the plants. 
C)  pollen grains with very thick walls. 
D)  carpels that cannot produce eggs by meiosis. 
E)  systems of wind, but not insect, pollination. 
A)  ribonuclease (RNAase) activity in stigma cells. 
B)  RNA in the plants. 
C)  pollen grains with very thick walls. 
D)  carpels that cannot produce eggs by meiosis. 
E)  systems of wind, but not insect, pollination.

Question 9

Where does meiosis occur in flowering plants?

Accepted Answer

A)  megasporocyte 
B)  microsporocyte 
C)  endosperm 
D)  pollen tube 
E)  megasporocyte and microsporocyte 
A)  megasporocyte 
B)  microsporocyte 
C)  endosperm 
D)  pollen tube 
E)  megasporocyte and microsporocyte

Question 10

Microsporangia in flowering plants are located in the

Accepted Answer

A)  stamen. 
B)  carpel. 
C)  petals. 
D)  sepals. 
E)  receptacle. 
A)  stamen. 
B)  carpel. 
C)  petals. 
D)  sepals. 
E)  receptacle.

Question 11

Which of the following is true in plants?

Accepted Answer

A)  Mitosis occurs in gametophytes to produce gametes. 
B)  Meiosis occurs in sporophytes to produce spores. 
C)  The gametophyte is within the flower in angiosperms. 
D)  Mitosis occurs in gametophytes to produce gametes, and meiosis occurs in sporophytes to produce spores. 
E)  Mitosis occurs in gametophytes to produce gametes, meiosis occurs in sporophytes to produce spores, and the gametophyte is within the flower in angiosperms. 
A)  Mitosis occurs in gametophytes to produce gametes. 
B)  Meiosis occurs in sporophytes to produce spores. 
C)  The gametophyte is within the flower in angiosperms. 
D)  Mitosis occurs in gametophytes to produce gametes, and meiosis occurs in sporophytes to produce spores. 
E)  Mitosis occurs in gametophytes to produce gametes, meiosis occurs in sporophytes to produce spores, and the gametophyte is within the flower in angiosperms.

Question 12

A seed develops from

Accepted Answer

A)  an ovum. 
B)  a pollen grain. 
C)  an ovule. 
D)  an ovary. 
E)  an embryo. 
A)  an ovum. 
B)  a pollen grain. 
C)  an ovule. 
D)  an ovary. 
E)  an embryo.

Question 13

Fruits develop from

Accepted Answer

A)  microsporangia. 
B)  receptacles. 
C)  fertilized eggs. 
D)  ovaries. 
E)  ovules. 
A)  microsporangia. 
B)  receptacles. 
C)  fertilized eggs. 
D)  ovaries. 
E)  ovules.

Question 14

Which of the following statements is true of protoplast fusion?

Accepted Answer

A)  It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B)  It can be used to form new plant varieties by combining genomes from two plants. 
C)  It is used to develop gene banks to preserve genetic variability. 
D)  It is the method of test-tube cloning that produces whole plants from callus. 
E)  It occurs within a callus that is developing in tissue culture. 
A)  It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B)  It can be used to form new plant varieties by combining genomes from two plants. 
C)  It is used to develop gene banks to preserve genetic variability. 
D)  It is the method of test-tube cloning that produces whole plants from callus. 
E)  It occurs within a callus that is developing in tissue culture.

Question 15

Which of the following metabolic processes is most likely to still be occurring at low levels in a fully mature, viable, dry seed?

Accepted Answer

A)  photosynthesis 
B)  respiration 
C)  fatty acid synthesis 
D)  protein synthesis 
E)  DNA replication 
A)  photosynthesis 
B)  respiration 
C)  fatty acid synthesis 
D)  protein synthesis 
E)  DNA replication

Question 16

What is typically the result of double fertilization in angiosperms?

Accepted Answer

A)  The endosperm develops into a diploid nutrient tissue. 
B)  A triploid zygote is formed. 
C)  Both a diploid embryo and triploid endosperm are formed. 
D)  Two embryos develop in every seed. 
E)  The antipodal cells develop into the seed coat. 
A)  The endosperm develops into a diploid nutrient tissue. 
B)  A triploid zygote is formed. 
C)  Both a diploid embryo and triploid endosperm are formed. 
D)  Two embryos develop in every seed. 
E)  The antipodal cells develop into the seed coat.

Question 17

When comparing the mature seeds of a pine tree to an apple tree, which of the following is a correct statement?

Accepted Answer

A)  The developmental sequences postfertilization are identical. 
B)  Both contain triploid tissue. 
C)  The nutritive tissues are both haploid. 
D)  Only the apple seed has a diploid seed coat. 
E)  Both contain haploid and diploid tissues. 
A)  The developmental sequences postfertilization are identical. 
B)  Both contain triploid tissue. 
C)  The nutritive tissues are both haploid. 
D)  Only the apple seed has a diploid seed coat. 
E)  Both contain haploid and diploid tissues.

Question 18

Genetic incompatibility does not affect the

Accepted Answer

A)  attraction of a suitable insect pollinator. 
B)  germination of the pollen on the stigma. 
C)  growth of the pollen tube in the style. 
D)  membrane permeability of cells. 
E)  different individuals of the same species. 
A)  attraction of a suitable insect pollinator. 
B)  germination of the pollen on the stigma. 
C)  growth of the pollen tube in the style. 
D)  membrane permeability of cells. 
E)  different individuals of the same species.

Question 19

What is the difference between pollination and fertilization in flowering plants?

Accepted Answer

A)  Fertilization precedes pollination. 
B)  Pollination easily occurs between plants of different species, whereas fertilization is within a species. 
C)  Pollen is formed within megasporangia so that male and female gametes are near each other. 
D)  Pollination is the transfer of pollen from an anther to a stigma. Fertilization is the fusion of haploid nuclei. 
E)  If fertilization occurs, pollination is unnecessary. 
A)  Fertilization precedes pollination. 
B)  Pollination easily occurs between plants of different species, whereas fertilization is within a species. 
C)  Pollen is formed within megasporangia so that male and female gametes are near each other. 
D)  Pollination is the transfer of pollen from an anther to a stigma. Fertilization is the fusion of haploid nuclei. 
E)  If fertilization occurs, pollination is unnecessary.

Question 20

Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?

Accepted Answer

A)  meiosis → fertilization → ovulation → germination 
B)  fertilization → meiosis → nuclear fusion → formation of embryo and endosperm 
C)  meiosis → pollination → nuclear fusion → formation of embryo and endosperm 
D)  growth of pollen tube → pollination → germination → fertilization 
E)  meiosis → mitosis → nuclear fusion → pollen 
A)  meiosis → fertilization → ovulation → germination 
B)  fertilization → meiosis → nuclear fusion → formation of embryo and endosperm 
C)  meiosis → pollination → nuclear fusion → formation of embryo and endosperm 
D)  growth of pollen tube → pollination → germination → fertilization 
E)  meiosis → mitosis → nuclear fusion → pollen

Exam 38: Angiosperm Reproduction and Biotechnology

Which of the following plant/animal interactions is not a mutually beneficial (mutualistic)relationship?

A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?

Which of the following is true about vegetative reproduction?

Where and by which process are sperm cells formed in plants?

In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Which of the following best describes the ploidy level of a fertilized embryo sac?

Based on studies of plant evolution and anatomy, which flower part is least likely to have evolved from a leaf?

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility. To characterize this reproductive mechanism, you would look for

Where does meiosis occur in flowering plants?

Microsporangia in flowering plants are located in the

Which of the following is true in plants?

A seed develops from

Fruits develop from

Which of the following statements is true of protoplast fusion?

Which of the following metabolic processes is most likely to still be occurring at low levels in a fully mature, viable, dry seed?

What is typically the result of double fertilization in angiosperms?

When comparing the mature seeds of a pine tree to an apple tree, which of the following is a correct statement?

Genetic incompatibility does not affect the

What is the difference between pollination and fertilization in flowering plants?

Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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