Question 1

Perfect and imperfect flowers differ from each other in that perfect flowers have all four types of flower parts but imperfect flowers are missing either

Accepted Answer

A)  stamens or petals. 
B)  sepals or carpels. 
C)  stamens or carpels. 
D)  petals or sepals. 
E)  None of the above 
A)  stamens or petals. 
B)  sepals or carpels. 
C)  stamens or carpels. 
D)  petals or sepals. 
E)  None of the above

Question 2

After fertilization of the egg,the integument of the megasporangium develops into the

Accepted Answer

A)  cotyledons. 
B)  embryo. 
C)  endosperm. 
D)  fruit. 
E)  seed coat. 
A)  cotyledons. 
B)  embryo. 
C)  endosperm. 
D)  fruit. 
E)  seed coat.

Question 3

A vegetative meristem must _______ in order to begin switching to floral development.

Accepted Answer

A)  experience determinate growth 
B)  be influenced by meristem identity genes 
C)  experience indeterminate growth 
D)  be influenced by other meristems 
E)  None of the above 
A)  experience determinate growth 
B)  be influenced by meristem identity genes 
C)  experience indeterminate growth 
D)  be influenced by other meristems 
E)  None of the above

Question 4

A newly discovered plant is thought to be wind-pollinated due to its exposure to regular,strong wind in spring and the lack of insect pollinators in its habitat.The presence of which of the following would confirm this assumption?

Accepted Answer

A)  Extra flower parts 
B)  Smooth stigmas 
C)  Large quantities of pollen 
D)  Bloom during cold weather 
E)  Pollination before the opening of the flower bud 
A)  Extra flower parts 
B)  Smooth stigmas 
C)  Large quantities of pollen 
D)  Bloom during cold weather 
E)  Pollination before the opening of the flower bud

Question 5

An angiosperm megagametophyte with 110 cells would be a highly unusual specimen,because the flowering plant typically has a megagametophyte consisting of

Accepted Answer

A)  one pollen grain. 
B)  a pollen tube. 
C)  an embryo sac with eight haploid nuclei. 
D)  microspores. 
E)  a megasporangium and the cells within it. 
A)  one pollen grain. 
B)  a pollen tube. 
C)  an embryo sac with eight haploid nuclei. 
D)  microspores. 
E)  a megasporangium and the cells within it.

Exam 27: Reproduction of Flowering Plants

Perfect and imperfect flowers differ from each other in that perfect flowers have all four types of flower parts but imperfect flowers are missing either

After fertilization of the egg,the integument of the megasporangium develops into the

A vegetative meristem must _______ in order to begin switching to floral development.

A newly discovered plant is thought to be wind-pollinated due to its exposure to regular,strong wind in spring and the lack of insect pollinators in its habitat.The presence of which of the following would confirm this assumption?

An angiosperm megagametophyte with 110 cells would be a highly unusual specimen,because the flowering plant typically has a megagametophyte consisting of

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters