Question 1

Which of the following is the primary function of pollen grain coats?

Accepted Answer

A) differentiates upon contact with the flower 
B) protects from harsh chemicals and dehydration 
C) prevents competing pollen grains from being able to fertilize a flower 
D) provides an aerodynamic structure to allow them to travel on wind currents 
E) none of these 
A) differentiates upon contact with the flower 
B) protects from harsh chemicals and dehydration 
C) prevents competing pollen grains from being able to fertilize a flower 
D) provides an aerodynamic structure to allow them to travel on wind currents 
E) none of these

Question 2

Flowers that are particularly attractive to bees have petals that

Accepted Answer

A) are yellow. 
B) are blue. 
C) are purple. 
D) reflect ultraviolet light. 
E) fit all of these descriptions. 
A) are yellow. 
B) are blue. 
C) are purple. 
D) reflect ultraviolet light. 
E) fit all of these descriptions.

Question 3

The female gametophyte is the

Accepted Answer

A) flower. 
B) ovule. 
C) embryo sac. 
D) carpel. 
E) ovary. 
A) flower. 
B) ovule. 
C) embryo sac. 
D) carpel. 
E) ovary.

Question 4

"Double fertilization" produces nutrient tissue by the union of

Accepted Answer

A) two egg nuclei and one sperm nucleus. 
B) two sperm nuclei and one egg nucleus. 
C) two sperm nuclei and two egg nuclei. 
D) one sperm nucleus and endosperm mother cell nuclei. 
E) two sperm nuclei and one endosperm mother cell nucleus. 
A) two egg nuclei and one sperm nucleus. 
B) two sperm nuclei and one egg nucleus. 
C) two sperm nuclei and two egg nuclei. 
D) one sperm nucleus and endosperm mother cell nuclei. 
E) two sperm nuclei and one endosperm mother cell nucleus.

Question 5

Which of the following is an incorrect match?

Accepted Answer

A) pea pods; dehiscent 
B) strawberry; berry 
C) cherry; drupe 
D) corn; indehiscent 
E) tomato; berry 
A) pea pods; dehiscent 
B) strawberry; berry 
C) cherry; drupe 
D) corn; indehiscent 
E) tomato; berry

Question 6

The pollen tube grows to or through

Accepted Answer

A) the stigma. 
B) the style. 
C) the ovary. 
D) the micropyle. 
E) all of these. 
A) the stigma. 
B) the style. 
C) the ovary. 
D) the micropyle. 
E) all of these.

Question 7

Pollen requires all of the following to germinate EXCEPT

Accepted Answer

A) contact with epidermal cells of the stigma 
B) binding to the stigma by species specific adhesion proteins 
C) nutrients to diffuse into the dry pollen 
D) metabolism to begin in the two cells in the pollen grain 
E) all of these are required 
A) contact with epidermal cells of the stigma 
B) binding to the stigma by species specific adhesion proteins 
C) nutrients to diffuse into the dry pollen 
D) metabolism to begin in the two cells in the pollen grain 
E) all of these are required

Exam 30: Plant Reproduction

Which of the following is the primary function of pollen grain coats?

Flowers that are particularly attractive to bees have petals that

The female gametophyte is the

"Double fertilization" produces nutrient tissue by the union of

Which of the following is an incorrect match?

The pollen tube grows to or through

Pollen requires all of the following to germinate EXCEPT

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters