Question 1

All of the following are true of the relationship between the yucca and the yucca moth EXCEPT

Accepted Answer

A)  the yucca plant is dependent on the yucca moth to reproduce, but the yucca moth can lay its eggs in any of several kinds of flowers. 
B)  some of the developing yucca seeds feed the yucca caterpillars. 
C)  the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs. 
D)  the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
E)  the female moth collects yucca pollen. 
A)  the yucca plant is dependent on the yucca moth to reproduce, but the yucca moth can lay its eggs in any of several kinds of flowers. 
B)  some of the developing yucca seeds feed the yucca caterpillars. 
C)  the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs. 
D)  the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
E)  the female moth collects yucca pollen.

Question 2

In primitive land plants, such as mosses and ferns, how does the sperm get to the egg?)

Accepted Answer

The sperm must swim

Question 3

Which of the following undergoes meiosis during the development of pollen grains?

Accepted Answer

A)  Microspore 
B)  Megaspore 
C)  Megaspore mother cell 
D)  Microspore mother cell 
E)  Generative nucleus 
A)  Microspore 
B)  Megaspore 
C)  Megaspore mother cell 
D)  Microspore mother cell 
E)  Generative nucleus

Question 4

The male gametophyte of flowering plants is produced by cell divisions within the

Accepted Answer

A)  anther. 
B)  stigma. 
C)  carpel. 
D)  sepal. 
E)  filament. 
A)  anther. 
B)  stigma. 
C)  carpel. 
D)  sepal. 
E)  filament.

Question 5

What two key adaptations in plants were necessary for insect pollination to be successful?)

Accepted Answer

sufficient amounts of pollen o

Question 6

When a seed germinates, what usually emerges from the seed coat first? Why?

Accepted Answer

The root emerges fir

Question 7

Cotyledons and endosperm both provide nutrition. What is the difference between them?

Accepted Answer

A)  Endosperm provides nutrition for the developing embryo; cotyledons provide nutrition for the young seedling. 
B)  Endosperm is always photosynthetic; cotyledons are usually not. 
C)  Endosperm is found only in monocots; cotyledons are found only in dicots. 
D)  Cotyledons are found only in flowering plants; endosperm is found only in young ferns. 
E)  Cotyledons provide nutrition for the developing embryo; endosperm provides nutrition for the young seedling. 
A)  Endosperm provides nutrition for the developing embryo; cotyledons provide nutrition for the young seedling. 
B)  Endosperm is always photosynthetic; cotyledons are usually not. 
C)  Endosperm is found only in monocots; cotyledons are found only in dicots. 
D)  Cotyledons are found only in flowering plants; endosperm is found only in young ferns. 
E)  Cotyledons provide nutrition for the developing embryo; endosperm provides nutrition for the young seedling.

Question 8

The female reproductive structure, the carpel, consists of

Accepted Answer

A)  stamen, sepals, and filament. 
B)  sepals, petals, and ovary. 
C)  filament, anther, and pollen. 
D)  stigma, filament, and sepals. 
E)  stigma, style, and ovary. 
A)  stamen, sepals, and filament. 
B)  sepals, petals, and ovary. 
C)  filament, anther, and pollen. 
D)  stigma, filament, and sepals. 
E)  stigma, style, and ovary.

Question 9

Plants that live in temperate latitudes often make seeds that exhibit dormancy. What is the advantage of having dormant seeds for plants in these areas?

Accepted Answer

Without dormancy, warm autumn

Question 10

Based on the figure, the__________ must have contained two nuclei before fertilization.

Accepted Answer

A)  integument cell 
B)  central cell 
C)  zygote 
D)  embryo 
A)  integument cell 
B)  central cell 
C)  zygote 
D)  embryo

Exam 45: Plant Reproduction and Development

All of the following are true of the relationship between the yucca and the yucca moth EXCEPT

In primitive land plants, such as mosses and ferns, how does the sperm get to the egg?)

Which of the following undergoes meiosis during the development of pollen grains?

The male gametophyte of flowering plants is produced by cell divisions within the

What two key adaptations in plants were necessary for insect pollination to be successful?)

When a seed germinates, what usually emerges from the seed coat first? Why?

Cotyledons and endosperm both provide nutrition. What is the difference between them?

The female reproductive structure, the carpel, consists of

Plants that live in temperate latitudes often make seeds that exhibit dormancy. What is the advantage of having dormant seeds for plants in these areas?

Based on the figure, the__________ must have contained two nuclei before fertilization.

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Responses to the Environment

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