Question 1

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

Accepted Answer

A) microspore mother cell 
B) megaspore mother cell 
C) microspore 
D) megaspore 
E) generative nucleus 
A) microspore mother cell 
B) megaspore mother cell 
C) microspore 
D) megaspore 
E) generative nucleus

Question 2

_______ are modified leaves that are often green and surround the flower bud.

Accepted Answer

A) Filaments 
B) Ovules 
C) Petals 
D) Stigma 
E) Sepals 
A) Filaments 
B) Ovules 
C) Petals 
D) Stigma 
E) Sepals

Question 3

In angiosperms, but not conifers, pollen grains can form pollen tubes. True or False?

Accepted Answer

A) True 
 B)False

Question 4

In an alternation of generations life cycle, what alternates?

Accepted Answer

A) male plants and female plants 
B) reproductive plants and vegetative plants 
C) eggs and sperm 
D) sporophytes and gametophytes 
E) flowers and spores 
A) male plants and female plants 
B) reproductive plants and vegetative plants 
C) eggs and sperm 
D) sporophytes and gametophytes 
E) flowers and spores

Question 5

In flowering plants, the sperm does not have to swim to the egg. The sperm reaches the eggs by:

Accepted Answer

A) wind pollination. 
B) a pollen tube. 
C) burrowing through the embryo sac wall. 
D) cell division within the spore case. 
E) digestion of the seed coat. 
A) wind pollination. 
B) a pollen tube. 
C) burrowing through the embryo sac wall. 
D) cell division within the spore case. 
E) digestion of the seed coat.

Question 6

Megaspore mother cells are diploid. True or False?

Accepted Answer

A) True 
 B)False

Question 7

How many sperm nuclei are necessary for the successful fertilization of flowering plants?

Accepted Answer

The answer of How many sperm nuclei are necessary for...

Question 8

Which of the following has a gametophyte that is an independent plant that dominates the life cycle and does not have a sporophyte that is an independent plant?

Accepted Answer

A) pine 
B) moss 
C) fern 
D) rose 
A) pine 
B) moss 
C) fern 
D) rose

Question 9

In temperate deciduous forests, most of the small flowers that grow on the forest floor must complete their life cycle quickly before tree leaves shade out most of the light. Many of these plants reproduce asexually by runners. What advantages does this have for such plants?

Accepted Answer

The environment that the offspring occup

Question 10

Pollen is produced by cell divisions within the:

Accepted Answer

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

Question 11

Plants that grow in a(n)________ area most likely do not require drying or exposure to cold to break dormancy.

Accepted Answer

A) northern temperate 
B) arctic 
C) wet tropical 
D) desert 
A) northern temperate 
B) arctic 
C) wet tropical 
D) desert

Question 12

While walking along a riverbank after a swim, you step on a sharp fruit. When you pick it up, you notice that it rattles, which indicates there is an air pocket around the seeds. How is this fruit most likely dispersed?

Accepted Answer

A) explosively propelled 
B) wind 
C) water 
D) clinging to animals 
E) being eaten by animals 
A) explosively propelled 
B) wind 
C) water 
D) clinging to animals 
E) being eaten by animals

Question 13

A pollen grain is actually the:

Accepted Answer

A) male gametophyte. 
B) female gametophyte. 
C) combination of male and female gametophytes. 
D) megaspore mother cell. 
E) primitive egg cell, which will develop into the embryo. 
A) male gametophyte. 
B) female gametophyte. 
C) combination of male and female gametophytes. 
D) megaspore mother cell. 
E) primitive egg cell, which will develop into the embryo.

Question 14

Based on the green, leaflike sepals in the flower shown in this figure and on the other visible characteristics, this flower is a:

Accepted Answer

A) complete monocot flower. 
B) complete dicot flower. 
C) incomplete monocot flower. 
D) incomplete dicot flower. 
A) complete monocot flower. 
B) complete dicot flower. 
C) incomplete monocot flower. 
D) incomplete dicot flower.

Question 15

The process in flowering plant reproduction in which the first sperm unites with an egg to form a zygote and the second sperm unites with two haploid polar bodies to form diploid endosperm is called double fertilization. True or False?

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

The sperm must swim

Question 17

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

Accepted Answer

A) the female moth collects yucca pollen. 
B) some of the developing yucca seeds feed the yucca caterpillars. 
C) 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. 
D) the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
E) the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs. 
A) the female moth collects yucca pollen. 
B) some of the developing yucca seeds feed the yucca caterpillars. 
C) 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. 
D) the moth lays its eggs directly inside the yucca ovary, where its eggs hatch into caterpillars. 
E) the yucca moth spreads pollen on the stigma of the yucca flower in which it lays its eggs.

Question 18

A diploid fertilized egg is called a(n)________.

Accepted Answer

The answer of A diploid fertilized egg is called a(n)________....

Question 19

Ferns and mosses need water for sexual reproduction because:

Accepted Answer

A) they have swimming sperm. 
B) pollen is transported to nearby plants by raindrops. 
C) water is required for sperm production. 
D) water is required for spore dispersal. 
A) they have swimming sperm. 
B) pollen is transported to nearby plants by raindrops. 
C) water is required for sperm production. 
D) water is required for spore dispersal.

Question 20

In the alternation of generations, what is formed when a spore germinates?

Accepted Answer

A) a plant that produces spores when mature 
B) an increased number of spores 
C) a plant that meiotically produces sex cells 
D) a haploid stage called the gametophyte 
E) a haploid stage called the sporophyte 
A) a plant that produces spores when mature 
B) an increased number of spores 
C) a plant that meiotically produces sex cells 
D) a haploid stage called the gametophyte 
E) a haploid stage called the sporophyte

Exam 44: Plant Reproduction and Development

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

_______ are modified leaves that are often green and surround the flower bud.

In angiosperms, but not conifers, pollen grains can form pollen tubes. True or False?

In an alternation of generations life cycle, what alternates?

In flowering plants, the sperm does not have to swim to the egg. The sperm reaches the eggs by:

Megaspore mother cells are diploid. True or False?

How many sperm nuclei are necessary for the successful fertilization of flowering plants?

Which of the following has a gametophyte that is an independent plant that dominates the life cycle and does not have a sporophyte that is an independent plant?

In temperate deciduous forests, most of the small flowers that grow on the forest floor must complete their life cycle quickly before tree leaves shade out most of the light. Many of these plants reproduce asexually by runners. What advantages does this have for such plants?

Pollen is produced by cell divisions within the:

Plants that grow in a(n)________ area most likely do not require drying or exposure to cold to break dormancy.

While walking along a riverbank after a swim, you step on a sharp fruit. When you pick it up, you notice that it rattles, which indicates there is an air pocket around the seeds. How is this fruit most likely dispersed?

A pollen grain is actually the:

Based on the green, leaflike sepals in the flower shown in this figure and on the other visible characteristics, this flower is a:

The process in flowering plant reproduction in which the first sperm unites with an egg to form a zygote and the second sperm unites with two haploid polar bodies to form diploid endosperm is called double fertilization. True or False?

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

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

A diploid fertilized egg is called a(n)________.

Ferns and mosses need water for sexual reproduction because:

In the alternation of generations, what is formed when a spore germinates?

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

The Continuity of Life: Cellular 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 Amidst 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

How Do Ecosystems Work

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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