Question 1

Explain the roles of the hormones GnRH, FSH, and LH in the male and female reproductive systems.

Accepted Answer

In both males and females, gonadotropin-

Question 2

Which statement is a part of the definition of infertility?

Accepted Answer

A)  Infertility only occurs in females. 
B)  Infertility is always caused by low sperm counts in males. 
C)  Infertility is diagnosed when a couple is unable to become pregnant after 12 months. 
D)  Female infertility is only caused by hormonal imbalances. 
E)  Female infertility is caused by environmental factors, such as rigorous physical exercise, that do not affect males. 
A)  Infertility only occurs in females. 
B)  Infertility is always caused by low sperm counts in males. 
C)  Infertility is diagnosed when a couple is unable to become pregnant after 12 months. 
D)  Female infertility is only caused by hormonal imbalances. 
E)  Female infertility is caused by environmental factors, such as rigorous physical exercise, that do not affect males.

Question 3

Research suggests that contamination of water by agricultural chemicals appears to____.

Accepted Answer

A)  increase sperm count 
B)  decrease sperm count 
C)  increase sperm motility 
D)  eliminate sperm production completely 
E)  have no effect on sperm 
A)  increase sperm count 
B)  decrease sperm count 
C)  increase sperm motility 
D)  eliminate sperm production completely 
E)  have no effect on sperm

Question 4

The ovarian cycle includes the ____ phases.

Accepted Answer

A)  luteal and secretory 
B)  menstrual and proliferative 
C)  follicular and luteal 
D)  follicular and proliferative 
E)  proliferative and secretory 
A)  luteal and secretory 
B)  menstrual and proliferative 
C)  follicular and luteal 
D)  follicular and proliferative 
E)  proliferative and secretory

Question 5

How does the human male body respond to a decrease in testosterone in the bloodstream?

Accepted Answer

A)  The hypothalamus releases testosterone. 
B)  The hypothalamus releases GnRH. 
C)  The Sertoli cells release testosterone. 
D)  The Leydig cells release FSH. 
E)  The Leydig cells release inhibin. 
A)  The hypothalamus releases testosterone. 
B)  The hypothalamus releases GnRH. 
C)  The Sertoli cells release testosterone. 
D)  The Leydig cells release FSH. 
E)  The Leydig cells release inhibin.

Question 6

Which male structure is shared by both the urinary and reproductive systems?

Accepted Answer

A)  urinary bladder 
B)  prostate gland 
C)  ureter 
D)  vas deferens 
E)  urethra 
A)  urinary bladder 
B)  prostate gland 
C)  ureter 
D)  vas deferens 
E)  urethra

Question 7

Which group lists the male accessory glands?

Accepted Answer

A)  prostate gland, bulbourethral gland, seminal vesicles 
B)  vestibular gland, seminal vesicles, prostate gland 
C)  bulbourethral gland, prepuce, prostate gland 
D)  seminal vesicles, prepuce, prostate gland 
E)  prostate gland, bulbourethral gland, hypothalamus 
A)  prostate gland, bulbourethral gland, seminal vesicles 
B)  vestibular gland, seminal vesicles, prostate gland 
C)  bulbourethral gland, prepuce, prostate gland 
D)  seminal vesicles, prepuce, prostate gland 
E)  prostate gland, bulbourethral gland, hypothalamus

Question 8

Which statement best describes the gametes of most animals?

Accepted Answer

A)  A sperm is large and motile; an egg is small and nonmotile. 
B)  A sperm is small and nonmotile; an egg is large and motile. 
C)  A sperm is large and nonmotile; an egg is small and motile. 
D)  A sperm is small and motile; an egg is large and nonmotile. 
E)  The sperm and egg are about the same size, but only the sperm is motile. 
A)  A sperm is large and motile; an egg is small and nonmotile. 
B)  A sperm is small and nonmotile; an egg is large and motile. 
C)  A sperm is large and nonmotile; an egg is small and motile. 
D)  A sperm is small and motile; an egg is large and nonmotile. 
E)  The sperm and egg are about the same size, but only the sperm is motile.

Question 9

The product of meiosis II during spermatogenesis is the ____.

Accepted Answer

A)  sperm 
B)  spermatid 
C)  primary spermatocyte 
D)  secondary spermatocyte 
E)  spermatogonium 
A)  sperm 
B)  spermatid 
C)  primary spermatocyte 
D)  secondary spermatocyte 
E)  spermatogonium

Question 10

A human female could ovulate about ____ times in her lifetime.

Accepted Answer

A)  40 
B)  400 
C)  4,000 
D)  40,000 
E)  400,000 
A)  40 
B)  400 
C)  4,000 
D)  40,000 
E)  400,000

Question 11

In bees, haploid male drones are produced by ____ while new queens and sterile workers are produced by ____.

Accepted Answer

A)  parthenogenesis; fertilization 
B)  budding; fertilization 
C)  fragmentation; parthenogenesis 
D)  fertilization; parthenogenesis 
E)  fission; budding 
A)  parthenogenesis; fertilization 
B)  budding; fertilization 
C)  fragmentation; parthenogenesis 
D)  fertilization; parthenogenesis 
E)  fission; budding

Question 12

External fertilization is most common in animals living in ____.

Accepted Answer

A)  mountains 
B)  prairies 
C)  forests 
D)  oceans 
E)  deserts 
A)  mountains 
B)  prairies 
C)  forests 
D)  oceans 
E)  deserts

Question 13

One function of the developing follicle is to ____.

Accepted Answer

A)  stimulate ovulation 
B)  secrete progesterone 
C)  secrete estrogens 
D)  secrete gonadotropin-releasing hormone (GnRH) 
E)  secrete glycoproteins, which promote sperm motility 
A)  stimulate ovulation 
B)  secrete progesterone 
C)  secrete estrogens 
D)  secrete gonadotropin-releasing hormone (GnRH) 
E)  secrete glycoproteins, which promote sperm motility

Question 14

Parthenogenesis ____.

Accepted Answer

A)  is a form of sexual reproduction 
B)  involves the growth and development of a sperm cell without fertilization 
C)  involves the growth and development of an egg without fertilization 
D)  occurs through budding 
E)  always produces haploid offspring 
A)  is a form of sexual reproduction 
B)  involves the growth and development of a sperm cell without fertilization 
C)  involves the growth and development of an egg without fertilization 
D)  occurs through budding 
E)  always produces haploid offspring

Question 15

Ovulation typically occurs on day ____ of a 28-day ovarian cycle.

Accepted Answer

A)  1 
B)  7 
C)  10 
D)  14 
E)  28 
A)  1 
B)  7 
C)  10 
D)  14 
E)  28

Question 16

Sperm are stored in the ____ after they are produced.

Accepted Answer

A)  epididymis 
B)  seminiferous tubules 
C)  penis 
D)  prostate gland 
E)  vas deferens 
A)  epididymis 
B)  seminiferous tubules 
C)  penis 
D)  prostate gland 
E)  vas deferens

Exam 49: Animal Reproduction

Explain the roles of the hormones GnRH, FSH, and LH in the male and female reproductive systems.

Which statement is a part of the definition of infertility?

Research suggests that contamination of water by agricultural chemicals appears to____.

The ovarian cycle includes the ____ phases.

How does the human male body respond to a decrease in testosterone in the bloodstream?

Which male structure is shared by both the urinary and reproductive systems?

Which group lists the male accessory glands?

Which statement best describes the gametes of most animals?

The product of meiosis II during spermatogenesis is the ____.

A human female could ovulate about ____ times in her lifetime.

In bees, haploid male drones are produced by ____ while new queens and sterile workers are produced by ____.

External fertilization is most common in animals living in ____.

One function of the developing follicle is to ____.

Parthenogenesis ____.

Ovulation typically occurs on day ____ of a 28-day ovarian cycle.

Sperm are stored in the ____ after they are produced.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

In bees, haploid male drones are produced by while new queens and sterile workers are produced by .