Question 1

The seminal vesicles ("sperm vessels") are misnamed.Sperm are actually stored in the

Accepted Answer

A) vas deferens. 
B) epididymis. 
C) prostate. 
D) scrotum. 
E) urethra. 
A) vas deferens. 
B) epididymis. 
C) prostate. 
D) scrotum. 
E) urethra. B

Question 2

Based on their response to a particular hormone from the anterior pituitary, Sertoli cells of the male are most like __________ of the female.

Accepted Answer

A) uterine cells 
B) oviducts 
C) ovarian follicles 
D) cervix cells 
E) the corpus luteum 
A) uterine cells 
B) oviducts 
C) ovarian follicles 
D) cervix cells 
E) the corpus luteum C

Question 3

Which of the following is the last structure that a sperm travels through as it leaves the body?

Accepted Answer

A) ureter 
B) urethra 
C) vas deferens 
D) ejaculatory duct 
E) epididymis 
A) ureter 
B) urethra 
C) vas deferens 
D) ejaculatory duct 
E) epididymis B

Question 4

Which cells are produced during meiosis I?

Accepted Answer

A) spermatogonia 
B) primary spermatocytes 
C) secondary spermatocytes 
D) spermatids 
E) sperm 
A) spermatogonia 
B) primary spermatocytes 
C) secondary spermatocytes 
D) spermatids 
E) sperm

Question 5

Which of the following is NOT true of asexual reproduction?

Accepted Answer

A) It is more suitable for reproduction in animals in stable environments. 
B) It results in offspring that are identical to each other. 
C) It promotes genetic variation in successive generations. 
D) Fission is a type of asexual reproduction. 
E) The offspring are essentially genetically identical to the parents. 
A) It is more suitable for reproduction in animals in stable environments. 
B) It results in offspring that are identical to each other. 
C) It promotes genetic variation in successive generations. 
D) Fission is a type of asexual reproduction. 
E) The offspring are essentially genetically identical to the parents.

Question 6

Which of the following statements is false?

Accepted Answer

A) Because males do not have follicles, the follicle-stimulating hormone has no function in males. 
B) LH binds to Leydig cells, stimulating them to secrete testosterone. 
C) The testes descend into the scrotal sac before birth. 
D) For sperm to develop properly they must be in an environment that is below body temperature. 
E) The scrotal sac is equipped with muscles that may raise or lower the testes. 
A) Because males do not have follicles, the follicle-stimulating hormone has no function in males. 
B) LH binds to Leydig cells, stimulating them to secrete testosterone. 
C) The testes descend into the scrotal sac before birth. 
D) For sperm to develop properly they must be in an environment that is below body temperature. 
E) The scrotal sac is equipped with muscles that may raise or lower the testes.

Question 7

Secretion of GnRH is inhibited by all EXCEPT

Accepted Answer

A) secretions from Sertoli cells. 
B) elevated testosterone levels. 
C) secretion of inhibin. 
D) normal sperm production. 
E) secretions from Leydig cells. 
A) secretions from Sertoli cells. 
B) elevated testosterone levels. 
C) secretion of inhibin. 
D) normal sperm production. 
E) secretions from Leydig cells.

Question 8

The organism shown above is using which of the following types of reproduction?

Accepted Answer

A) asexual budding 
B) sexual production of eggs 
C) hermaphroditic co-fertilization 
D) a combination of all three 
E) none of these 
A) asexual budding 
B) sexual production of eggs 
C) hermaphroditic co-fertilization 
D) a combination of all three 
E) none of these

Question 9

The female reproductive system includes all EXCEPT which of the following?

Accepted Answer

A) clitoris 
B) vagina 
C) oviduct 
D) ovary 
E) mammary gland 
A) clitoris 
B) vagina 
C) oviduct 
D) ovary 
E) mammary gland

Question 10

Testosterone

Accepted Answer

A) stimulates spermatogenesis. 
B) promotes the normal development and maintenance of sexual behavior. 
C) is responsible for the development of male secondary sexual characteristics. 
D) is responsible for the development of the male genitalia. 
E) does all of these. 
A) stimulates spermatogenesis. 
B) promotes the normal development and maintenance of sexual behavior. 
C) is responsible for the development of male secondary sexual characteristics. 
D) is responsible for the development of the male genitalia. 
E) does all of these.

Question 11

Santhi Soundarajan won a silver metal in the 2006 Pan Asian Games.Why did she later have her metals recalled?

Accepted Answer

A) She was a cross-dresser who pretended to be female. 
B) She was a female who had a Y chromosome without knowing about the genetic condition. 
C) She used performance enhancing drugs that altered her genetic structure. 
D) She was genetically altered at birth to create a faster runner. 
E) Her government gave her a sex change in order to hide the fact that she was really a male. 
A) She was a cross-dresser who pretended to be female. 
B) She was a female who had a Y chromosome without knowing about the genetic condition. 
C) She used performance enhancing drugs that altered her genetic structure. 
D) She was genetically altered at birth to create a faster runner. 
E) Her government gave her a sex change in order to hide the fact that she was really a male.

Question 12

Secretions of the Leydig cells eventually pass into the

Accepted Answer

A) semen. 
B) vagina. 
C) blood. 
D) semen and vagina. 
E) semen, vagina, and blood. 
A) semen. 
B) vagina. 
C) blood. 
D) semen and vagina. 
E) semen, vagina, and blood.

Question 13

Which of the following is the site where mature sperm are stored?

Accepted Answer

A) ureter 
B) urethra 
C) vas deferens 
D) bulbourethral gland 
E) epididymis 
A) ureter 
B) urethra 
C) vas deferens 
D) bulbourethral gland 
E) epididymis

Question 14

The release of testosterone requires

Accepted Answer

A) GnRH. 
B) luteinizing hormone. 
C) Sertoli cells. 
D) GnRH and luteinizing hormone. 
E) GnRH, luteinizing hormone, and Sertoli cells. 
A) GnRH. 
B) luteinizing hormone. 
C) Sertoli cells. 
D) GnRH and luteinizing hormone. 
E) GnRH, luteinizing hormone, and Sertoli cells.

Question 15

If the vas deferens tubes are cut and tied (vasectomy), the semen eventually will not contain

Accepted Answer

A) fructose. 
B) buffers. 
C) prostaglandins. 
D) sperm. 
E) any of these. 
A) fructose. 
B) buffers. 
C) prostaglandins. 
D) sperm. 
E) any of these.

Question 16

Sea urchin reproduction involves all of the following EXCEPT

Accepted Answer

A) producing enormous numbers of eggs. 
B) allocating large amounts of energy and resources to making each egg. 
C) producing very small eggs. 
D) producing eggs with minimal energy reserves. 
E) rapid development of self-feeding larva from fertilized eggs. 
A) producing enormous numbers of eggs. 
B) allocating large amounts of energy and resources to making each egg. 
C) producing very small eggs. 
D) producing eggs with minimal energy reserves. 
E) rapid development of self-feeding larva from fertilized eggs.

Question 17

Meiosis I results directly in the production of

Accepted Answer

A) spermatids. 
B) spermatogonia. 
C) primary spermatocytes. 
D) secondary spermatocytes. 
E) sperm. 
A) spermatids. 
B) spermatogonia. 
C) primary spermatocytes. 
D) secondary spermatocytes. 
E) sperm.

Question 18

The major difference between the human male and female reproductive systems is the

Accepted Answer

A) provision of a site for fertilization and embryo development in the female. 
B) production of haploid gametes only by the male. 
C) diploid polar bodies of the female. 
D) generation of millions of eggs but only thousands of sperm each month. 
E) presence of a duct system opening to the body's exterior only in females. 
A) provision of a site for fertilization and embryo development in the female. 
B) production of haploid gametes only by the male. 
C) diploid polar bodies of the female. 
D) generation of millions of eggs but only thousands of sperm each month. 
E) presence of a duct system opening to the body's exterior only in females.

Question 19

Which of the following cells are diploid?

Accepted Answer

A) spermatids 
B) primary spermatocytes 
C) secondary spermatocytes 
D) spermatogonia 
E) both primary spermatocytes and spermatogonia 
A) spermatids 
B) primary spermatocytes 
C) secondary spermatocytes 
D) spermatogonia 
E) both primary spermatocytes and spermatogonia

Question 20

All of the following animals give birth to live young after extensive internal development in the female EXCEPT

Accepted Answer

A) humans. 
B) mice. 
C) kangaroos. 
D) monkeys. 
E) lions. 
A) humans. 
B) mice. 
C) kangaroos. 
D) monkeys. 
E) lions.

Exam 42: Animal Reproductive Systems

The seminal vesicles ("sperm vessels") are misnamed.Sperm are actually stored in the

Based on their response to a particular hormone from the anterior pituitary, Sertoli cells of the male are most like __________ of the female.

Which of the following is the last structure that a sperm travels through as it leaves the body?

Which cells are produced during meiosis I?

Which of the following is NOT true of asexual reproduction?

Which of the following statements is false?

Secretion of GnRH is inhibited by all EXCEPT

The organism shown above is using which of the following types of reproduction?

The female reproductive system includes all EXCEPT which of the following?

Testosterone

Santhi Soundarajan won a silver metal in the 2006 Pan Asian Games.Why did she later have her metals recalled?

Secretions of the Leydig cells eventually pass into the

Which of the following is the site where mature sperm are stored?

The release of testosterone requires

If the vas deferens tubes are cut and tied (vasectomy), the semen eventually will not contain

Sea urchin reproduction involves all of the following EXCEPT

Meiosis I results directly in the production of

The major difference between the human male and female reproductive systems is the

Which of the following cells are diploid?

All of the following animals give birth to live young after extensive internal development in the female 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 Reproduction

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 Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters