Question 1

An unfertilized egg from a female Komodo dragon may develop directly into a young Komodo dragon. This is an example of

Accepted Answer

A)  parturition. 
B)  assisted reproduction. 
C)  parthenogenesis. 
D)  abiogenesis. 
E)  copulation. 
A)  parturition. 
B)  assisted reproduction. 
C)  parthenogenesis. 
D)  abiogenesis. 
E)  copulation. C

Question 2

The failure of a couple to achieve pregnancy after a year of regular, unprotected intercourse is termed

Accepted Answer

A)  parthenogenesis. 
B)  menopause. 
C)  contraception. 
D)  infertility. 
E)  abortion. 
A)  parthenogenesis. 
B)  menopause. 
C)  contraception. 
D)  infertility. 
E)  abortion. D

Question 3

Which one adaptation was most important in enabling animals to reproduce on land?

Accepted Answer

A)  penis 
B)  shelled egg with extraembryonic membranes 
C)  placenta 
D)  gametes 
E)  copulation 
A)  penis 
B)  shelled egg with extraembryonic membranes 
C)  placenta 
D)  gametes 
E)  copulation B

Question 4

What is the extraembryonic membrane that serves as the first site of blood cell formation for the embryo?

Accepted Answer

A)  chorion 
B)  allantois 
C)  amnion 
D)  yolk sac 
E)  zona pellucida 
A)  chorion 
B)  allantois 
C)  amnion 
D)  yolk sac 
E)  zona pellucida

Question 5

The second half of the ovarian cycle is termed the _____ phase.

Accepted Answer

A)  ovulatory 
B)  follicular 
C)  luteal 
D)  menstrual 
E)  menopausal 
A)  ovulatory 
B)  follicular 
C)  luteal 
D)  menstrual 
E)  menopausal

Question 6

The bladder originates from

Accepted Answer

A)  ectoderm only. 
B)  mesoderm only. 
C)  endoderm only. 
D)  both mesoderm and endoderm, but not ectoderm. 
E)  ectoderm, mesoderm, and endoderm. 
A)  ectoderm only. 
B)  mesoderm only. 
C)  endoderm only. 
D)  both mesoderm and endoderm, but not ectoderm. 
E)  ectoderm, mesoderm, and endoderm.

Question 7

Which of these is mismatched?

Accepted Answer

A)  ovulation - luteinizing hormone LH) peaks 
B)  menstruation - follicle-stimulating hormone FSH) peaks 
C)  secretory phase - progesterone peaks 
D)  menstruation - progesterone declines 
E)  proliferative phase - estrogen levels rise 
A)  ovulation - luteinizing hormone LH) peaks 
B)  menstruation - follicle-stimulating hormone FSH) peaks 
C)  secretory phase - progesterone peaks 
D)  menstruation - progesterone declines 
E)  proliferative phase - estrogen levels rise

Question 8

Which STD is caused by a protozoan?

Accepted Answer

A)  chlamydia 
B)  genital herpes 
C)  trichomoniasis 
D)  gonorrhea 
E)  hepatitis 
A)  chlamydia 
B)  genital herpes 
C)  trichomoniasis 
D)  gonorrhea 
E)  hepatitis

Question 9

Sperm mature in the

Accepted Answer

A)  prostate gland. 
B)  testis. 
C)  penis. 
D)  vas deferens. 
E)  epididymis. 
A)  prostate gland. 
B)  testis. 
C)  penis. 
D)  vas deferens. 
E)  epididymis.

Question 10

Which of the following structures does not belong to the reproductive system?

Accepted Answer

A)  oviduct 
B)  ovary 
C)  cervix 
D)  bladder 
E)  vagina 
A)  oviduct 
B)  ovary 
C)  cervix 
D)  bladder 
E)  vagina

Question 11

Which of the listed embryonic stages is the earliest?

Accepted Answer

A)  gastrula 
B)  blastocyst 
C)  neurula 
D)  morula 
E)  8-cell stage 
A)  gastrula 
B)  blastocyst 
C)  neurula 
D)  morula 
E)  8-cell stage

Question 12

Which of the following mammalian structures is derived from one of the extraembryonic membranes?

Accepted Answer

A)  placenta 
B)  uterus 
C)  ovary 
D)  cervix 
E)  labia 
A)  placenta 
B)  uterus 
C)  ovary 
D)  cervix 
E)  labia

Question 13

Which statement is correct about the placenta?

Accepted Answer

A)  The placenta allows for free exchange of blood from the fetus to the mother but not the other direction. 
B)  The placenta allows for free exchange of blood from the mother to the fetus but not the other direction. 
C)  The placenta allows for a limited exchange of gases from the fetus to the mother but a free exchange from the mother to the fetus. 
D)  The placenta does not allow the exchange of blood between the fetus and mother but allows the exchange of gases. 
E)  The placenta does not allow the exchange of blood or gases between the fetus and mother. 
A)  The placenta allows for free exchange of blood from the fetus to the mother but not the other direction. 
B)  The placenta allows for free exchange of blood from the mother to the fetus but not the other direction. 
C)  The placenta allows for a limited exchange of gases from the fetus to the mother but a free exchange from the mother to the fetus. 
D)  The placenta does not allow the exchange of blood between the fetus and mother but allows the exchange of gases. 
E)  The placenta does not allow the exchange of blood or gases between the fetus and mother.

Question 14

Which lifestyle is most likely to lead to infertility in a male?

Accepted Answer

A)  a man who is a semiprofessional athlete 
B)  a man who works as a computer programmer and sits at a desk the majority of the day 
C)  a man who works as a mechanic 
D)  a man who works for a company that applies pesticides to lawns 
E)  a man who works as a teacher 
A)  a man who is a semiprofessional athlete 
B)  a man who works as a computer programmer and sits at a desk the majority of the day 
C)  a man who works as a mechanic 
D)  a man who works for a company that applies pesticides to lawns 
E)  a man who works as a teacher

Question 15

Which of the following is 100% effective against both pregnancy and STDs?

Accepted Answer

A)  vasectomy 
B)  female condom 
C)  diaphragm 
D)  tubal ligation 
E)  abstinence 
A)  vasectomy 
B)  female condom 
C)  diaphragm 
D)  tubal ligation 
E)  abstinence

Question 16

In the figure shown here, which of the following is the bulbourethral gland?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 17

How does follicle-stimulating hormone FSH) affect the male reproductive system?

Accepted Answer

A)  promotes testosterone production 
B)  causes erection 
C)  promotes spermatogenesis 
D)  stimulates ovulation 
E)  triggers ejaculation 
A)  promotes testosterone production 
B)  causes erection 
C)  promotes spermatogenesis 
D)  stimulates ovulation 
E)  triggers ejaculation

Question 18

A birth control pill works by

Accepted Answer

A)  inhibiting FSH and LH production. 
B)  making the woman's reproductive tract toxic to sperm. 
C)  stimulating FSH and LH production. 
D)  destroying the endometrium. 
E)  immunizing the woman against human chorionic gonadotropin hCG). 
A)  inhibiting FSH and LH production. 
B)  making the woman's reproductive tract toxic to sperm. 
C)  stimulating FSH and LH production. 
D)  destroying the endometrium. 
E)  immunizing the woman against human chorionic gonadotropin hCG).

Question 19

In which stage do the three germ layers form?

Accepted Answer

A)  gastrula 
B)  blastocyst 
C)  neurula 
D)  morula 
E)  8-cell stage 
A)  gastrula 
B)  blastocyst 
C)  neurula 
D)  morula 
E)  8-cell stage

Question 20

Which of these does not contribute significantly to the contents of the semen?

Accepted Answer

A)  testis 
B)  seminal vesicle 
C)  urethra 
D)  prostate gland 
E)  bulbourethral gland 
A)  testis 
B)  seminal vesicle 
C)  urethra 
D)  prostate gland 
E)  bulbourethral gland

Exam 29: Reproduction and Embryonic Development

An unfertilized egg from a female Komodo dragon may develop directly into a young Komodo dragon. This is an example of

The failure of a couple to achieve pregnancy after a year of regular, unprotected intercourse is termed

Which one adaptation was most important in enabling animals to reproduce on land?

What is the extraembryonic membrane that serves as the first site of blood cell formation for the embryo?

The second half of the ovarian cycle is termed the _____ phase.

The bladder originates from

Which of these is mismatched?

Which STD is caused by a protozoan?

Sperm mature in the

Which of the following structures does not belong to the reproductive system?

Which of the listed embryonic stages is the earliest?

Which of the following mammalian structures is derived from one of the extraembryonic membranes?

Which statement is correct about the placenta?

Which lifestyle is most likely to lead to infertility in a male?

Which of the following is 100% effective against both pregnancy and STDs?

In the figure shown here, which of the following is the bulbourethral gland?

How does follicle-stimulating hormone FSH) affect the male reproductive system?

A birth control pill works by

In which stage do the three germ layers form?

Which of these does not contribute significantly to the contents of the semen?

A View of Life

The Chemical Basis of Life

The Organic Molecules of Life

Inside the Cell

The Dynamic Cell

Energy for Life

Energy for Cells

Cellular Reproduction

Meiosis and the Genetic Basis of Sexual Reproduction

Patterns of Inheritance

DNA Biology and Technology

Biotechnology and Genomics

Genetic Counseling

Darwin and Evolution

Evolution on a Small Scale

Evolution on a Large Scale

The Microorganisms: Viruses, Bacteria, and Protists

The Plants and Fungi

The Animals

Plant Anatomy and Growth

Plant Responses and Reproduction

Being Organized and Steady

The Transport Systems

The Maintenance Systems

Digestion and Human Nutrition

Defenses Against Disease

The Control Systems

Sensory Input and Motor Output

Ecology of Populations

Communities and Ecosystems

Human Impact on the Biosphere

Filters