Question 1

A human skin cell is ________, while a human sperm cell is ________.

Accepted Answer

A)  diploid; haploid 
B)  haploid; diploid 
C)  diploid; diploid 
D)  1n; 2n 
A)  diploid; haploid 
B)  haploid; diploid 
C)  diploid; diploid 
D)  1n; 2n

Question 2

What type of evidence shows that endocrine disruptors in the water supply can cause human reproductive problems?

Accepted Answer

A)  correlative 
B)  definitive 
C)  statistically significant 
D)  entirely absent 
A)  correlative 
B)  definitive 
C)  statistically significant 
D)  entirely absent

Question 3

You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. What type of reproduction do you hypothesize that this organism uses?

Accepted Answer

A)  budding 
B)  binary fission 
C)  copulation 
D)  external fertilization 
A)  budding 
B)  binary fission 
C)  copulation 
D)  external fertilization

Question 4

Some women suffer from severe cramps during their menstrual cycles, requiring medical attention. This is a condition called dysmenorrhea. Based on your knowledge of the female reproductive tract, which structure most likely causes this condition?

Accepted Answer

A)  vagina 
B)  cervix 
C)  uterus 
D)  labia majora 
A)  vagina 
B)  cervix 
C)  uterus 
D)  labia majora

Question 5

A surge in which hormone is responsible for ovulation?

Accepted Answer

A)  estrogen 
B)  FSH 
C)  LH 
D)  progesterone 
A)  estrogen 
B)  FSH 
C)  LH 
D)  progesterone

Question 6

What are the three structures that add secretions to the sperm to make up semen?

Accepted Answer

A)  seminal vesicles, Leydig cells, and prostate gland 
B)  prostate gland, seminal vesicles, and seminiferous tubules 
C)  bulbourethral glands, Leydig cells, and seminal vesicles 
D)  seminal vesicles, prostate gland, and bulbourethral gland 
A)  seminal vesicles, Leydig cells, and prostate gland 
B)  prostate gland, seminal vesicles, and seminiferous tubules 
C)  bulbourethral glands, Leydig cells, and seminal vesicles 
D)  seminal vesicles, prostate gland, and bulbourethral gland

Question 7

Which condition decreases the probability that fertilization will take place?

Accepted Answer

A)  Cervical mucus is less viscous and thinner following ovulation. 
B)  The oviducts contract during ovulation. 
C)  Enzymes are present within the acrosome of sperm. 
D)  The upper vagina is an acidic environment. 
A)  Cervical mucus is less viscous and thinner following ovulation. 
B)  The oviducts contract during ovulation. 
C)  Enzymes are present within the acrosome of sperm. 
D)  The upper vagina is an acidic environment.

Question 8

Why are the testicles kept outside of the body?

Accepted Answer

A)  They lower the temperature for sperm production. 
B)  The testicles cushion the penis and stop it from hanging too low. 
C)  There's no reason for this. 
D)  Earlier in human evolution, visible testicles helped males to sexually attract females. 
A)  They lower the temperature for sperm production. 
B)  The testicles cushion the penis and stop it from hanging too low. 
C)  There's no reason for this. 
D)  Earlier in human evolution, visible testicles helped males to sexually attract females.

Question 9

When does spermatogenesis first occur in males?

Accepted Answer

A)  in the womb 
B)  at birth 
C)  during childhood 
D)  at puberty 
A)  in the womb 
B)  at birth 
C)  during childhood 
D)  at puberty

Question 10

What is the final product after a primary oocyte goes through meiosis?

Accepted Answer

A)  four secondary oocytes 
B)  three secondary oocytes and one polar body 
C)  two secondary oocytes and polar bodies 
D)  one secondary oocyte and polar bodies 
A)  four secondary oocytes 
B)  three secondary oocytes and one polar body 
C)  two secondary oocytes and polar bodies 
D)  one secondary oocyte and polar bodies

Question 11

What body system allows the survival of different species?

Accepted Answer

The answer of What body system allows the survival of...

Question 12

Why is a woman more likely to experience bladder infections than a man?

Accepted Answer

A)  The urethra and vagina are separate openings into the body. 
B)  The urethra is shorter in a woman than in a man. 
C)  The urethra is longer in a woman than in a man. 
D)  The acidity of the urine makes women more susceptible to infections. 
A)  The urethra and vagina are separate openings into the body. 
B)  The urethra is shorter in a woman than in a man. 
C)  The urethra is longer in a woman than in a man. 
D)  The acidity of the urine makes women more susceptible to infections.

Question 13

What structures inside the human penis are responsible for an erection?

Accepted Answer

A)  columns of erectile tissue that fill with blood 
B)  a series of small bones that push out of the pelvic cavity and into the penis during arousal 
C)  small balloon-like glands that fill with air 
D)  one large bone that pushes out of the pelvic cavity and into the penis during arousal 
A)  columns of erectile tissue that fill with blood 
B)  a series of small bones that push out of the pelvic cavity and into the penis during arousal 
C)  small balloon-like glands that fill with air 
D)  one large bone that pushes out of the pelvic cavity and into the penis during arousal

Question 14

If a diploid cell with 18 chromosomes undergoes meiosis, how many chromosomes will each of the resulting gametes have?

Accepted Answer

A)  18 
B)  16 
C)  9 
D)  36 
A)  18 
B)  16 
C)  9 
D)  36

Question 15

What hormone(s) are produced and released by the corpus luteum following ovulation?

Accepted Answer

A)  FSH and LH 
B)  estrogen 
C)  progesterone 
D)  both estrogen and progesterone 
A)  FSH and LH 
B)  estrogen 
C)  progesterone 
D)  both estrogen and progesterone

Question 16

A zygote is

Accepted Answer

A)  haploid. 
B)  diploid. 
C)  2n. 
D)  4n. 
A)  haploid. 
B)  diploid. 
C)  2n. 
D)  4n.

Question 17

During labor, what type of feedback mechanism involves the release of oxytocin, which stimulates the uterus to contract, and these contractions stimulate the release of more oxytocin resulting in ever stronger contractions?

Accepted Answer

The answer of During labor, what type of feedback mechanism...

Question 18

Ovulation

Accepted Answer

A)  is the process in males that produces sperm. 
B)  occurs on the first day of the menstrual cycle. 
C)  results in the release of a mature egg. 
D)  occurs in the oviducts. 
A)  is the process in males that produces sperm. 
B)  occurs on the first day of the menstrual cycle. 
C)  results in the release of a mature egg. 
D)  occurs in the oviducts.

Question 19

You perform an experiment whereby you place a compound into a pond, and after some time, you find increased numbers of "masculinized" females from all species of fish. What can you predict about this compound?

Accepted Answer

A)  It must have a similar structure to that of estrogen. 
B)  It may activate the enzyme aromatase. 
C)  It binds to and activates estrogen receptors. 
D)  It may be structurally similar to testosterone. 
A)  It must have a similar structure to that of estrogen. 
B)  It may activate the enzyme aromatase. 
C)  It binds to and activates estrogen receptors. 
D)  It may be structurally similar to testosterone.

Question 20

What is formed by the three layers of tissue that include the endoderm, mesoderm, and ectoderm?

Accepted Answer

A)  zygote 
B)  blastocyst 
C)  gastrula 
D)  fetus 
A)  zygote 
B)  blastocyst 
C)  gastrula 
D)  fetus

Exam 22: Is There Something in the Water Reproductive and Developmental Biology

A human skin cell is ________, while a human sperm cell is ________.

What type of evidence shows that endocrine disruptors in the water supply can cause human reproductive problems?

You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. What type of reproduction do you hypothesize that this organism uses?

Some women suffer from severe cramps during their menstrual cycles, requiring medical attention. This is a condition called dysmenorrhea. Based on your knowledge of the female reproductive tract, which structure most likely causes this condition?

A surge in which hormone is responsible for ovulation?

What are the three structures that add secretions to the sperm to make up semen?

Which condition decreases the probability that fertilization will take place?

Why are the testicles kept outside of the body?

When does spermatogenesis first occur in males?

What is the final product after a primary oocyte goes through meiosis?

What body system allows the survival of different species?

Why is a woman more likely to experience bladder infections than a man?

What structures inside the human penis are responsible for an erection?

If a diploid cell with 18 chromosomes undergoes meiosis, how many chromosomes will each of the resulting gametes have?

What hormone(s) are produced and released by the corpus luteum following ovulation?

A zygote is

During labor, what type of feedback mechanism involves the release of oxytocin, which stimulates the uterus to contract, and these contractions stimulate the release of more oxytocin resulting in ever stronger contractions?

Ovulation

You perform an experiment whereby you place a compound into a pond, and after some time, you find increased numbers of "masculinized" females from all species of fish. What can you predict about this compound?

What is formed by the three layers of tissue that include the endoderm, mesoderm, and ectoderm?

Can Science Cure the Common Cold Introduction to the Scientific Method

Science Fiction, Bad Science, and Pseudoscience:

Is It Possible to Supplement Your Way to Better Performance and Health

Body Weight and Health: Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Climate Change

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only As Smart As Your Genes Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and Dna Profiling

Genetically Modified Organisms: Gene Expression, Mutation,

Where Did We Come From the Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I Species and Races

The Greatest Species on Earth Biodiversity and Classification

Is the Human Population Too Large Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live Climate and Biomes

Organ Donation: Tissues and Organs

Binge Drinking: the Digestive and Urinary Systems

Clearing the Air: Respiratory and Cardiovascular Systems

Vaccination: Protection and Prevention or Peril Immune System,

Human Sex Differences: Endocrine, Skeletal, and Muscular Systems

Study Drugs: Brain Boost or Brain Drain Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

Filters

A human skin cell is , while a human sperm cell is .