Question 1

What does the human reproductive system create?

Accepted Answer

A)  a new gamete
B)  a genetically-identical copy of an existing human
C)  a genetically-identical cell
D)  a genetically-different cell
E)  a genetically-unique offspringF) A) and B)
G) B) and E)

Question 2

The correct sequence for the stages in development from conception to birth is

Accepted Answer

A)  preembryonic stage,zygote,embryonic stage,fetal stage.
B)  fetal stage,zygote,preembryonic stage,embryonic stage.
C)  preembryonic stage,embryonic stage,zygote,fetal stage.
D)  zygote,preembryonic stage,embryonic stage,fetal stage.
E)  fetal stage,embryonic stage,preembryonic stage,zygotE.F) None of the above
G) A) and D)

Question 3

A gene called the ______ must be activated at week seven of embryonic development for male sex organs and glands to develop.

Accepted Answer

A)  sex-determining gene on the Y chromosome
B)  GnRH
C)  FSH
D)  sex-determining gene on the X chromosome
E)  GHF) A) and E)
G) D) and E)

Question 4

The surge of the hormone _______________ in the bloodstream of the female triggers ovulation.

Accepted Answer

A)  FSH
B)  LH
C)  estrogen
D)  progesterone
E)  GnRHF) B) and D)
G) A) and C)

Question 5

A female chicken laying a fertilized egg has undergone ____ with a rooster.

Accepted Answer

A)  differentiation
B)  external fertilization
C)  indirect development
D)  direct development
E)  internal fertilizationF) A) and B)
G) A) and C)

Question 6

Taking antibiotics can disrupt the microbial community of the vagina and create an opportunity for the yeast Candida albicans to cause an infection.

Accepted Answer

A) True 
 B)False

Question 7

In organisms that reproduce sexually,________ are the sex cells that carry the genetic information from each parent.

Accepted Answer

A)  diploid zygotes
B)  haploid zygotes
C)  haploid gametes
D)  diploid gametes
E)  diploid hormonesF) A) and B)
G) A) and C)

Question 8

A tubal ligation is a surgical procedure in which the fallopian tubes are severed,and then tied.How would this cause sterility?

Accepted Answer

A)  Oocytes cannot be produced by meiosis.
B)  Oocytes cannot move to the uterus.
C)  Oocytes cannot be produced by mitosis.
D)  A woman cannot have an orgasm.
E)  The ovary stops producing estrogen.F) A) and B)
G) A) and C)

Question 9

Birth control pills contain a combination of estrogen and progesterone.How would this prevent pregnancy?

Accepted Answer

A)  It would prevent sperm from reaching the egg.
B)  It would cause the embryo to die.
C)  It would prevent implantation on the uterine wall.
D)  If would act as a spermicide,killing sperm.
E)  It would prevent ovulation.F) B) and C)
G) A) and B)

Question 10

The 2 cm-long structure in the human female that stimulates the female to experience orgasm is the

Accepted Answer

A)  clitoris.
B)  cervix.
C)  labia majora.
D)  uterus.
E)  labia minora.F) A) and B)
G) A) and C)

Question 11

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",cuttlefish and other cephalopods are in which group of animals?

Accepted Answer

A)  fish
B)  annelids
C)  mollusks
D)  reptiles
E)  cnidariansF) A) and C)
G) A) and B)

Question 12

Mature human sperm cells

Accepted Answer

A)  are haploid.
B)  are secondary spermatocytes.
C)  contain 46 chromosomes.
D)  are primary spermatocytes.
E)  undergo meiosis.F) A) and E)
G) A) and D)

Question 13

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",what is the dependent variable?

Accepted Answer

A)  how long a male guarded a female
B)  whether a male acted as a female
C)  whether a male removed the sperm packet that other males had implanted into a female
D)  how successful a male was at fertilizing a female
E)  the size of the maleF) B) and D)
G) A) and E)

Question 14

In a secondary oocyte,meiosis is arrested in metaphase II until

Accepted Answer

A)  ovulation.
B)  FSH is present.
C)  fertilization occurs.
D)  LH is secreted by the anterior pituitary.
E)  puberty.F) C) and D)
G) C) and E)

Question 15

The tube-like structure that serves as the birth canal in the human female is the

Accepted Answer

A)  cervix.
B)  vulva.
C)  vagina.
D)  uterus.
E)  uterine tubE.F) A) and C)
G) A) and D)

Question 16

A caterpillar turning into a butterfly is an example of

Accepted Answer

A)  external fertilization.
B)  internal fertilization.
C)  indirect development.
D)  direct development.
E)  reproduction.F) D) and E)
G) C) and D)

Question 17

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.Why is it important for the menstrual cycle to be blocked during a pregnancy?

Accepted Answer

A)  to prevent additional fertilizations
B)  to conserve eggs
C)  to avoid having twins
D)  to prevent the blastocyst from being lost
E)  to prevent the loss of the corpus luteumF) A) and E)
G) D) and E)

Question 18

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",what can be concluded from the figure?

Accepted Answer

A)  Female impersonators were successful in mating 50% of the time.
B)  Males who guard a female for 0-20 minutes had the most reproductive success.
C)  Males who guard a female for more than 40 minutes had the most reproductive success.
D)  There was no correlation between time spent guarding a female and reproductive success.
E)  Males who guard a female for 20-40 minutes had the most reproductive success.F) B) and D)
G) A) and E)

Question 19

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because the synthetic steroids cause which of the following?

Accepted Answer

A)  a decrease in FSH and LH production
B)  an increase in FSH and LH production
C)  a decrease in FSH and an increase in LH production
D)  an increase in FSH and a decrease in LH productionE) B) and D)
F) A) and D)

Question 20

In human males,the different types of male sex hormones are collectively called

Accepted Answer

A)  estrogens.
B)  growth hormones.
C)  progesterones.
D)  androgens.
E)  follicle-stimulating hormones.F) A) and B)
G) C) and D)

Exam 30: Animal Reproduction and Development

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because the synthetic steroids cause which of the following?

Correct AnswerverifiedShow Answer

Taking antibiotics can disrupt the microbial community of the vagina and create an opportunity for the yeast Candida albicans to cause an infection.

Correct AnswerverifiedShow Answer

What does the human reproductive system create?

Correct AnswerverifiedShow Answer

The tube-like structure that serves as the birth canal in the human female is the

Correct AnswerverifiedShow Answer

A gene called the ______ must be activated at week seven of embryonic development for male sex organs and glands to develop.

Correct AnswerverifiedShow Answer

In organisms that reproduce sexually,________ are the sex cells that carry the genetic information from each parent.

Correct AnswerverifiedShow Answer

The 2 cm-long structure in the human female that stimulates the female to experience orgasm is the

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",what is the dependent variable?

Correct AnswerverifiedShow Answer

Mature human sperm cells

Correct AnswerverifiedShow Answer

The surge of the hormone _______________ in the bloodstream of the female triggers ovulation.

Correct AnswerverifiedShow Answer

In human males,the different types of male sex hormones are collectively called

Correct AnswerverifiedShow Answer

A female chicken laying a fertilized egg has undergone ____ with a rooster.

Correct AnswerverifiedShow Answer

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.Why is it important for the menstrual cycle to be blocked during a pregnancy?

Correct AnswerverifiedShow Answer

In a secondary oocyte,meiosis is arrested in metaphase II until

Correct AnswerverifiedShow Answer

Birth control pills contain a combination of estrogen and progesterone.How would this prevent pregnancy?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",cuttlefish and other cephalopods are in which group of animals?

Correct AnswerverifiedShow Answer

A caterpillar turning into a butterfly is an example of

Correct AnswerverifiedShow Answer

The correct sequence for the stages in development from conception to birth is

Correct AnswerverifiedShow Answer

A tubal ligation is a surgical procedure in which the fallopian tubes are severed,and then tied.How would this cause sterility?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The 'Cross-Dressers' of the Reef",what can be concluded from the figure?

Correct AnswerverifiedShow Answer

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