Question 1

Fruit fly development clearly exemplifies direct development,since the worm-like larva is so unlike the adult fly.

Accepted Answer

A) True 
 B)False

Question 2

Although impossible in humans,what is the result if two sperm fertilized an egg?

Accepted Answer

A)  a haploid zygote with one-third of the total chromosomes from each gamete
B)  a diploid zygote with one-half of the total chromosomes from each gamete
C)  a diploid zygote with all of the chromosomes from each gamete
D)  a triploid zygote with all of the chromosomes from each gamete
E)  identical twinsF) B) and E)
G) C) and E)

Question 3

In the human male and female reproductive systems,each system contains paired primary sex organs called ______,which contain ______ that give rise to gametes.

Accepted Answer

A)  testes;sperm cells
B)  gonads;germ cells
C)  ovaries;egg cells
D)  germ cells;hormones
E)  All answers are correct.F) C) and D)
G) C) and E)

Question 4

The process that unites the male gametes with the female gametes in organisms that reproduce sexually is termed

Accepted Answer

A)  conjugation.
B)  fertilization.
C)  crossing over.
D)  gastrulation.
E)  recombination.F) A) and D)
G) A) and B)

Question 5

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  True

Question 6

What evidence would cause you to think that a preembryo had split before day 12 of a patient's pregnancy?

Accepted Answer

A)  polar bodies
B)  secondary oocytes
C)  fraternal twins
D)  identical twins
E)  embryonic discsF) C) and E)
G) A) and E)

Question 7

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) B) and D)
G) A) and D)

Question 8

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) All of the above
G) C) and D)

Question 9

Birth control pills contain a combination of estrogen and progesterone.What effect would this have on the hypothalamus?

Accepted Answer

A)  It would secrete less FSH and LH.
B)  It would secrete more gonadotrophin-releasing hormone.
C)  It would secrete more FSH and LH.
D)  It would secrete less gonadotrophin-releasing hormone.
E)  There would be no effect on the hypothalamus.F) B) and C)
G) A) and B)

Question 10

The second stage of prenatal development is the fetal stage.

Accepted Answer

A) True 
 B)False  False

Question 11

The stage of human development in which the endoderm,mesoderm,and ectoderm form is the

Accepted Answer

A)  zygote.
B)  gastrula.
C)  embryonic stage.
D)  ovum.
E)  fetal stagE.F) A) and B)
G) A) and D)

Question 12

If a woman,late in pregnancy,feels contractions of a muscular sac-like organ,she is feeling contractions of her

Accepted Answer

A)  ovary.
B)  labia majora.
C)  vagina.
D)  uterus.
E)  vulva.F) None of the above
G) A) and B)

Question 13

The hormone released by the anterior pituitary that stimulates the development of the corpeus luteum is

Accepted Answer

A)  GnRH.
B)  FSH.
C)  LH.
D)  ATP.
E)  progesteronE.F) A) and B)
G) B) and C) C

Question 14

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) B) and D)
G) B) and E)

Question 15

If working on a diagram of the human male reproductive system,you would label the tightly coiled tube that receives and stores sperm from one testis is a(n)

Accepted Answer

A)  scrotum.
B)  vas deferens.
C)  epididymis.
D)  prostate glanD.
E)  seminal vesiclE.F) None of the above
G) B) and E)

Question 16

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) B) and D)
G) A) and B)

Question 17

A baby turtle growing into an adult that appears similar is an example of

Accepted Answer

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

Question 18

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.What causes a pregnant woman to miss a period?

Accepted Answer

A)  Chorionic gonadotropin causes the corpus luteum to produce progesterone.
B)  Chorionic gonadotropin blocks the corpus luteum from producing progesterone.
C)  Follicle-stimulating hormone causes the corpus luteum to produce progesterone.
D)  Follicle-stimulating hormone blocks the corpus luteum from producing progesterone.
E)  Luteinizing hormone blocks the corpus luteum from producing progesteronE.F) A) and E)
G) A) and B)

Question 19

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) A) and B)
G) A) and C)

Question 20

A vasectomy is a surgical procedure in which the vas deferens are severed,and then tied.How would this cause sterility?

Accepted Answer

A)  Sperm cannot be produced by meiosis.
B)  Sperm cannot be produced by mitosis.
C)  Sperm cannot move to the urethra.
D)  A man cannot get an erection.
E)  The testes stop producing testosteronE.F) D) and E)
G) C) and E)

Exam 30: Animal Reproduction and Development

Fruit fly development clearly exemplifies direct development,since the worm-like larva is so unlike the adult fly.

Correct AnswerverifiedShow Answer

Although impossible in humans,what is the result if two sperm fertilized an egg?

Correct AnswerverifiedShow Answer

In the human male and female reproductive systems,each system contains paired primary sex organs called ______,which contain ______ that give rise to gametes.

Correct AnswerverifiedShow Answer

The process that unites the male gametes with the female gametes in organisms that reproduce sexually is termed

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 AnswerverifiedTrue

What evidence would cause you to think that a preembryo had split before day 12 of a patient's pregnancy?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Birth control pills contain a combination of estrogen and progesterone.What effect would this have on the hypothalamus?

Correct AnswerverifiedShow Answer

The second stage of prenatal development is the fetal stage.

Correct AnswerverifiedFalse

The stage of human development in which the endoderm,mesoderm,and ectoderm form is the

Correct AnswerverifiedShow Answer

If a woman,late in pregnancy,feels contractions of a muscular sac-like organ,she is feeling contractions of her

Correct AnswerverifiedShow Answer

The hormone released by the anterior pituitary that stimulates the development of the corpeus luteum is

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

If working on a diagram of the human male reproductive system,you would label the tightly coiled tube that receives and stores sperm from one testis is a(n)

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

A baby turtle growing into an adult that appears similar is an example of

Correct AnswerverifiedShow Answer

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.What causes a pregnant woman to miss a period?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A vasectomy is a surgical procedure in which the vas deferens are severed,and then tied.How would this cause sterility?

Correct AnswerverifiedShow Answer

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In the human male and female reproductive systems,each system contains paired primary sex organs called ,which contain that give rise to gametes.

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True

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False

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C

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