Question 1

Immature eggs are called

Accepted Answer

A)  primordia.
B)  primary oocytes.
C)  lecithals.
D)  corpus lutea.
E)  ova. B

Question 2

The hormones prolactin and oxytocin

Accepted Answer

A)  induce the mammary glands to secrete and eject milk.
B)  cause immature oocytes and follicles to develop.
C)  prevent the corpus luteum from disintegrating.
D)  stimulate development of the uterine wall after menstruation.
E)  control pituitary secretion. A

Question 3

The release of hCG from the embryo and placenta keeps the _____________ from disintegrating.

Accepted Answer

A)  morula
B)  corpus luteum
C)  blastula
D)  gastrula
E)  corona radiata B

Question 4

Development of an unfertilized egg into a new individual is called

Accepted Answer

A)  oogenesis.
B)  biogenesis.
C)  parthenogenesis.
D)  hermaphroditism.
E)  bisexualism.

Question 5

Which of the following does NOT occur in parthenogenesis?

Accepted Answer

A)  spontaneous activation of a mature egg
B)  normal egg divisions
C)  haploid and/or diploid eggs
D)  offspring with many characteristics of the male parent
E)  none of the choices occur in parthenogenesis.

Question 6

In this form of hermaphroditism individuals start life as females and then become males later in life.

Accepted Answer

A)  protandrous
B)  polygynous
C)  polyandrous
D)  polygamous
E)  protogynous

Question 7

The umbilical artery carries

Accepted Answer

A)  wastes from the fetus, and is oxygenated.
B)  wastes from the fetus, and is deoxygenated.
C)  nutrients from the mother, and is oxygenated.
D)  nutrients from the mother, and is deoxygenated.
E)  None of the choices are correct.

Question 8

Asexual reproduction in which a body part is lost and then regenerates into a new organism is called

Accepted Answer

A)  sporulation.
B)  multiple fission.
C)  fragmentation.
D)  budding.
E)  gemmulation.

Question 9

The acrosome of a mature human sperm contains the enzyme

Accepted Answer

A)  acrosin.
B)  spermatase.
C)  inhibin.
D)  estrogen.
E)  gonadotropin.

Question 10

Hormones produced by human males include all of the following EXCEPT

Accepted Answer

A)  testosterone.
B)  LH (also known as ICSH) .
C)  GnRH.
D)  FSH.
E)  Prolactin.

Question 11

The controlling center for ovulation and menstruation is the

Accepted Answer

A)  pineal.
B)  endometrium.
C)  corpus albicans.
D)  hypothalamus.
E)  corpus luteum.

Question 12

The part of the uterine tube that encircles the ovary is fringed with feathery

Accepted Answer

A)  oviduct.
B)  vesicular follicle.
C)  endometrium.
D)  fimbriae.
E)  myometrium.

Question 13

Which of the following is NOT a function of the epididymis?

Accepted Answer

A)  sperm maturation
B)  sperm storage until ejaculation
C)  a passageway for sperm to the ductus deferens
D)  semen production
E)  maintenance of sperm at an appropriate temperature

Question 14

A hormone called inhibin is produced by the sustenacular cells of the

Accepted Answer

A)  corpus spongiosum.
B)  corpora cavernosa.
C)  epididymis.
D)  seminal vesicles.
E)  seminiferous tubules.

Question 15

The female gonads are called

Accepted Answer

A)  ovaries.
B)  oviducts.
C)  primordial follicles.
D)  uteri.
E)  corpora lutea.

Question 16

During pregnancy the breasts enlarge in response to increasing levels of the hormone

Accepted Answer

A)  prolactin.
B)  FSH.
C)  meconium.
D)  LH.
E)  colostrum.

Question 17

A form of asexual reproduction in which the parent divides into two approximately equal parts is

Accepted Answer

A)  fragmentation.
B)  multiple fission.
C)  internal budding.
D)  binary fission.
E)  external budding.

Question 18

The most primitive mammals,the monotremes,are

Accepted Answer

A)  oviparous.
B)  parthenogenetic.
C)  viviparous.
D)  ovoviviparous.
E)  protandric.

Question 19

All birds are

Accepted Answer

A)  oviparous.
B)  viviparous.
C)  ovoviviparous.
D)  protandrous.
E)  protogynous.

Question 20

A cnidarian colony adds to individuals by

Accepted Answer

A)  binary fission.
B)  longitudinal fission.
C)  multiple fission.
D)  fragmentation.
E)  budding.

Exam 29: Reproduction and Development