Biology (Raven), 10th Edition

Chapter 52: The Reproductive System

Post-Test

1
How do cnidaria commonly reproduce?
A)budding
B)fission
C)parthenogenesis
D)hermaphroditism
E)metamorphosis
2
For how long are the embryonic gonads of mammals sexually "indifferent"?
A)about 4 days
B)about 40 days
C)about 4 months
D)about 4 years
E)until puberty
3
Which of the following were the first vertebrates to engage in sexual reproduction?
A)salamanders
B)frogs
C)marine bony fish
D)lemon shark
E)None of the selections are correct.
4
Internal fertilization evolved in terrestrial vertebrates due to strong selective pressure for which of the following?
A)gametes to be released close to each other
B)fetuses to be kept warm, moist, nourished, and protected inside the mother
C)the simultaneous release of gametes
D)gametes to be kept in a nondesiccating environment
E)fetuses to be fully developed before birth
5
Which of the following animals obtains milk from their mother by licking her skin?
A)a dog
B)a duck-billed platypus
C)a kangaroo
D)a frog
E)None of the selections are correct.
6
What is parthenogenesis?
A)all individuals in the population are male
B)offspring arise from unfertilized eggs
C)a form of sexual reproduction in invertebrates
D)a type of sexual reproduction in vertebrates
E)All selections are correct.
7
What is the strategy for development of offspring known as ovoviviparity?
A)Fertilized eggs are retained within the mother.
B)Nourishment of the embryo comes from the egg.
C)The young are not fully developed when they hatch.
D)Fertilized eggs are retained within the mother and nourishment of the embryo comes from the egg.
E)All selections are correct.
8
In human males, sperm are produced in the _________ by division of _________ with the aid of _________ cells.
A)seminiferous tubules/spermatogonia(germ cells)/Sertoli
B)sperm ducts/Sertoli/spermatogonia(germ cells)
C)seminiferous tubules/spermatocytes/Sertoli
D)seminiferous tubules/spermatogonia(germ cells)/Sertoli
E)epididymis/spermatogonia(germ cells)/Sertoli
9
In human oogenesis the first meiotic division results in a ________ and the _______ oocyte, which is ________.
A)polar body/secondary/diploid
B)polar body/secondary/haploid
C)polar body/primary/haploid
D)germinal cell/primary/diploid
E)None of the selections are correct.
10
Oral contraceptive pills taken by women contain analogues of _______ that inhibit the secretion of _____ and _____.
A)estrogen/FSH/LH
B)progesterone/FSH/GnRH
C)progesterone/FSH/LH
D)progesterone/estradiol/LH
E)None of the selections are correct.
11
In humans, what is the consequence of the SRY gene on the Y chromosome?
A)Indifferent gonads develop into ovaries.
B)Indifferent gonads develop into testes.
C)The testes secrete testosterone.
D)The ovaries secrete estrogen.
E)None of the selections are correct.
12
How are female rabbits and cats different from most other mammals with respect to reproduction?
A)They have multiple births.
B)They have short gestation periods.
C)They have a short estrus cycle.
D)They ovulate only after copulation.
E)All of the selections are correct.
13
What would happen in a male if FSH receptors on the Sertoli cells were blocked with a competitive inhibitor?
A)The secretion of testosterone would decrease.
B)The secretion of FSH would increase.
C)The secretion of FSH would decrease.
D)The secretion of LH would increase.
E)The secretion of GnRH would decrease.
14
In the human female ovarian cycle, increasing levels of _____ in the blood stimulate the _______ follicle to release its _______ oocyte.
A)FSH/Graffian/secondary
B)LH/Graffian/primary
C)LH/primary/secondary
D)LH/Graffian/secondary
E)None of the selections are correct.
15
The drug clomiphine, a competitive inhibitor of the estrogen receptor, produces what effects?
A)improves female fertility
B)acts as a contraceptive
C)increases FSH and LH production
D)decreases progesterone production
E)improves female fertility and increases FSH and LH production.
16
Select the comment or word that refers to sexual reproduction only.
A)parthogenesis
B)fission
C)meiosis
D)genetically identical progeny
17
Select the term(s) associated with sequential hermaphroditism.
A)can fertilize itself
B)protogyny and protandry
C)one individual with both testes and ovaries
D)budding
18
True or false: All mammalian embryos will develop into females unless a functional SRY gene is present.
A)true
B)false
19
Describe the male gonads.
A)the penis
B)the scrotum
C)the prostate
D)the testes
20
Describe the female gonads.
A)clitoris
B)vagina
C)the ovaries
D)labia majora
21
In what anatomical structure are there diploid cells distant from the center of convoluted tubes and haploid ones in and around the center or lumen of these tubes?
A)fallopian tubes
B)epididymis
C)developing follicle
D)seminiferous tubules
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