BIO 172 EXAM PRE-QUESTIONS WITH COMPLETE CORRECT ANSWERS | GRADE A+
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BIO 172
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BIO 172
BIO 172 EXAM PRE-QUESTIONS WITH COMPLETE
CORRECT ANSWERS | GRADE A+ A spermatheca
a. Is a component of the male reproductive system used to create male gametes
b. Is a component of the male reproductive system used to store male gametes
c. Is a component of the male reproductive system used to...
BIO 172 EXAM PRE-QUESTIONS WITH COMPLETE
CORRECT ANSWERS | GRADE A+
A spermatheca
a. Is a component of the male reproductive system used to create male gametes
b. Is a component of the male reproductive system used to store male gametes
c. Is a component of the male reproductive system used to sort viable male gametes fromnon-
viable male gametes
d. Is a component of the male reproductive system used to deliver male gametes to females
e. Is a component of the female reproductive system used to store male gametes
Ans: E. Is a component of the female reproductive system used to store male gametes
Internal fertilizations occurs in organism that have
a. viviparity
b. ovoviparity
c. oviparity
d. all of the above
e. none of the above
,Ans: D. all of the above
Which of the following is true of gastrulation?
a. Four germ layers will develop
b. A hollow ball of cells will form at this stage
c. The blastula becomes a solid mass of cells
d. The mesoderm germ layer will form the nervous system
e. Cells of the blastula migrate spatially, resulting in the blastula folding upon itself.
Ans: E. Cells of the blastula migrate spatially, resulting in the blastula folding upon itself.
An acrosome is a structure
a. in eggs that helps present polyspermy
b. in eggs that helps attract sperm
c. in a sperm cell that helps prevent polyspermy
d. in a sperm cell that helps the sperm penetrate an egg
e. in a sperm cell that provides energy that drives the flagellum
Ans: D. in a sperm cell that helps the sperm penetrate an egg
A duck reproduces by
,a. viviparity
b. ovoviparity
c. oviparity
d. spawning
e. external fertilization
Ans: C. oviparity
In the experiment by Spemann and Mangold (which was conducted using an amphibian in
1924), not only did a second notochord form from the transplanted cells, but cells surrounding
the transplanted cells also became part of the second notochord. What does this finding suggest
about the process of animal (or amphibian) development?
a. All cells in an embryo have a defined fate that cannot be changed.
b. Having two notochords may be adaptive
c. Embryo transplantation experiments are difficult and usually end in failure
d. Certain embryonic cells have the ability to induce the differentiation of neighboring cells
e. The nervous system controls organogenesis during early embryo development anddisruption
of this system will lead to abnormalities during development
Ans: D. Certain embryonic cells have the ability to induce the differentiation of neighboring
cells
, During the process of oogenesis, which of the following is true?
a. an oocycte will undergo mitosis
b. an oogonium will undergo meiosis
c. two haploid polar bodies are discarded
d. primary oocytes are haploid
e. none of the above
Ans: C. two haploid polar bodies are discarded
Which of the following is in correct chronological order?
a. increasing progesterone, ovulation, follicle maturation
b. ovulation, increasing progesterone, growth of the uterine lining
c. menstruation, development of the corpus luteum, ovulation
d. peak in estradiol, menstruation, ovulation
e. follicle growth, peak in progesterone release, ovulation
Ans: B. ovulation, increasing progesterone, growth of the uterine lining
Which of the following is not a possible advantage of asexual reproduction?
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