Bio 102 Quiz #3

25 Questions  I  By Danpack1988
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  • 1. 
    Human Spermatogonia:
    • A. 

      Are diploid cells that reside within the Seminiferous Tubules

    • B. 

      Are germ cells that reside in the Kidneys

    • C. 

      Are germ cells that reside within the Seminiferous Tubules

    • D. 

      Reside within the Seminiferous Tubules

    • E. 

      Are diploid


  • 2. 
    Which of the following statements best characterizes asexual reproduction?
    • A. 

      It allows animals that do not move around to produce offspring without finding mates

    • B. 

      It allows an animal to produce many offspring quickly

    • C. 

      It saves the time and energy required to produce gametes

    • D. 

      It produces genetically uniform populations

    • E. 

      It allows a population to expand quickly to exploit available resrouces


  • 3. 
    Athletes who take synthetic steroids can become sterile due to lack of sperm production. This is because of negative feedback on which of the following?
    • A. 

      The Epididymis

    • B. 

      The Testes

    • C. 

      The Vas Deferens

    • D. 

      The Prostrate

    • E. 

      The Hypothalamus


  • 4. 
    The cells in the ovary that gives rise to the mature egg cells are the:
    • A. 

      Follicle Cells

    • B. 

      Oseteocytes

    • C. 

      Endometrial Cells

    • D. 

      Polar Bodies

    • E. 

      Oocytes


  • 5. 
    Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle. Why is it important for the menstural cycle to be blocked during pregnancy?
    • A. 

      To prevent additional fertilization

    • 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 Luteum


  • 6. 
    Athletes who take synthetic steroids can become sterile due to lack of sperm production. This is because of negative feedback on which of the following?
    • 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 production

    • E. 

      An increase in Estrogen and a decrease in Progesterone production


  • 7. 
    Which of the following statements about the reproductive system of human females is true?
    • A. 

      In human females, eggs develop within the Uterus

    • B. 

      The Corpus Luteum secretes Progesterone, which helps maintain the uterine lining during pregnancy

    • C. 

      After 9 months of development, an embyro is called a fetus

    • D. 

      The Cervix is an important structure of sexual arousal

    • E. 

      The Labia Minora are a pair of thick, fatty ridges that protect the entire genital region


  • 8. 
    The human egg is swept through the oviduct toward the Uterus by:
    • A. 

      The beating of the egg's cilia

    • B. 

      The beating of the egg's flagella

    • C. 

      Rhythmic contractions of the oviduct

    • D. 

      Rhythmic contractions of the Uterus

    • E. 

      The beating of the cilia in the oviduct


  • 9. 
    Fertilization in the female reproductive tract most often takes place in the :
    • A. 

      Ovary

    • B. 

      Upper 1/3 of the oviduct

    • C. 

      Lower 1/3 of the oviduct

    • D. 

      Uterus

    • E. 

      Vagina


  • 10. 
    Birth control pills contain and combination of Estrogen and Progesterone. What effect would this have on the Hypothalamus?
    • 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


  • 11. 
    Human testes are positioned in an external sac rather than in the abdominal cavity:
    • A. 

      To shorten the distance that semen must travel during ejaculation

    • B. 

      To shorten the distance that sperm must swim during insemination

    • C. 

      So the testes can be kept away from the urinary bladder

    • D. 

      So the testes can be kept cooler than the body's interior

    • E. 

      So the testes can enlarge during sexual maturation


  • 12. 
    Men who take very long, hot bathes are likely to:
    • A. 

      Produce more sperm

    • B. 

      Produce healthier sperm

    • C. 

      Produce more sperm and ones that are healthier

    • D. 

      Produce fewer sperm

    • E. 

      Produce nonfunctional sperm


  • 13. 
    After being produced in the testes, sperm mature further in a structure called the:
    • A. 

      Vas Deferens

    • B. 

      Epididymis

    • C. 

      Prostrate

    • D. 

      Seminal Vesicle

    • E. 

      Bulbouurethral Gland


  • 14. 
    Which of the following produce a thick fluid containing fructose, which is used for energy by sperm?
    • A. 

      Prostrate Gland

    • B. 

      Bulbuourethral Gland

    • C. 

      Seminal Vesicles

    • D. 

      Vas Deferens

    • E. 

      Epididymis


  • 15. 
    Which of the following statements regarding Spermatogenesis and Oogenesis is true?
    • A. 

      Meiosis in Spermatogenesis produces two cells from one primary Spermatocyte

    • B. 

      Meiosis in Oogenesis produces on mature egg from one primary Oocyte

    • C. 

      Oogenesis begins at puberty

    • D. 

      Spermatogenesis begins at birth

    • E. 

      Oogenesis is not completed without stimulation by Estrogen


  • 16. 
    Which of the following statements regarding Spermatogenesis and Oogenesis is true?
    • A. 

      During Oogenesis, four cells are produced with each sharing equally the cytoplasm from the parent cell

    • B. 

      During Oogenesis, there is a resting period that lasts about 30 days

    • C. 

      Men, but not women, can produce gametes throughout their lives

    • D. 

      Spermatogenesis and Oogenesis rely upon mitosis to produce gametes

    • E. 

      Spermatogenesis, but not Oogenesis, an example of Gameteogenesis


  • 17. 
    Menstuation:
    • A. 

      Is triggered by an LH surge

    • B. 

      Is triggered by HCG

    • C. 

      Is triggered by an increase in the levels of Estrogen and Progesterone

    • D. 

      Coincides with the post-ovulatory phase of the ovarian cycle

    • E. 

      Coincides with the beginning of the pre-ovulatory phase of the ovarian cycle


  • 18. 
    In human females, the ovarian cycle begins when:
    • A. 

      The levels of Estrogen reach their maximum

    • B. 

      The Hypothalamus increases its release of FSH and LH

    • C. 

      The Hypothalamus stimulates the Anterior Pituitary to increase its output of FSH and LH

    • D. 

      The level of Progesterone drops precipitously

    • E. 

      The levels of FSH and LH drop precipitously


  • 19. 
    Which of the following hormones stimulates the growth of an ovarain follicle?
    • A. 

      LH

    • B. 

      FSH

    • C. 

      Estrogen

    • D. 

      Progesterone

    • E. 

      Releasing Hormone


  • 20. 
    A decrease in _ is followed by the gradual degradation of the Corpus Luteum
    • A. 

      LH

    • B. 

      FSH

    • C. 

      Estrogen

    • D. 

      Progesterone

    • E. 

      Releasing Hormone


  • 21. 
    Often a woman may first suspect she is pregnant when she misses a period or menstrural cycle. What causes a pregnant woman to miss a period?
    • A. 

      Chorionic Gonadotrophin causes the Corpus Luteum to produce Progesterone

    • B. 

      Chorionic Gonadotrophin blocks the Corpus Luteum from producing Progesterone

    • C. 

      FSH causes the Corpus Luteum to produce Progesterone

    • D. 

      FSH blocks the Corpus Luteum from producing Progesterone

    • E. 

      LH blocks the Corpus Luteum from producing Progesterone


  • 22. 
    The function of a sperm cell's Acrosome is to:
    • A. 

      Carry the sperm's nucleus

    • B. 

      Fuse with the jelly coat of the egg cell

    • C. 

      Carry enzymes that are released to form a hole in the egg's jelly coat when the sperm encounters an egg

    • D. 

      Contain the fuel that powers the sperm

    • E. 

      Carry the sperm's helical mitochondria


  • 23. 
    Which of the following events occurs first during embryonic development?
    • A. 

      Gastrulation

    • B. 

      Neurulation

    • C. 

      Cleavage

    • D. 

      Implantation

    • E. 

      Aggregation


  • 24. 
    In humans, the transparent sac that contains fluid that cushions the embryo and maintains and constant temperature and pressure is the:
    • A. 

      Amnion

    • B. 

      Yolk Sac

    • C. 

      Embryonic Disc

    • D. 

      Chorionic Disc

    • E. 

      Chorion


  • 25. 
    Another term for gestation is:
    • A. 

      Conception

    • B. 

      Fertilization

    • C. 

      Ovulation

    • D. 

      Development

    • E. 

      Pregnancy


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