Chapter 52 – The Reproductive System
Chapter 52
The Reproductive System
Multiple Choice Questions
1. What is the primary means of reproduction among the protists, cnidaria, and tunicates?
2. Terrestrial vertebrates and some fish evolved a form of fertilization in which the male
gametes are introduced into the female reproductive tract. What is this called?
Chapter 52 – The Reproductive System
3. Internally fertilized organisms can either be born alive, or emerge from what structures?
4. Some internally fertilized eggs develop and hatch outside the mother’s body. What is this
developmental strategy called?
5. What was the most important adaptation of the reptiles and birds to life on land?
Chapter 52 – The Reproductive System
6. The immotile sperm develop motility in about 18 hours after arriving at the long, coiled
tube called the
7. In females at puberty, what cells begin to secrete the major female sex hormone
estradiol?
8. What kind of oocyte is released from the ovary at ovulation?
Chapter 52 – The Reproductive System
9. In males, sterilization involves a vasectomy, which removes a portion of what structure?
10. What term describes avoidance of reproduction without giving up sexual intercourse?
11. What stimulates ovulation?
Chapter 52 – The Reproductive System
12. What stimulates spermatogenesis?
13. What stimulates secretion of testosterone by Leydig cells?
14. What stimulates growth of ovarian follicles?
Chapter 52 – The Reproductive System
15. What completes preparation of uterus for pregnancy?
16. What prompts monthly preparation of uterus for pregnancy?
17. What are the only mammals that lay eggs?
Chapter 52 – The Reproductive System
18. In humans, which embryonic tissues are “indifferent”?
19. What mammals retain their young for a long period of development within the mother’s
uterus?
20. An adult male produces sperm continuously by meiotic division of cells lining what
structure?
Chapter 52 – The Reproductive System
21. What process is absent in mammals with an estrous cycle?
22. Ovulation occurs by a surge in the secretion of what hormone?
23. What hormone is tested for in pregnancy tests?
Chapter 52 – The Reproductive System
24. What caused intense selective pressure for terrestrial vertebrates to evolve internal
fertilization?
25. What is the term for organisms in which internally-fertilized eggs are laid to develop and
hatch outside the mother’s body?
26. Ovoviviparity is found in
Chapter 52 – The Reproductive System
27. Which of the following statements is true of reptiles?
28. Which is a correct statement about reptile reproduction compared to bird reproduction?
29. What describes marsupial embryos?
Chapter 52 – The Reproductive System
30. What describes placental mammalian embryos?
31. The scrotum is a sac-like structure outside the abdomen in which the testes are
suspended. Why is this structure essential?
32. The sperm head encloses a compact nucleus and is capped by a vesicle called what?
Chapter 52 – The Reproductive System
33. Which is a correct description of hormone action?
Check All That Apply Questions
34. What are attributes of oral contraceptives? (Check all that apply.)
Multiple Choice Questions
35. Select the correct sequence of events of the human menstrual phase, beginning and
ending with the menstrual cycle.
Chapter 52 – The Reproductive System
36. The uterine lining proliferates during the female cycle and then sloughs off in what
process?
37. Where does normal fertilization of an egg by a sperm in a human female occur?
Chapter 52 – The Reproductive System
38. Select the correct statement regarding the human female reproductive system.
39. Select the correct pair of statements about FSH and LH function.
Chapter 52 – The Reproductive System
40. How do birth control pills prevent fertilization?
41. What is the most commonly employed form of birth control in the United States?
42. What is an important benefit of using condoms?
Chapter 52 – The Reproductive System
43. There are numerous fish genera that have individuals that can change their sex during
their lifetime. What is this called?
44. Vertebrates that practice internal fertilization employ three strategies for embryonic and
fetal development. In one strategy, the female retains the eggs within her body and the young
are fully developed when they hatch inside of her. What is this called?
Chapter 52 – The Reproductive System
52–17
45. Vertebrates that practice internal fertilization employ three strategies for embryonic and
fetal development. In one strategy, the female retains the young which develop and obtain
nourishment from the female’s blood. What is this called?
46. You notice that in your aquarium, previously full of undoubtedly male fish, one is laying
eggs. Upon a bit of research, you find out that the species of fish you purchased is a sequential
hermaphrodite. Which of the following is true?
Chapter 52 – The Reproductive System
52–18
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about different reproductive strategies? What other information
is related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
47. Which of the following determines genetic sex (male or female) in mammals?
48. There are exceptions to the general rule that amphibians lay eggs that develop in the
water. These exceptions showed extreme variation but they do have one thing in common.
What is it?
Chapter 52 – The Reproductive System
49. Why did internal fertilization likely evolve?
50. Choose the correct statement regarding estrous and menstrual cycles.
51. Which of the following have young which feed on milk?