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Reproduction - Human Growth - Quiz
Contributed by: Lefebvre
  • 1. When a fertilized egg divides and forms a ball of cells, it is known as
A) an implant
B) a nucleus
C) an embryo
D) a fetus
  • 2. Where does implantation occur and the zygote develop
A) in the ovary
B) in the fallopian tube
C) in the uterus
D) in the vagina
  • 3. The developing embryo is fed by its mother’s blood through an organ called the
A) placenta
B) uterus
C) amnion
D) vagina
  • 4. What cells begin to form early on in the developing embryo
A) eye cells
B) blood cells
C) ear cells
D) lung cells
  • 5. The developing embryo is connected to the placenta by
A) the amniotic fluid
B) the spinal cord
C) the umbilical cord
D) the developing nerves
  • 6. After week 9 or 10 of pregnancy, the developing human acquires features and is then referred to as
A) a fetus
B) an embryo
C) a newborn
D) a zygote
  • 7. A mother goes into labor, and a fetus is ready to be born after approximately how many weeks?
A) 17
B) 25
C) 40
D) 48
  • 8. A child is considered an infant until it reaches what age?
A) 3 years
B) 1 year
C) 2 years
D) 5 years
  • 9. During puberty, an adolescent’s body goes through what change?
A) Eyesight deteriorates.
B) The reproductive system matures.
C) Permanent teeth appear.
D) There is loss of flexibility.
  • 10. Ordinarily, how many sperm fertilize a female’s egg?
A) several million
B) a few hundred
C) one
D) six to ten
  • 11. Which of the following is a characteristic of the placenta?
A) It’s an exchange organ between mother and embryo.
B) It contains very few blood vessels.
C) It becomes an organ in the developing embryo.
D) It contracts to help the mother give birth.
  • 12. The mother’s muscle contractions that help a baby to be born are called
A) the uterus
B) labor
C) the placenta
D) full-term
  • 13. Your navel is the place on your body that was once attached to
A) the uterus
B) a fallopian tube
C) the umbilical cord
D) the amnion
  • 14. Which of the following is a characteristic of infancy?
A) You need little sleep
B) You begin to run
C) You begin to read
D) Baby teeth appear
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Main Idea
Human body systems
unit 5 week 3
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