Reproduction - Human Growth

1. When a fertilized egg divides and forms a ball of cells, it is known as

A) an implant
B) a nucleus
C) a fetus
D) an embryo

2. Where does implantation occur and the zygote develop

A) in the ovary
B) in the fallopian tube
C) in the vagina
D) in the uterus

3. The developing embryo is fed by its mother’s blood through an organ called the

A) uterus
B) amnion
C) placenta
D) vagina

4. What cells begin to form early on in the developing embryo

A) ear cells
B) eye cells
C) blood cells
D) lung cells

5. The developing embryo is connected to the placenta by

A) the umbilical cord
B) the developing nerves
C) the spinal cord
D) the amniotic fluid

6. After week 9 or 10 of pregnancy, the developing human acquires features and is then referred to as

A) an embryo
B) a fetus
C) a zygote
D) a newborn

7. A mother goes into labor, and a fetus is ready to be born after approximately how many weeks?

A) 40
B) 48
C) 17
D) 25

8. A child is considered an infant until it reaches what age?

A) 5 years
B) 1 year
C) 2 years
D) 3 years

9. During puberty, an adolescent’s body goes through what change?

A) There is loss of flexibility.
B) Permanent teeth appear.
C) Eyesight deteriorates.
D) The reproductive system matures.

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 contracts to help the mother give birth.
C) It becomes an organ in the developing embryo.
D) It contains very few blood vessels.

12. The mother’s muscle contractions that help a baby to be born are called

A) the uterus
B) the placenta
C) full-term
D) labor

13. Your navel is the place on your body that was once attached to

A) the umbilical cord
B) the uterus
C) a fallopian tube
D) the amnion

14. Which of the following is a characteristic of infancy?

A) You need little sleep
B) You begin to read
C) You begin to run
D) Baby teeth appear

Students who took this test also took :

Main Idea
Human body systems
unit 5 week 3

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