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Fetal Development

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

How many months is a woman pregnant for?

a)

11

b)

12

c)

10

d)

9

2.

How many trimesters are there in a pregnancy?

a)

2

b)

3

c)

5

d)

9

3.
The joining of a male sperm cell and a female egg cell to form a human life.
a)
Reproduction
b)
Menstruation
c)
Ovulation
d)
Fertilization
4.

Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus?

a)

Zygote → Blastocyst → Embryo → Fertilization

b)

Fertilization → Zygote → Blastocyst → Embryo

c)

Blastocyst → Embryo → Differentiation → Zygote

d)

Fertilization → Growth → Differentiation → Zygote

5.

In which of the following structures of the female human reproductive system is the blastocyst implanted during normal human development?

a)

Ovary

b)

uterus

c)

vagina

d)

amniotic sac

6.

A fertilized egg undergoes several stages before it is implanted. In which of the following structure of the female reproductive system is the egg fertilized?

a)

Ovary

b)

Uterus

c)

Fallopian tube

d)

Cervix

7.

A zygote is formed by ___________ of a male and female gamete.

a)

fertilization

b)

division

c)

reduction

d)

addition

8.
What does the placenta do?
a)
It allows nutrients to enter the fetus from the mother and waste products to leave the fetus.
b)
It allows the nutrients and waste products to travel freely between the foetus and the mother.
c)
It prevents all bad chemicals from harming the fetus.
d)
It allows solid food to reach the fetus.
9.

During the second trimester, this fine, soft hair covers the body of the fetus and newborn baby.

a)

lanugo

b)

vernix

c)

downy

d)

peach fuzz

10.
The first organ to function is the
a)
heart
b)
brain
c)
lungs
d)
stomach
11.

Following implantation, and until the 8th week of pregnancy, this would be called a(n)

a)

blastocyst

b)

zona

c)

embryo

d)

fetus

12.

At the end of eight weeks the embryo is called the _________.

a)

Zygote

b)

Fetus

c)

Morulla

d)

Blastocyst

13.

During which trimester will the lungs fully develop?

a)

First

b)

Second

c)

Third

14.
The diagram below represents a stage in the development of a fetus. A major function of structure X is to
a)
produce gametes by meiosis
b)
protect the fetus from physical injury
c)
 exchange materials between the mother and the fetus
d)
store food to provide the fetus with nutrients
15.
When the blastocyst attaches to the lining of the uterus, this is known as
a)
fertilization
b)
ovulation
c)
implantation
d)
mitosis

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