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Worksheets

Genes 1

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.
Which one of the following shows discontinuous variation?
a)
Eye colour
b)
Height
c)
Strength
d)
Weight
2.
Which one of the following shows continuous variation?
a)
Blood group
b)
Height
c)
Male or female
d)
Tongue rolling
3.
Which one of the following is an environmental variation?
a)
Attached ear lobes
b)
Eye colour
c)
Male or female
d)
Short hair
4.
What type of graph do we use for discontinuous variation?
a)
A bell-shape
b)
Bar chart
c)
Line graph
d)
Scatter Graph
5.

Student eye colour could be considered what type of data

a)

Discontinuous

b)

Independent

c)

Continuous

d)

Colours

6.

What do you call the cell that forms from fertilization?

a)

fertilized egg

b)

sperm cell

c)

zygote

d)

egg cell

7.

What do you call the female sex cell?

a)

egg cell

b)

sperm cell

c)

diploid

d)

haploid

8.

What do you call the type of reproduction in which the genetic materials from two different cells combine, producing an offspring?

a)

pollination

b)

sexual reproduction

c)

fertilization

d)

asexual reproduction

9.

Fertilisation is when a sperm fuses with an egg.

a)

True

b)

False

10.
How are identical twins formed?
a)
two eggs fertilised
b)
fertilized egg splits
c)
two identical eggs are released
d)
two identical sperm fertilize the egg
11.
The diagram shows the female reproductive system. The part labelled B is called  
a)
sperm 
b)
the egg  
c)
the womb  
d)
the ovary 
12.

The follicle/ovum develops in the

a)

vagina

b)

ovary

c)

oviduct

d)

uterus

13.

Ovulation typically occurs on what day of the cycle?

a)

1

b)

14

c)

20

d)

7

14.
What does ovulation mean?
a)

A sperm is released into the vas deferens

b)
The lining of the uterus breaks down
c)

An ovum is released from the ovary

d)
Menstruation occurs
15.

Different women have menstrual cycle of different lengths

a)

true

b)

false

16.

How long is the typical menstrual cycle?

a)

28 minute

b)

28 hours

c)

28 days

d)

28 weeks

17.

On which day in the cycle does ovulation usually occur?

a)

Day 1

b)

Day 7

c)

Day 14

d)

Day 21

18.

A temporary suspension of the menstrual cycle normally occurs during

a)

menstruation

b)

pregnancy

c)

ovulation

d)

menopause

19.
What does ovulation mean?
a)
A sperm is released
b)
The lining of the uterus breaks down
c)
An egg is released
d)
Menstruation occurs
20.

In which part of the female reproductive system does a baby develop?

a)

Ovaries

b)

Vagina

c)

Cervix

d)

Uterus

21.

The egg cell develops in the

a)

vagina

b)

ovary

c)

oviduct

d)

uterus

22.

The menstrual cycle usually stops around the age of 45-55. What is the name of this stage?

a)

puberty

b)

menopause

c)

menarche

23.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
24.

Adolescence is a stage of life which lasts for how many years

a)

1 year

b)

10 years

c)

5 years

d)

15 years

25.

A period of time in life where many retire from work and become grandparents is

a)

adulthood

b)

late adulthood /elderly

c)

middle adulthood

d)

adolescence

26.

Which of the following is not a physical change which occurs during adolescence

a)

getting taller

b)

growing hair

c)

produce more sweat

d)

memory function

27.

adolescence is a period of time where individuals

a)

strive for independence

b)

explore personal identity

c)

have change in friendship

d)

all of the above

28.

What is the age range of adolescence

a)

5 - 12

b)

11 - 19

c)

15 - 30

d)

21 - 50

29.

Estrogen is the hormone that causes most of the changes in a guy's body during puberty.

a)

True

b)

False

30.

List four changes that occur during puberty.

a)

production of testosterone; shrinking spurt; hair loss; body odor

b)

production of testosterone; weight loss; hair loss; muscle strength

c)

production of testosterone; growth spurt; hair loss;

d)

production of testosterone; growth spurt; hair growth; body odor

31.

During the menstrual cycle, an egg comes out of an _________ and begins a trip through the fallopian tube to the uterus.

a)

ovary

b)

uterus

c)

stomach

d)

liver

32.

Estrogen is the hormone that causes most of the changes in a girl's body during puberty.

a)

True

b)

False

33.

Which part of a guy's body produces sperm?

a)

penis

b)

testes

c)

epididymis

d)

vas deferens

34.
What causes puberty to start?
a)
Hormones
b)
Gender
c)
Genetics
d)
Body Size
35.
The cell from the mother is called the _______?
a)
sperm
b)
estrogen
c)
egg
d)
testosterone
36.
What hormone causes a males body to change during puberty?
a)
estrogen
b)
egg
c)
sperm
d)
tesrosterone
37.
What hormone causes a females body to change during puberty
a)
estrogen
b)
testosterone
c)
sperm
d)
egg
38.
What causes odor during puberty
a)
Skin
b)
Genes
c)
You now start sweating
d)
New chemicals in the body are now released
39.
Everyone goes through puberty at the same speed. 
a)
True
b)
False
40.

What is Puberty

a)

Where you grow a mustache

b)

The physical changes that happen during adolescence

c)

Where you start liking alcohol

d)

The emotional changes that happen during adolesence