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2nd year April test

Total questions: 78

Worksheet time: 2hrs 13mins

Name
Class
Date
1.

What is the function of the cardiovascular system?

a)

Break down food for nutrients.

b)

Carry materials like gasses, nutrients, and waste around the body.

c)

Movement of body parts.

d)

Collect information and respond with electrical messages.

2.

What type of blood vessel returns blood back to the heart?

a)

vein

b)

artery

c)

capillary

d)

none of the above

3.

What type of blood vessels brings blood AWAY from the heart?

a)

Vein

b)

Artery

c)

Capillary

d)

None of the above

4.

Which component of blood helps stop bleeding and forms clots?

a)

Platelets

b)

White Blood Cell

c)

Red Blood Cell

d)

Plasma

5.

Which component of blood helps deliver oxygen with the protein hemoglobin?

a)

Platelet

b)

White Blood Cell

c)

Red Blood Cell

d)

Plasma

6.

What is the main function of the respiratory system?

a)

break down food for nutrients

b)

produce hormones (chemical messages)

c)

Structure, support, and protection of body parts.

d)

Bring in oxygen to the body and get rid of carbon dioxide.

7.

What are the tiny air sacs in the lungs that exchange gases (oxygen for carbon dioxide)?

a)

capillary

b)

bronchi

c)

alveoli

d)

bronchiole

8.

What is the dome shaped muscle in the respiratory system that helps control breathing by contracting and relaxing?

a)

diaphragm

b)

biceps

c)

trachea

d)

pharynx

9.

On this picture of the respiratory system, what organ is letter A?

a)

Alveoli

b)

Bronchus (Bronchi)

c)

Nose

d)

Pharynx

10.

On this picture of the respiratory system, what organ is letter C?

a)

Alveoli

b)

Bronchus (Bronchi)

c)

Trachea

d)

Lung

11.

Which is the smallest of the 3 blood vessels?

a)

Veins

b)

Arteries

c)

Capillaries

12.
Inhale!!!!
Your lungs are ___________  air
a)
taking in
b)
letting out
13.
EXHALE!!!
My lungs are __________________ air. 
a)
taking in
b)
letting out
14.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/oxygen

d)

nitrogen/oxygen

15.

What is White Blood Cells role in the blood?

a)

They carry oxygen around the body

b)

They help the blood clot

c)

They help fight disease and infection

d)

They help the body build muscles

16.
This system transports oxygen and nutrients around the body.
a)
circulatory
b)
respiratory
c)
skeletal
d)
digestive
17.
What two systems work together to supply the body with oxygen?
a)
respiratory and muscular
b)
respiratory and circulatory
c)
circulatory and digestive
d)
muscular and digestive
18.
What is tube that is also known as your wind pipe?
a)
esophogus
b)
bronchi
c)
trachea
d)
alveoli
19.
This type of muscle tissue is found only in the heart
a)
Skeletal
b)
Cardiac
c)
Smooth
20.

As your physical activity ____________, your heart rate ___________ and your breathing rate _______________

a)

decreases, increases, stays the same

b)

increases, increases, increases

c)

increases, decreases, increases

d)

decreases, stays the same, increases

21.

Which of these is NOT part of the circulatory system?

a)

capillary

b)

vein

c)

artery

d)

trachea

22.
The heart has how many chambers (rooms)?
a)
four
b)
three
c)
two
23.
The right side of the heart sends blood to the 
a)
body
b)
lungs
24.
The left side of the heart sends blood out of the heart to 
a)
your lungs
b)
the rest of your body
25.
There are fewer white blood cells than red blood cells.
a)
true
b)
false
26.
What is the main bone structure that protects the lungs
a)
Vertebrae
b)
Rib cage
c)
Skull
d)
Pelvis
27.
Which is the correct pathway of air into the respiratory system?
a)
nose and mouth, pharynx, trachea, bronchi, bronchioles, alveoli
b)
nose and mouth, bronchi, trachea, pharynx, bronchioles, alveoli
c)
alveoli, bronchioles, bronchi, trachea, pharynx, nose and mouth
d)
pharynx, nose and mouth, bronchioles, bronchi, trachea, alveoli
28.
The process by which air is expelled from the lungs.
a)
Expiration (Exhalation)
b)
Bronchioles
c)
Respiration
d)
Larynx
29.
A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.
a)
asthma 
b)
cold
c)
influenza 
d)

meningitis

30.
Flap of skin that covers the opening to the windpipe during swallowing
a)
Stomach
b)
Trachea
c)
Pancreas
d)
Epiglottis
31.

What is the purpose of hairs inside the nose

a)

Keep your nose warm

b)

Filters the air of any dusts/particles and moisturises the air

c)

Stops mucous coming out

d)

Looks good

32.

What structure is keeping the trachea open?

a)

Rings of Bone

b)

Rings of Muscle

c)

Rings of cartilage

d)

Nothing, it keeps itself open

33.

During inhalation, the intercostal muscles

a)

relax

b)

contract

c)

move up

d)

move down

34.

During exhalation, the ribs move .....

a)

up and down

b)

in and out

c)

down and out

d)

down and in

35.

During inhalation the diaphragm

a)

contracts causing it to move up

b)

contracts causing it to move down

c)

relaxes causing it to move up

d)

relaxes causing it to move down

36.

What gas do we breath out as waste?

a)

Nitrogen

b)

Oxygen

c)

Hydrogen

d)

Carbon Dioxide

37.

What is the process of respiration?

a)

Breathing

b)

The release of energy from food

c)

Inhalation

d)

Oxygen transfer

38.

What separates the right and left sides of the heart?

a)

Aorta

b)

Septum

c)

Valves

d)

Coronary arteries

39.

What is the role of coronary arteries?

a)

Supply oxygen to the muscles

b)

Supply oxygen to the brain

c)

Supply oxygen to the heart

d)

Supply oxygen to the lungs

40.

What is the role of the pulmonary artery?

a)

Carry deoxygenated blood to the heart

b)

Carry oxygenated blood to the body

c)

Carry oxygenated blood to the lungs

d)

Carry deoxygenated blood to the lungs

41.
Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.
a)
aorta
b)
pulmonary artery
c)
inferior vena cava
42.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

43.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
44.

The right side of the heart contains...

a)

Oxygenated Blood

b)

De-oxygenated Blood

c)

Both Oxygenated and De-oxygenated Blood

d)

Water

45.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
46.
Where can matter be found?
a)
Everywhere
b)
On Earth only
c)
In a solid and liquid only
47.
How does the mass of a bowling ball on Earth compare to its mass on the moon?
a)
The mass will be greater on the moon
b)
The mass will be less on the moon
c)
The mass will stay the same
48.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
49.
Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
50.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
51.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

52.

What is a substance made up of only one type of atom?

a)

molecule

b)

compound

c)

element

d)

mixture

53.

What is a compound?

a)

a substance made up of only one type of atom

b)

a substance made up of two or more different elements chemically combined

c)

a substance made up of two or more different substances mingled together but not chemically combined

54.

Which of these is an example of a compound?

a)

oxygen

b)

carbon

c)

water

d)

nitrogen

55.

What is the definition of a mixture?

a)

a substance made up of two or more elements chemically combined

b)

a substance made up of only one type of atom

c)

two or more different substances mingled together but not chemically combined

56.

Which of following are elements?

a)

b only

b)

d only

c)

a and c

d)

b and d

57.

Which of the following are compounds

a)

b only

b)

d only

c)

a and c

d)

a only

58.

Which of the following is a mixture?

a)

c only

b)

d only

c)

b only

d)

b and d

59.

How many different elements are there in CO₂?

a)

1

b)

2

c)

3

60.

Table Salt (NaCl)

a)

element

b)

compound

c)

mixture

61.

What does this illustrate

a)

Elements

b)

Compunds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

62.

If you INCREASE the force applied to a 50 kg crate, what happens to the ACCELERATION of the crate

a)

acceleration increases

b)

acceleration decreases

c)

force increases

d)

this cannot be determined

63.

Two equal forces acting in opposite directions on an object

a)

Inertia

b)

Balanced Force

c)

Push

d)

Unbalanced Force

64.

Forces are measured in:

a)

Inertia

b)

Grams

c)

Tons

d)

Newtons

65.

Force equal mass times _.

(a)  

66.

What will happen to ball moving in a straight line if no other force is applied?

a)

The ball will stop

b)

The ball will move at the same speed on a different path

c)

The ball will move with the same speed on the same path

d)

None of the above

67.

What are examples of tension force?

a)

Kicking a ball

b)

Tug-of-war

c)

Jumping on a trampoline

d)

A falling apple

68.

Which direction does frictional force work on an object?

a)

Opposite to applied force

b)

Downwards

c)

In the direction of applied force

69.

net force

a)

The total of all forces acting on an object

b)

velocity /time. The rate of change in velocity over time.

c)

The property of a moving object that depends on its mass and velocity

d)

The tendency of an object to resist a change in its movement

70.

speed

a)

The speed of an object in a particular direction

b)

distance / time; The rate at which an object moves.

c)

The force applied = the object's mass times the acceleration; F=ma

d)

The constant velocity after which an object stops accelerating

71.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
72.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
73.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
74.
Which of these is NOT a force?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Electrical resistance
75.
In which direction does gravity act?
a)
Downwards
b)
Upwards
c)
In all directions
d)
Towards the centre of the Earth
76.

The more mass an object has, the _______ force it takes to accelerate it.

a)

more

b)

less

77.

Forces that cause a change in motion of an object are called

a)

balanced forces

b)

net forces

c)

motion forces

d)

unbalanced forces

78.

Calculate the net force

a)

25

b)

65

c)

20

d)

15

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