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Biology Revision

Total questions: 49

Worksheet time: 28mins

Name
Class
Date
1.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

2.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

3.

Which of the following is NOT a type of blood vessel?

a)

Artery

b)

Capillary

c)

Vein

d)

Ventricle

4.

What is the function (job) of the platelets?

a)

To form clots (i.e. scabs) when you have cuts and grazes.

b)

To transport oxygen to the muscles

c)

To carry dissolved sugars.

d)

To produce antibodies

5.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To release antibodies to help destroy infections.

6.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.

7.

What is the function (job) of the red blood cells?

a)

To transport oxygen around the body and to the muscles.

b)

To release antibodies to fight infections.

c)

To carry dissolved nutrients and sugars.

d)

To clot and form scabs if there is a wound on the body.

8.

Which blood vessels take blood TO the heart?

a)

Veins

b)

Arteries

c)

Capillaries

9.

Which blood vessels take blood AWAY from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

10.

Which is the smallest of the 3 blood vessels?

a)

Veins

b)

Arteries

c)

Capillaries

11.

What type of blood do the arteries usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

12.

Which blood vessel has valves to prevent the back-flow of blood?

a)

Veins

b)

Arteries

c)

Capillaries

13.

The thickest and strongest blood vessel is the

a)

vein

b)

artery

c)

capillary

d)

both veins and capillaries

14.

The blood vessel that has the largest diameter is

a)

vein

b)

artery

c)

capillary

15.
I have a large lumen, I have thin muscular walls, I pump blood towards the heart
a)
Artery
b)
Vein
c)
Capillary
d)
Arteriole
16.
I have muscular walls, and a small lumen.  Pump blood away from the heart
a)
Artery
b)
Vein
c)
Capillary
d)
Arteriole
17.
What is the space between the structure of a blood vessel?
a)
Artery
b)
Lumen
c)
Gap
d)
Loomen
18.
A system of the body which pumps blood too and from the lungs to become oxygenated. 
a)
Systemic
b)
Pulmonary 
19.
What is Haemoglobin?
a)
Iron rich protein that transports oxygen in the blood cells. 
b)
Blood Cells
c)
Blood Vessels
d)
A type of Capillary
20.
Which is the largest artery in the body?
a)
Aorta 
b)
Superior Vena Cava
21.
Thin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungs
a)
Arteries
b)
Veins
c)
Capillaries
22.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
23.

What are the three main components of the circulatory system?

a)

brain, lungs, heart

b)

blood, brain, lungs

c)

blood vessels, stomach, heart

d)

heart, blood, blood vessels

24.

Which type of blood vessel has thinner walls?

a)

artery

b)

vein

25.

Your heart is an involuntary muscle that is always working.

a)

True

b)

False

26.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

27.

Blood clots can cause a heart attack

a)

True

b)

False

28.

The pulmonary artery is the artery that carries the blood to your heart from your lungs.

a)

True

b)

False

29.
Build up of plaque causing the narrowing of the walls of the arteries of the heart. 
a)
Atherosclerosis
b)
Arrhythmia
c)
Stroke
30.

Which is NOT a function of the blood

a)

Transports blood cells

b)

Breaks down urea

c)

Carries carbon dioxide to the lungs

d)

Carries soluble products of digestion

31.
Which number is the vena cava?
a)
1
b)
2
c)
3
d)
8
32.
Which number is the pulmonary artery?
a)
4
b)
5
c)
6
d)
8
33.
Where is the blood in 3 coming from?
a)
All over the body
b)
The upper half of the body, head and arms
c)
The lower half of the body, legs and abdomen
d)
The lungs
34.

Which part of the digestive system had a low pH to help the enzymes with low optimum pH level

a)

Mouth

b)

Large Intesine

c)

Small Intestine

d)

Stomach

35.

Which one of these statements about enzymes isn't true.

a)

The active site on the enzyme has a specfic shape to only fit one substrate.

b)

When the temperature around the enzyme is above it's optimum temperature, the enzyme will start to denature.

c)

Enzymes can speed up reactions. Examples can be breaking down molecules, or putting molecules together.

d)

When a enzyme is in a pH that is not in it's optimum pH range, it will die.

e)

Denaturing is when the enzyme, and it's active site, change shape.

36.

Cornary heart disease (CHD) is when arteries on the heart become blocked with fatty deposits. What isn't a signifcant factor that increases the chance CHD.

a)

Blood Chloesterol Levels

b)

Genetics

c)

Diet and Exercise

d)

Testerone Levels

37.

What treatment for Coronary Heart Disease does this picture show?

a)

Stent

b)

Statin

c)

Heart Transplant

d)

By-Pass

38.

Protease breaks down (a)   molecules.

39.

Lipase breaks down (a)   molecules.

40.

Amylase breaks down (a)   molecules.

41.
The area that the substrate fits into on the enzyme is called the:
a)
Active Site
b)
Allosteric Site
c)
DiSulphide Bridge
d)
β-Pleated Sheet
42.
Saliva contains this enzyme to start the digestive process of carbohydrates.
a)
spit
b)
amylase
c)
hydrochloric acid
d)
sodium bicarbonate
43.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
44.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
45.

What are the products of aerobic respiration?

a)

glucose and carbon dioxide

b)

glucose and water

c)

carbon dioxide and water

d)

oxygen and water

46.

Where in the body does respiration occur?

a)

In the heart

b)

In all living cells

c)

In the muscles

d)

In the lungs

47.

Which of the following is NOT a use of the energy released in respiration

a)

breaking down large molecules into smaller ones

b)

muscle contraction

c)

active transport

d)

maintaining a steady body temperature

48.

True or false: cells need oxygen to release large amounts of energy

a)

True

b)

False

49.
which kind of cells would have the most mitochondria?
a)
brain cells
b)
bone cells
c)
plant cells
d)
muscle cells

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