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WorksheetsWJEC AS Biology Unit 2: Animal Transport
Total questions: 37
Worksheet time: 19mins
Name
Class
Date
1.
What sort of circulatory system do insects have?
a)
Open circulatory system
b)
Closed circulatory system
2.
What sort of circulatory system do earthworms have?
a)
Open circulatory system
b)
Closed circulatory system
3.
What sort of closed circulatory system is this?
a)
Double circulatory system
b)
Single circulatory system
4.
What sort of closed circulatory system is this?
a)
Double circulatory system
b)
Single circulatory system
5.
What structural protein is found in the tunica external?
a)
Collagen
b)
Keratin
c)
Gelatin
d)
Amyloid
6.
Which type of blood vessel contains valves?
a)
Capillary
b)
Artery
c)
Vein
7.
Which valve prevents blood flowing backwards into the left atrium?
a)
Tricuspid valve
b)
Bicuspid valve
c)
Semi lunar valve
8.
Which valve prevents blood flowing backwards into the right atrium?
a)
Tricuspid valve
b)
Bicuspid valve
c)
Semi lunar valve
9.
Which valve prevents blood flowing backwards into the left ventricle?
a)
Tricuspid valve
b)
Bicuspid valve
c)
Semi lunar valve
10.
Which valve prevents blood flowing backwards into the right ventricle?
a)
Tricuspid valve
b)
Bicuspid valve
c)
Semi lunar valve
11.
Which letter is the left ventricle?
a)
A
b)
B
c)
C
d)
D
12.
Which letter is the right atrium?
a)
A
b)
B
c)
C
d)
D
13.
Which letter is the pulmonary vein?
a)
A
b)
B
c)
C
d)
D
14.
Which letter is the pulmonary artery?
a)
A
b)
B
c)
C
d)
D
15.
Which letter is the aorta?
a)
A
b)
B
c)
C
d)
D
16.
Which letter is the vena cava?
a)
A
b)
B
c)
C
d)
D
17.
Which letter shows the opening of the semi lunar valve?
a)
B
b)
C
c)
E
d)
F
18.
Which letter shows the closing of the semi lunar valve?
a)
B
b)
C
c)
E
d)
F
19.
Which letter shows the closing of the bicuspid valve?
a)
B
b)
C
c)
E
d)
F
20.
Which letter shows the opening of the bicuspid valve?
a)
B
b)
C
c)
E
d)
F
21.
Which letter shows blood flowing out of the heart?
a)
D
b)
C
c)
A
d)
B
22.
Which letter shows blood flowing into the left ventricle?
a)
D
b)
C
c)
A
d)
B
23.
Which region of the heart is commonly known as the pacemaker?
a)
Sino-atrial node
b)
Atrio-ventricular node
c)
Bundle of His
24.
Which region of the heart contains Purkinjé tissue?
a)
Sino-atrial node
b)
Atrio-ventricular node
c)
Bundle of His
25.
What is caused by the voltage change generated by the sino-atrial node?
a)
P wave
b)
PR interval
c)
QRS complex
d)
T wave
26.
What represents the time taken for the wave of excitation to travel from the atrioventricular node to the ventricles?
a)
P wave
b)
PR interval
c)
QRS complex
d)
T wave
27.
What is caused by the depolarisation of the ventricles?
a)
P wave
b)
PR interval
c)
QRS complex
d)
T wave
28.
What is caused by the repolarisation of the ventricles?
a)
P wave
b)
PR interval
c)
QRS complex
d)
T wave
29.
How many molecules of oxygen can a haemoglobin molecule carry?
a)
2
b)
4
c)
8
d)
16
30.
What is the advantage of the sigmoid oxygen dissociation curve at low oxygen tensions?
a)
A small change in oxygen tension leads to rapid loading / unloading of oxygen
b)
A large change in oxygen tension leads to rapid loading / unloading of oxygen
c)
The haemoglobin can be fully loaded with oxygen in the lungs
d)
The haemoglobin can fully unload its oxygen in the tissues
31.
What is the advantage of the sigmoid oxygen dissociation curve at high oxygen tensions?
a)
A small change in oxygen tension leads to rapid loading / unloading of oxygen
b)
A large change in oxygen tension leads to rapid loading / unloading of oxygen
c)
The haemoglobin can be fully loaded with oxygen in the lungs
d)
The haemoglobin can fully unload its oxygen in the tissues
32.
What causes a shift to the right of oxygen dissociation curves?
a)
Increased carbon dioxide levels
b)
Decreased carbon dioxide levels
33.
Why does llama haemoglobin have a higher affinity for oxygen?
a)
It allows the haemoglobin to fully load up with oxygen at altitude
b)
It allows haemoglobin to unload its oxygen at altitude
34.
Decreasing the affinity of haemoglobin for oxygen...
a)
Shifts the curve to the right
b)
Shifts the curve to the left
35.
Foetal haemoglobin has...
a)
A higher affinity for oxygen than maternal haemoglobin
b)
A lower affinity for oxygen than maternal haemoglobin
36.
How is most carbon dioxide transported to the lungs?
a)
In plasma as hydrogencarbonate ions
b)
Dissolved in plasma
c)
In red blood cells as carbonic acid
d)
In red blood cells as hydrogencarbonate ions
37.
What is the best description of blood at the arteriole end of a capillary bed?
a)
High hydrostatic pressure, low osmotic pressure
b)
Low hydrostatic pressure, low osmotic pressure
c)
Low hydrostatic pressure, high osmotic pressure
d)
High hydrostatic pressure, high osmotic pressure
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