Curriculum
Course: HIA International — Grade 7
time left:
:
:
Login

Curriculum

HIA International — Grade 7

Unit 1: Breathing and respiration

0/27

Unit 2: Dissolving, solubility and chromatography

0/22

Unit 3: Forces, motion and pressure

0/37

Unit 4: Ecosystems

0/22

Unit 5: Atoms, purity and climate

0/27

Unit 6: Light and objects in space

0/33

Unit 7: Nutrition, health and movement

0/22

Unit 8: Energy changes and reactions of metals

0/39

Unit 9: Magnetism and electromagnets

0/22
Quiz

Gas exchange – Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit

Gas exchange HIA Science quiz: free practice for HIA International. Work through this Gas exchange HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 10.2 Gas exchange – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Which statement correctly describes alveolus?
the substance in red blood cells that oxygen combines with
another name for an air sac in the lung
the blood cell that carries oxygen, using haemoglobin
a very tiny blood vessel, here wrapped tightly around an air sac
2.
Which statement correctly describes gas exchange?
another name for an air sac in the lung
the liquid part of the blood surrounding the blood cells
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
the substance in red blood cells that oxygen combines with
3.
Which statement correctly describes capillary?
the blood cell that carries oxygen, using haemoglobin
the liquid part of the blood surrounding the blood cells
a very tiny blood vessel, here wrapped tightly around an air sac
another name for an air sac in the lung
4.
Which statement correctly describes diffusion?
another name for an air sac in the lung
the movement of particles from where there are many of them to where there are fewer
a very tiny blood vessel, here wrapped tightly around an air sac
the substance in red blood cells that oxygen combines with
5.
Match the term to its correct meaning: haemoglobin
the movement of particles from where there are many of them to where there are fewer
the substance in red blood cells that oxygen combines with
a very tiny blood vessel, here wrapped tightly around an air sac
the blood cell that carries oxygen, using haemoglobin
6.
Which term is described as: the blood cell that carries oxygen, using haemoglobin?
haemoglobin
diffusion
red blood cell
blood plasma
7.
Match the term to its correct meaning: capillary
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
a very tiny blood vessel, here wrapped tightly around an air sac
the movement of particles from where there are many of them to where there are fewer
the substance in red blood cells that oxygen combines with
8.
Which term is described as: oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air?
gas exchange
alveolus
capillary
haemoglobin
9.
Match the term to its correct meaning: blood plasma
the substance in red blood cells that oxygen combines with
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
the liquid part of the blood surrounding the blood cells
a very tiny blood vessel, here wrapped tightly around an air sac
10.
Match the term to its correct meaning: diffusion
the substance in red blood cells that oxygen combines with
the liquid part of the blood surrounding the blood cells
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
the movement of particles from where there are many of them to where there are fewer
11.
Which term is described as: a very tiny blood vessel, here wrapped tightly around an air sac?
capillary
alveolus
diffusion
gas exchange
12.
Which term is described as: the movement of particles from where there are many of them to where there are fewer?
capillary
gas exchange
diffusion
haemoglobin
13.
Match the term to its correct meaning: red blood cell
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
the liquid part of the blood surrounding the blood cells
another name for an air sac in the lung
the blood cell that carries oxygen, using haemoglobin
14.
Match the term to its correct meaning: alveolus
the blood cell that carries oxygen, using haemoglobin
another name for an air sac in the lung
the liquid part of the blood surrounding the blood cells
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
15.
Which term is described as: the liquid part of the blood surrounding the blood cells?
alveolus
blood plasma
diffusion
capillary
16.
Match the term to its correct meaning: gas exchange
oxygen passing from the air into the blood while carbon dioxide passes from the blood into the air
the blood cell that carries oxygen, using haemoglobin
the movement of particles from where there are many of them to where there are fewer
another name for an air sac in the lung
17.
Which term is described as: another name for an air sac in the lung?
alveolus
red blood cell
haemoglobin
gas exchange
18.
The very tiny blood vessels wrapped around the air sacs are called _____.
bronchioles
arteries
capillaries
neurones
19.
Another name for an air sac is an _____.
alveoli wall
atrium
artery
alveolus
20.
The movement of particles from where there are many to where there are fewer is called _____.
breathing
respiration
dissolving
diffusion
21.
The wall of an air sac is made of _____ layer of cells.
twenty
four
one
ten
22.
Inside a red blood cell, oxygen combines with _____.
chlorophyll
plasma
glucose
haemoglobin
23.
Oxygen entering the blood and carbon dioxide leaving it is called gas _____.
diffusion
transport
exchange
pressure
24.
The wall of an air sac is made of one layer of very thin cells. - True or false?
True
False
25.
Seen through a powerful microscope, the lungs are solid tissue. - True or false?
True
False
26.
A blood capillary is pressed tightly against the outside of each alveolus. - True or false?
True
False
27.
In diffusion, particles move from where there are few of them to where there are more. - True or false?
True
False
28.
When oxygen gets into the blood it stays as bubbles in the plasma. - True or false?
True
False
29.
Air sacs are also called alveoli. - True or false?
True
False
30.
Gas exchange happens in the air sacs of the lungs. - True or false?
True
False
31.
The particles in a gas are far apart and move freely. - True or false?
True
False
32.
Blood arriving at the lungs from the body contains little oxygen and a lot of carbon dioxide. - True or false?
True
False
33.
Seen through a powerful microscope, the lungs are mostly holes. - True or false?
True
False
34.
Oxygen is pumped into the blood by the heart. - True or false?
True
False
35.
In gas exchange, oxygen goes from the blood into the air. - True or false?
True
False
36.
In diffusion, particles move from where there are a lot of them to where there are fewer. - True or false?
True
False
37.
Oxygen moves into the blood by diffusion. - True or false?
True
False
38.
There are only two very thin cells between the air in the alveolus and the blood. - True or false?
True
False
39.
There are about twenty cells between the air in the alveolus and the blood. - True or false?
True
False
40.
Air breathed in from outside contains a lot of oxygen and only a small amount of carbon dioxide. - True or false?
True
False
41.
Blood arriving at the lungs from the body contains a lot of oxygen and little carbon dioxide. - True or false?
True
False
42.
Air sacs are also called bronchioles. - True or false?
True
False
43.
In gas exchange, oxygen goes from the air into the blood. - True or false?
True
False
44.
In gas exchange, carbon dioxide goes from the blood into the air. - True or false?
True
False
45.
When oxygen gets into the blood it dissolves and combines with haemoglobin in the red blood cells. - True or false?
True
False
46.
The wall of an air sac is made of several thick layers of cells. - True or false?
True
False
47.
The particles in a gas are touching each other and vibrate on the spot. - True or false?
True
False
48.
Air breathed in from outside contains a lot of carbon dioxide and only a small amount of oxygen. - True or false?
True
False
49.
In gas exchange, carbon dioxide goes from the air into the blood. - True or false?
True
False
50.
A blood capillary is separated from each alveolus by a thick layer of muscle. - True or false?
True
False
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Unit 1: Breathing and respiration — see every lesson and quiz in this unit.
Accepted payment methods