Junior Cert Science - Biology - The Respiratory System
Multiple Choice Quiz
Complete the following multiple choice quiz. Each time you take the quiz, you will be asked a different set of 20 questions.
You have 15 minutes to complete this quiz. Best of luck!
The release of energy from food is known as
respiration
digestion
photosynthesis
conservation
Which one of the following gases is required for respiration?
Oxygen
Nitrogen
Carbon dioxide
Methane
Which one of the following equations best describes aerobic respiration?
glucose + oxygen => carbon dioxide + water vapour + energy
glucose + carbon dioxide => oxygen + water vapour + energy
carbon dioxide + oxygen => water vapour + glucose + energy
energy + oxygen => carbon dioxide + water vapour + glucose
The test for carbon dioxide gas is that
it turns limewater milky
it extinguishes a lighting match
it turns cobolt chloride paper red/pink
it relights a glowing splint
Which one of the following statements is NOT correct for anaerobic respiration?
Anaerobic respiration always involves the presence of oxygen
Anaerobic respiration occurs when yeast converts sugar to alcohol during fermentation
Anaerobic respiration occurs when milk is caused to go sour by the action of bacteria
Anaerobic respiration does not use oxygen to release energy from food
Which product of respiration causes cobalt chloride paper to change colour from blue to pink?
water vapour
carbon dioxide
oxygen
nitrogen
Another name for the breathing system is the
respiratory system
circulatory system
digestive system
Nervous system
Name the parts labelled in the diagram
A = trachea, B = bronchiole
A = alveolus, B = bronchiole
A = trachea, B = bronchus
A = bronchiole, B = trachea
Which one of the following is NOT a function of the nose?
To exchange gases
It traps dust particles
It warms air entering the nose
It traps bacteria
Where in the respiratory system would you find rings of cartilage?
trachea
nose
alveoli
diaphragm
The name of the tiny air sacs in the lungs where gas exchange takes place is
alveoli
bronchi
bronchioles
intercostal muscles
The average percentage of oxygen in inhaled air is 21%. Which one of the following is the most likely percentage of oxygen in exhaled air?
16%
21%
0%
25%
The muscle labelled X in the diagram is known as the
diaphragm
intercostal muscle
biceps
triceps
Which one of the following labelled parts in the diagram is known as the intercostal muscle?
C
B
A
D
Which one of the following effects is NOT associated with smoking?
Decreased risk of acquiring pneumonia and bronchitis.
Increased risk of lung cancer.
Decreased ability of the blood to transport oxygen.
Increased risk of developing 'smokers cough'.
Gas exchange in the lungs iof humans takes place between the walls of the
alveoli
bronchi
trachea
bronchioles
While humans exhale, air goes from the bronchus into the
trachea
bronchioles
alveoli
nostrils
The part of the respiratory system labelled Y in the diagram is the
bronchus
bronchiole
alveolus
wind-pipe
Air that was breathed out by a human was analysed for the gases present. Which of the following is most likely to be the result of the analysis?
78% nitrogen, 16% oxygen, 4% carbon dioxide and 2% water vapour
78% nitrogen, 21% oxygen, 0.5% carbon dioxide and 0.5% water vapour
80% nitrogen, 60% oxygen, 4% carbon dioxide and 6% water vapour
70% nitrogen, 20% oxygen, 0.5% carbon dioxide and 9.5% water vapour
Regarding respiration, which one of the following statements is INCORRECT?
Tobacco smoke entering the lungs does not irritate asthmatics
Dust particles entering the alveoli can cause damage to the lungs
Asthma may be caused by second-hand smoke and air pollutants entering the lungs
Gas exchange in the lungs is made more efficient by the large number of alveoli
What type of blood vessel surrounds the alveoli?
capillaries
veins
arteries
nerve endings
Air travels to the lungs through
the mouth and nose
the oesophagus and the arteries
the wind-pipe and skin
the nose and veins
The function of hair in the nose is
to help fight infection
to cause us to sneeze
to keep water out of the lungs
to help gas exchange in the lungs
Another name for the wind-pipe is the
trachea
larynx
oesophagus
lung
Which one of the following takes place in the lungs?
Gas exchange takes place.
Waste material is filtered from the blood.
Food is digested.
Food is stored.
Air contains nitrogen. What happens to the nitrogen in inhaled air?
Its exhaled again without anything happening to it.
Its changed into nitrogen oxide
It circulates through our bloodstream
Its absorbed into the digestive system and aids digestion
Which one of the following protects the lungs?
rib cage
diaphragm
alveoli
trachea
The bronchi are connected to the alveoli via
bronchioles
the trachea
air sacs
capillaries
Which one of the following is NOT a function of the nose?
To exchange gases
To warm incoming air
To moisten incoming air
To filter incoming air
Which of the following is the correct order for air passing through the lungs?
trachea, bronchus, bronchiole, alveoli
bronchus, trachea, bronchioles, alveoli
trachea, alveoli, bronchi, bronchioles
bronchus, alveoli, trachea, bronchioles
Which one of the following factors would you expect to control the breathing rate in a human?
The amount of red blood cells in the blood
The amount of carbon dioxide in the blood
The amount of white blood cells in the blood
The amount of food being carried in the blood
Which one of the folowing pairs of items are both necessary for respiration to take place?
glucose and oxygen
glucose and carbon dioxide
sunlight and carbon dioxide
glucose and sunlight
Inhaled air contains
more carbon dioxide than exhaled air
less oxygen than exhaled air
more nitrogen than exhaled air
less nitrogen than exhaled air
When the air passages leading to the lungs contract and become narrower in size, this condition is known as
asthma
the flu
lung cancer
bronchitis
What happens to your lungs when you breath in?
They expand
They push up the diaphragm
They absorb carbon dioxide
They manufacture glucose
Which one of the following is NOT a disease of the respiratory system?
chicken pox
pneumonia
cancer
asthma
This stops food from going down into the lungs
epiglottis
trachea
bronchiole
nose
When we breath in
the intercostal muscles move up and the diaphragm moves down
the intercostal muscles move down and the diaphragm moves up
the intercostal muscles move up and the diaphragm moves up
the intercostal muscles move down and the diaphragm moves down
At rest, the average breathing rate of a human is
60
5
15
100
Which one of the following is NOT part of the breathing system?
pancreas
trachea
nose
bronchus
When would a human body be most likely to respire anaerobically?
When running a marathon
When watching TV
When asleep
When eating
Name the parts labelled in the diagram
C = larynx, D = bronchus
C = alveolus, D = larynx
C = trachea, D = alveolus
C = larynx, D = trachea
The muscle labelled Z in the diagram is known as the
