GCSE Biology Revision Quizzes: The Lungs

Study the diagram below and then answer the questions.

(1) Feature A on the above diagram is:

the alveoli
 the ribs
 the trachea
 the bronchus
(2) Feature B on the above diagram is:
the diaphragm
 the bronchus
 the ribs
 the alveoli
(3) Feature C on the above diagram is:
the ribs
 the trachea
 the diaphragm
 the bronchus
(4) What is the movement of air into and out of the lungs called?
breathing
 respiration
 ventilation
 gas exchange
(5) Inhaled air contains:
0.10% carbon dioxide
 0.50% carbon dioxide
 0.03% carbon dioxide
 0.30% carbon dioxide
(6) The trachea branches into:
the ribs
 the bronchi
 the bronchioles
 the alveoli
(7) Which gases are exchanged at the alveoli?
oxygen and carbon dioxide
 oxygen and nitrogen
 carbon dioxide and nitrogen
 nitrogen and hydrogen
(8) Which of these factors are important for gas exchange?
small alveoli
 thick walled alveoli
 large alveoli
 thin walled alveoli
(9) Which part of blood carries the carbon dioxide gas?
red blood cells
 blood plasma
 white blood cells
(10) Which describes what happens when we breathe in?

the diaphragm pulls down and the intercostal muscles relax
 the diaphragm and the intercostal muscles relax
 the diaphragm pulls down and the intercostal muscles contract
 the diaphragm rises and the intercostal muscles contracts

Your score is: out of 10

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