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ICSE · Class 9 · Biology

Class 9 The Respiratory System Mock Test (ICSE)

4 practice questions from The Respiratory System, in the style of your board paper, each with a worked answer and the marks for every step. Then take a full chapter test on paper, snap the pages and get every step marked.

Topics in The Respiratory System

  • Respiratory organs
  • Mechanism of breathing
  • Exchange of gases
  • Lung capacities
  • Respiratory disorders

The Respiratory System practice questions with answers

  1. Q1Multiple choice1 mark
    The exchange of oxygen and carbon dioxide between the alveoli and the surrounding blood capillaries takes place through:
    1. (a)Active transport
    2. (b)Osmosis
    3. (c)Facilitated transport
    4. (d)Simple diffusion
    Show answer and step marks
    1. Correct option: (d)+1
    Answer: (d)
  2. Q2Multiple choice1 mark
    Which of the following structures acts as the primary site for gaseous exchange in the human respiratory system?
    1. (a)Alveoli
    2. (b)Trachea
    3. (c)Pleura
    4. (d)Bronchioles
    Show answer and step marks
    1. Correct option: (a)+1
    Answer: (a)
  3. Q3Multiple choice1 mark
    The maximum volume of air a person can breathe in after a forced expiration is known as:
    1. (a)Vital capacity
    2. (b)Tidal volume
    3. (c)Total lung capacity
    4. (d)Residual volume
    Show answer and step marks
    1. Correct option: (a)+1
    Answer: (a)
  4. Q4Multiple choice1 mark
    Which of the following events occurs during expiration in humans?
    1. (a)The diaphragm contracts and flattens.
    2. (b)The volume of the thoracic cavity increases.
    3. (c)The pressure inside the lungs increases above atmospheric pressure.
    4. (d)The ribs move upward and outward.
    Show answer and step marks
    1. Correct option: (c) The pressure inside the lungs increases above atmospheric pressure.+1
    Answer: (c)

Take a full The Respiratory System test

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  • 15 min10 marks
  • 30 min20 marks
  • 1.5 hr40 marks
  • 3 hr80 marks
See a sample marked answer sheet

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