Practice Respiratory System - 14 | 14. Respiratory System | ICSE Class 9 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary function of the respiratory system?

💡 Hint: Think about what we need from the air.

Question 2

Easy

Name a common respiratory disorder.

💡 Hint: Think of a condition that affects breathing.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main organ where gas exchange occurs?

  • Heart
  • Lungs
  • Brain

💡 Hint: Think about where the air we breathe goes.

Question 2

True or False: The diaphragm only moves downward during inhalation.

  • True
  • False

💡 Hint: What happens when you breathe in?

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Evaluate how lifestyle choices, like smoking, can affect respiratory health and lead to disorders such as asthma or chronic bronchitis.

💡 Hint: Consider the impact of harmful substances in smoke.

Question 2

Discuss the physiological consequences of pneumonia on the body’s ability to perform gas exchange.

💡 Hint: Think about the conditions necessary for effective gas exchange.

Challenge and get performance evaluation