General Science & Healthcare•Updated for 2026 Competitive Exams
Respiratory System MCQS with Answers
Practice top multiple choice questions (MCQs), topic summary, and verified answers for Respiratory System MCQS with Answers. Essential for Central & State competitive examinations. Solve these high-frequency practice questions with step-by-step solutions to evaluate your preparation level.
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Practice Questions & Explanations (10 Questions)
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Q1SSC / NEETMedium
The primary organ of the human respiratory system is the:
Q2SSC / NEETMedium
The tiny air sacs in the lungs where gas exchange occurs are called:
Q3SSC / NEETMedium
Which muscle plays the most vital role in the process of breathing (ventilation)?
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Q4SSC / NEETMedium
The 'windpipe' is scientifically known as the:
Q5SSC / NEETMedium
Which flap of cartilage prevents food from entering the windpipe when you swallow?
Q6SSC / NEETMedium
The process of taking air into the lungs is called:
Q7SSC / NEETMedium
Which gas is a waste product of cellular respiration and is exhaled from the lungs?
Q8SSC / NEETMedium
What is the name of the membrane that encloses and protects the lungs?
Q9SSC / NEETMedium
Asthma is a respiratory condition primarily characterized by:
Q10SSC / NEETMedium
The normal respiratory rate for a resting adult is approximately:
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