The Respiratory System – Higher Difficulty Problems chapter is designed to challenge students with concept-intensive, multi-step, and analytical questions commonly faced in high-rank NEET preparation and undergraduate examinations. This section focuses on deep conceptual integration, numerical reasoning, and clinical interpretation, going beyond basic NCERT recall.
In this chapter, you will work through:
Advanced numerical problems on lung volumes, capacities, alveolar ventilation, and respiratory rates
Graph-based and data-interpretation questions involving oxygen dissociation curves, CO₂ transport, and spirometry
Multi-concept problems integrating breathing mechanics, gas exchange, and regulation of respiration
Case-linked high-difficulty questions on hypoxia types, acid–base imbalance, and respiratory disorders
Comparative analytical problems – obstructive vs restrictive lung diseases, altitude adaptation vs exercise response
Assertion–reason and statement-analysis questions with close NCERT alignment
Previous-year NEET (hard) and UG-level questions, with step-by-step solutions and examiner tips
The content is structured to sharpen analytical thinking, improve calculation accuracy, and train students to handle complex exam scenarios under time pressure.
Develop exam-ready problem-solving mastery of the Respiratory System by practicing these higher-difficulty questions, essential for securing top ranks in NEET and undergraduate entrance examinations.
Q. What is the primary function of the epiglottis?
A.
To filter air
B.
To produce sound
C.
To prevent food from entering the trachea
D.
To facilitate gas exchange
Solution
The epiglottis is a flap that covers the trachea during swallowing, preventing food and liquids from entering the airway.
Correct Answer:
C
— To prevent food from entering the trachea
