Biology·MCQ Practice

Human Respiratory System — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

Explore This Topic

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

Which of the following statements about the transport of gases in human blood is correct?

Q2easy

During inspiration, the diaphragm contracts and flattens. What is the immediate consequence of this action?

Q3medium

The partial pressure of oxygen ( $P_{O_2}$ ) in the alveolar air is approximately:

Q4medium

Which of the following conditions would cause a 'right shift' in the oxyhemoglobin dissociation curve?

Q5easy

Which of the following structures is responsible for preventing the collapse of the trachea?

Q6medium

Which of the following statements correctly describes the 'chloride shift' during carbon dioxide transport?