NEET Biology: Breathing and Exchange of Gases — MCQ Test 4

Q6. Which of the following best describes the function of the epiglottis?

Q7. Which of the following statements about respiratory volumes is incorrect?

Q8. Which lung volume represents the maximum amount of air a person can breathe in after a forced expiration?

Q9. Which of the following statements about CO₂ transport is incorrect?

Q10. Which respiratory disorder is characterized by the destruction of alveolar walls, reducing surface area for gas exchange?

NEET Biology — Breathing and Exchange of Gases

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What is the normal partial pressure of oxygen (pO₂) in oxygenated blood?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Breathing and Exchange of Gases. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Pressure, Oxygenated, Following, Statements, Regarding, and Respiratory.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What is the normal partial pressure of oxygen (pO₂) in oxygenated blood?

  • A. 159 mmHg
  • B. 104 mmHg
  • C. 95 mmHg
  • D. 40 mmHg

Q2. Which of the following statements regarding respiratory control is correct?

  • A. The medulla oblongata contains the respiratory rhythm center.
  • B. The pneumotaxic center inhibits inspiration by prolonging inhalation.
  • C. Chemoreceptors detect only oxygen levels in the blood.
  • D. Respiratory rate remains constant regardless of CO₂ concentration.

Q3. Which of the following statements about oxygen transport is correct?

  • A. Most oxygen is carried as bicarbonate ions.
  • B. Oxygen is primarily transported bound to hemoglobin.
  • C. All oxygen in the blood is dissolved in plasma.
  • D. Oxygen transport is not influenced by partial pressure gradients.

Q4. Which part of the respiratory system is commonly known as the "voice box"?

  • A. Larynx
  • B. Pharynx
  • C. Trachea
  • D. Bronchi

Q5. Which of the following is NOT a step in the process of respiration?

  • A. Pulmonary ventilation
  • B. Diffusion of gases
  • C. Gas transport
  • D. Protein synthesis

+ 5 more questions in the actual test

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• Anatomy Of Flowering Plants• Animal Kingdom• Biodiversity And Its Conservation• Biological Classification• Biomolecules• Biotechnology And Its Applications• Biotechnology Principles And Processes• Body Fluids And Circulation• Breathing And Exchange Of Gases• Cell Cycle And Cell Division• Cell The Unit Of Life• Chemical Coordination And Integration• Ecosystem• Evolution• Excretory Products And Their Elimination• Human Health And Diseases• Human Reproduction• Locomotion And Movement• Microbes In Human Welfare• Molecular Basis Of Inheritance• Morphology Of Flowering Plants• Neural Control And Coordination• Organisms And Population• Photosynthesis• Plant Growth And Development• Plant Kingdom• Principles Of Inheritance And Variation• Reproductive Health• Respiration In Plants• Sexual Reproduction In Flowering Plants• Structural Organisation In Animals• The Living World

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