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Breathing โ€“ Gas Exchange, Transport of Gases, Respiratory Disorders

Biology ยท Grade 11 ยท Week 43 ยท 25 questions

In Grade 11 biology, Breathing explores Gas Exchange, Transport of Gases, and Respiratory Disorders. Mastering this now makes later chapters on plant/animal physiology, genetics, and ecology much smoother.

What you'll practise

  • Describe Gas Exchange
  • Identify Transport of Gases
  • Compare Respiratory Disorders
  • Apply breathing concepts to NCERT exercise and exemplar problems
All 25 questions in this Breathing โ€“ Gas Exchange, Transport of Gases, Respiratory Disorders quiz

Grade 11 Biology โ€” Breathing โ€“ Gas Exchange, Transport of Gases, Respiratory Disorders: 25 practice questions with instant scoring and explanations.

  1. Partial pressure of O2 in atmosphere is about
  2. Partial pressure of O2 in alveoli is approximately
  3. Partial pressure of CO2 in alveoli is approximately
  4. Gas exchange at alveoli occurs by
  5. Solubility of CO2 compared to O2 is
  6. Oxygen in blood is mainly transported as
  7. Each hemoglobin molecule can carry up to
  8. Oxygen-hemoglobin dissociation curve is
  9. Bohr effect refers to reduced O2 affinity of Hb at
  10. Fetal hemoglobin compared to adult has
  11. CO2 in blood is mainly transported as
  12. Carbonic anhydrase is present in
  13. Chloride shift (Hamburger's phenomenon) involves exchange of
  14. Carbon monoxide poisoning occurs because CO binds Hb
  15. Asthma is characterized by
  16. Emphysema involves damage to
  17. Common cause of emphysema is
  18. Occupational respiratory disorder from silica dust is
  19. Asbestosis is caused by inhalation of
  20. Bronchitis is inflammation of
  21. Tuberculosis is caused by
  22. Pneumonia is primarily an infection of
  23. High altitude acclimatization involves
  24. Hypoxia means
  25. Hiccup is a reflex involving sudden contraction of
Question 1 of 250 correct so far

Partial pressure of O2 in atmosphere is about