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Class 11 Biology: Breathing and Exchange of Gases
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MCQs on animals respiration, human respiratory system, breathing mechanism, respiratory system disorders, gases exchange and transport.

Class 11 Biology: Breathing and Exchange of Gases
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25 Questions

1. Where are Bowman's glands found?
2. Which of the following diseases can be found in workers working in a mill?
3. Strength of inspiration and expiration can be increased with the help of_______
4. How the majority of oxygen gets transported?
5. Time taken in breathing _______
6. Which one of the following is secreted by Pnuemocyte type-II cells?
7. Pneumotaxic centre is located in ________
8. What is the concentration of oxygen in expired air?
9. Partial pressure of oxygen in alveolar air is ________
10. What happens to RBC of human blood at high altitude?
11. Formation of oxyhaemoglobin is a/an ________
12. Hyaline cartilage is not found in_________
13. What is the shape of Haemoglobin-oxygen dissociation curve?
14. Solubility of carbon dioxide is ________ than oxygen.
15. Where is the respiratory rhythm center is located?
16. In which respiratory part does the diffusion of gas take place?
17. Decrease in thoracic volume is marked by________
18. Low oxygen supply to tissues is scientifically known as ________
19. Which of the following organisms undergo respiration through diffusion?
20. Which instrument is used for measuring volume of air involved in breathing?
21. Which of the following is passive process?
22. Inspiration occurs when there is ___________
23. Suffocation is caused due to_______
24. Which of the following is not part of the human respiratory system?
25. The respiration mechanism of an organism mainly depends on which of the following?

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