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Class 11 Biology Practice Test: Breathing and Exchange of Gases - Human Respiratory System
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Class 11 Biology Practice Test: Breathing and Exchange of Gases - Human Respiratory System
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19 Questions

1. Which of the following part is known as the soundbox of our body system?
2. Trachea, bronchi, and bronchioles are all supported by _______
3. In the trachea _____ ‘C’ shaped cartilagenous rings are present.
4. Which network comprises the lung?
5. Trachea is a straight tube extending up to the ________
6. Hyaline cartilage is not found in_________
7. The common passage for both food and air is called the esophagus.
8. ________ prevents the food from entering into the glottis during swallowing.
9. Diaphragm increases volume of thoracic cavity in _________
10. Which of the following is not part of the human respiratory system?
11. Which of the following is not a characteristic of alveoli?
12. Gaseous exchange occurs in ______
13. At which thoracic vertebrae does the trachea branch?
14. Human lungs are made up of _____
15. Pleura is _______ layered.
16. Where are Bowman’s glands found?
17. Alveoli is derived from the__________
18. Which one of the following is secreted by Pnuemocyte type-II cells?
19. External nostrils → vestibules → nasal chambers → internal nares → naso pharynx → X → larynx → trachea. What is X?

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