Biology Practice: The Respiratory System (Mock Test 5 - Knowledge Application)
1. In the yeast and sugar solution experiment, why does the lime water turn milky?
2. Which of the following is a direct result of the 'incomplete' breakdown of sugar?
3. What physical change occurs in the chest cavity to force air OUT of the lungs?
4. Why do we feel a 'burning sensation' in muscles during a fast sprint?
5. Which part of the respiratory system is guarded by the epiglottis?
6. The percentage of Carbon Dioxide in Expired air is how many times greater than in Inspired air?
7. In the bottle model experiment, the balloons represent which organ?
8. Which of these correctly describes the 'Gaseous Transport' phase?
9. Which respiratory disease causes weight loss and is treated with Streptomycin?
10. We lose about ________ litre of water daily through the process of breathing.
11. Which structure in the pharynx helps in removing impurities from the air?
12. During inhalation, the space in the chest cavity increases. This causes the internal air pressure to:
13. Which of the following is an example of an organism that primarily uses anaerobic respiration?
14. What is the composition of Nitrogen in Expired air?
15. Why is it dangerous to have food particles enter the trachea?
16. The left lung contains how many lobes?
17. Which component of air is variably present in Inspired air but 'little, if any' in Expired air?
18. Inflammation and swelling in airways causing 'wheezing' is a symptom of:
19. In the chemical formula for aerobic respiration, glucose + oxygen gives Carbon dioxide + ________ + Energy.
20. Which of these acts as the 'Voice Box' where true vocal cords are located?