| 1 |
How many bronchi are there in the air passageway? |
- A. One
- B. Two
- C. Many
- D. None of these
|
| 2 |
What happens during Exhalation? |
- A. Ribs muscles relax
- B. Diaphragm become dome shaped
- C. Pressure on lungs increased
- D. All of these
|
| 3 |
Where does the gaseous exchange occur in humans: |
- A. Pharynx
- B. Larynx
- C. Trachea
- D. Epiglottis
|
| 4 |
Power of speaking is only gifted to: |
- A. Human being
- B. Monkey
- C. Parrot
- D. Crow
|
| 5 |
C-Shaped cartilaginous rings are present in the wall of. |
- A. Bronchi
- B. Bronchioles
- C. Alveoli
- D. Trachea
|
| 6 |
The respiratory disease that is the destruction of the walls of Alveoli is; |
- A. Asthma
- B. Pneumonia
- C. Emphysema
- D. Bronchitis
|
| 7 |
For gaseous exchange the leaf and young stems have in their epidermis: |
- A. Stomata
- B. Lenticels
- C. Companion cell
- D. Guard cells
|
| 8 |
The uncontrolled cell divisions in lungs tissue is called: |
- A. bronchitis
- B. emphysema
- C. cancer
- D. Asthma
|
| 9 |
Percentage of CO<sub>2</sub> in exhaled are during breathing is: |
- A. 16%
- B. 4%
- C. 79%
- D. 0.04%
|
| 10 |
Where does the gaseous exchange occur in humans? |
- A. Pharynx
- B. Trachea
- C. Bronchi
- D. Alveoli
|