| 1 |
All the alveoli of one side unite to form: |
- A. Lung
- B. Kidney
- C. Thorax
- D. Chest Box
|
| 2 |
For gaseous exchange the leaf and young stems have in their epidermis: |
- A. Stomata
- B. Lenticels
- C. Companion cell
- D. Guard cells
|
| 3 |
Which kind of blood vessels are present around the alveoli? |
- A. Artery
- B. Capillary
- C. Arteriole
- D. Veins
|
| 4 |
Cutting of walls of Alveoli called: |
- A. Pneumonia
- B. Emphysema
- C. Bronchtis
- D. Asthama
|
| 5 |
What happens during Exhalation? |
- A. Ribs muscles relax
- B. Diaphragm become dome shaped
- C. Pressure on lungs increased
- D. All of these
|
| 6 |
How many bronchi are there in the air passageway? |
- A. One
- B. Two
- C. Many
- D. None of these
|
| 7 |
In wood seems and roots the gaseous: |
- A. lenticels
- B. epidermal cells
- C. somata
- D. micropyle
|
| 8 |
Which structure actively helps in taking the air out of lungs? |
- A. Nasal cavity
- B. Bronchus
- C. Bronchiole
- D. Diaphragm
|
| 9 |
A cough, mild wheezing, fever chills and shortness of breath are symptoms of: |
- A. Emphysema
- B. Pneumonia
- C. Bronchitis
- D. Asthma
|
| 10 |
Where does the gaseous exchange occur in humans: |
- A. Pharynx
- B. Larynx
- C. Trachea
- D. Epiglottis
|
