| 1 |
No. of bronchi in the air passage way are: |
|
| 2 |
Most of the gaseous exchange in a leaf occurs through. |
- A. Stomata
- B. General surface
- C. Cuticle
- D. lenticels
|
| 3 |
Amount of carbon dioxide in inspired air is: |
- A. 16%
- B. 0.04%
- C. 4%
- D. None of these
|
| 4 |
Gaseous Exchange in cow takes in: |
- A. Bronchi
- B. Tranchea
- C. Pharynx
- D. Alveoli
|
| 5 |
In human and other higher animals, the exchange of gases is carried out by: |
- A. Skin
- B. Respiratory
- C. Air passageway
- D. Lungs
|
| 6 |
A disease involving the breakdown of air sacs of the lungs is: |
- A. Bronchitis
- B. emphysemsa
- C. pneumonia
- D. asthma
|
| 7 |
The respiratory disease that is the destruction of the walls of Alveoli is; |
- A. Asthma
- B. Pneumonia
- C. Emphysema
- D. Bronchitis
|
| 8 |
Amount of nitrogen in expired air is: |
- A. 70%
- B. 80%
- C. 79%
- D. 4%
|
| 9 |
In normal condition human respiration rate is: |
- A. 12 to 15 per minute
- B. 15 to 12 per minute
- C. 10 to 12 per minute
- D. 16 to 20 per minute
|
| 10 |
In which of the following gaseous exchange occur through stomata? |
- A. The leaves and young stems
- B. Wood stems and nature roots.
- C. Young roots
- D. The aquatic plants
|
