| 1 |
Stomata are present in: |
- A. Phloem
- B. Xylem
- C. Endodermis
- D. Epidermis
|
| 2 |
In man the correct passage of air is: |
- A. nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli
- B. nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli
- C. Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,
- D. Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,
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| 3 |
For gaseous exchange the leaf and young stems have in their epidermis: |
- A. Stomata
- B. Lenticels
- C. Companion cell
- D. Guard cells
|
| 4 |
C-Shaped cartilaginous rings are present in the wall of. |
- A. Bronchi
- B. Bronchioles
- C. Alveoli
- D. Trachea
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| 5 |
The muscles of ribs are called; |
- A. Smooth muscles
- B. Cardiac muscles
- C. Intercoastal muscles
- D. Coastal muscles
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| 6 |
A cough, mild wheezing, fever chills and shortness of breath are symptoms of: |
- A. Emphysema
- B. Pneumonia
- C. Bronchitis
- D. Asthma
|
| 7 |
Amount of nitrogen in expired air is: |
- A. 70%
- B. 80%
- C. 79%
- D. 4%
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| 8 |
Which of the following is called voice box? |
- A. Trachea
- B. Larynx
- C. Bronchi
- D. Alveoli
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| 9 |
The uncontrolled cell divisions in lungs tissue is called: |
- A. bronchitis
- B. emphysema
- C. cancer
- D. Asthma
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| 10 |
A thick muscular layer beneath lungs is called: |
- A. Kidney
- B. Diaphragm
- C. Bladder
- D. Ureter
|