| 1 |
The uncontrolled cell divisions in lungs tissue is called: |
- A. bronchitis
- B. emphysema
- C. cancer
- D. Asthma
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| 2 |
During exercise or other hard physical works the breathing rate may increase up to. |
- A. 30-40 times per minute
- B. 50-60 times per minute
- C. 60-70 times per minute
- D. 70-80 times per minute
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| 3 |
The normal breathing rate in buman being is: |
- A. 10-40 times per minute
- B. 16-20 times per minute
- C. 30-40 times per minute
- D. None of these
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| 4 |
Gaseous Exchange in cow takes in: |
- A. Bronchi
- B. Tranchea
- C. Pharynx
- D. Alveoli
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| 5 |
Which gas us absorbed through stomata of plant during night? |
- A. Carbon dioxide
- B. Oxygen
- C. Nitrigen
- D. Hydrogen
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| 6 |
Smoking may also lead to the cancers in: |
- A. Kidneys and pancreas
- B. Oral cavity and larynx
- C. Breast and bladder
- D. All of them
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| 7 |
Where does the gaseous exchange occur in humans: |
- A. Pharynx
- B. Larynx
- C. Trachea
- D. Epiglottis
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| 8 |
A cough, mild wheezing, fever chills and shortness of breath are symptoms of: |
- A. Emphysema
- B. Pneumonia
- C. Bronchitis
- D. Asthma
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| 9 |
In plants, gaseous exchange takes place as: |
- A. CO2 is removed and O2 is absorbed
- B. CO2 is absorbed and O2 is removed
- C. CO2 and O2 both are absorbed
- D. CO2 and O2 both are removed
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| 10 |
Cartilage is absent in: |
- A. larynx
- B. trachea
- C. bronchi
- D. bronchioles
|