| 1 |
During exercise the breathing rate may rise to |
- A. 30 times per minute
- B. 20 times per minute
- C. 25 times per minute
- D. 35 times per minute
|
| 2 |
During photorespiration, glycine is converted into serine in the |
- A. Golgi bodies
- B. Chloroplast
- C. Mitochondria
- D. Ribosome
|
| 3 |
Myoglobin occurs in |
- A. Red blood cells
- B. White blood cells
- C. Plasma
- D. Muscle fibres
|
| 4 |
Respiratory distress syndrome is common in |
- A. Adults
- B. Old age people
- C. Prelature infants
- D. All new borns
|
| 5 |
_____ is more important regulator of breathing process. |
- A. Oxygen
- B. Carbon di oxide
- C. Myoglobin
- D. Hemoglobin
|
| 6 |
More than ten compounds of tar of tobacco smoke are included in causing. |
- A. Cancer
- B. Asthma
- C. Emphysema
- D. Tuberculosis
|
| 7 |
The volume of air taken inside the lungs and expelled during exercise is about |
- A. 2.5 liters
- B. 3.5 liters
- C. 4.5 liters
- D. 1.5 liters
|
| 8 |
The respiratory system is most efficient in ______ |
- A. Man
- B. Bird
- C. Fish
- D. Snake
|
| 9 |
Lungs are covered by double layered thin membranous sacs called. |
- A. Pleura
- B. Larynx
- C. Air sacs
- D. Diaphragm
|
| 10 |
Plasma proteins carry about____________% CO2 from body fluids to lungs. |
|