| 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 |
Tiny thin walled ducts called parabronchi are present in the lungs of. |
- A. Mammals
- B. Reptile
- C. Birds
- D. Amphibians
|
| 3 |
The most abundant protein in chloroplast and probably most abundant protein in the world is |
- A. Hemoglobin
- B. Rubisco
- C. Insulin
- D. Globulin
|
| 4 |
Respiratory organs in fish are |
- A. Lungs
- B. Gills
- C. Skin
- D. Fins
|
| 5 |
The heart of the fist is single circuit and the blood flows in |
- A. Two direction
- B. One direction
- C. One and two direction
- D. Reverse direction
|
| 6 |
Emphesema is breakdown of |
- A. Muscles
- B. Capillaries
- C. Alveoli
- D. None of these
|
| 7 |
The main tracheal trunk in cockroach communicates with exterior by |
- A. 100 pairs
- B. 10 pairs
- C. 8 pairs
- D. 4 pairs
|
| 8 |
Breakdown of Alveoli of lungs is called. |
- A. Asthma
- B. Lungs cancer
- C. Emphysema
- D. Tuberculosis
|
| 9 |
A liter of H2O contains ml of oxygen. |
|
| 10 |
Which one is the structure of respiratory system of man. |
- A. Larynx
- B. Syrinx
- C. Esophagus
- D. duodenum
|