| 1 |
Exchange of gases takes place in. |
- A. Lungs
- B. Bronchioles
- C. Aleoli
- D. Blood
|
| 2 |
Which artery supply blood to the heart |
- A. Pulmonary artery
- B. Hepatic artery
- C. Coronary Artery
- D. Aorta
|
| 3 |
The opening of air passage in the laryanx is called. |
- A. Trachea
- B. Bronchi
- C. Glottis
- D. Alveoli
|
| 4 |
Which gas reacts with food to convert it into carbon dioxide and water. |
- A. Oxygen
- B. Nitrogen
- C. Phosphorus
- D. Argon
|
| 5 |
Which of the following plays an important role in blood clotting. |
- A. Red blood cells
- B. White blood cell
- C. Platelets
- D. Bone cells
|
| 6 |
Exchange of material in the body tissues and blood takkes place in. |
- A. Aorta
- B. Ventricles
- C. Capillaries
- D. Veins
|
| 7 |
Trachea divides into two |
- A. Bronchi
- B. Veins
- C. Villi
- D. Ribs
|
| 8 |
The concentration of water in plasma is. |
- A. 55%
- B. 45%
- C. 92%
- D. 95%
|
| 9 |
The pulse tells us the rate of.......... |
- A. Breathing
- B. Heart beat
- C. Both a and b
- D. None of these
|
| 10 |
A substance that speed up the chemical reactions is called. |
- A. Solute
- B. Solvent
- C. Solution
- D. Catalyst
|
