Given below are two statements:
| Assertion (A): | Severe Acute Respiratory Syndrome (SARS) originated in China. |
| Reason (R): | China is the most populated country of the world |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
| 1. | Inflammation of bronchioles; decreased respiratory surface |
| 2. | Increased number of bronchioles; increased respiratory surface |
| 3. | Increased respiratory surface; inflammation of bronchioles |
| 4. | Decreased respiratory surface; inflammation of bronchioles |