Common cold differs from pneumonia as

Options

A. Pneumonia is caused by a virus whereas common cold is caused by a bacterium
B. pneumonia pathogen infects alveoli whereas common cold affects nose and respiratory passage but not the lungs
C. pneumonia is a non-communicable disease whereas common cold is a communicable disease
D. none of these

Answer

B

Explanation

Pneumonia is caused by bacteria, Streptococcus pneumoniae and Haemophilus influenzae. It is a communicable disease. Common cold is a viral disease caused by Rhino viruses. It affects the nose and respiratory passage but not the lungs. It is also a communicable disease.