Q. Common cold differs from pneumonia in that
A) Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs
B) Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
C) Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
D) Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
Explanation
[Solution from source] Pneumonia, caused by bacteria such as Streptococcus pneumoniae, infects the alveoli of the lungs, whereas the common cold (rhinovirus) affects the nose and respiratory passages but not the lungs. The common cold is an infectious viral disease, not a nutritional deficiency, and it is not caused by Haemophilus. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.