Polio is caused by which of the following organisms?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Virus.
- Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus.
- The virus spreads from person to person and can infect a person's spinal cord, causing paralysis (can't move parts of the body).