Q: 184 (SSC/NA)
question_subject:
Science
question_exam:
SSC
stats:
0,15,7,5,15,1,1
keywords:
{'polio': [3, 0, 0, 0], 'casual organism': [1, 0, 0, 0], 'bacteria': [4, 1, 2, 3], 'worm': [1, 0, 1, 2], 'virus': [4, 0, 0, 1]}
The correct answer is option 2: A virus.
Polio, also known as poliomyelitis, is caused by the poliovirus. A virus is a microscopic infectious agent that can only replicate inside the cells of a living host. Poliovirus specifically infects the nervous system, causing paralysis and potentially even death.
Option 1: A fungi is incorrect because fungi are a separate kingdom of organisms that are not responsible for causing polio.
Option 3: A worm is also incorrect because worms, such as roundworms or tapeworms, are not responsible for polio either.
Option 4: A bacteria is incorrect because bacteria are single-celled microorganisms that are different from viruses and do not cause polio.
Therefore, the correct answer is option 2: A virus.