Poliomyelitis is caused by-

Correct option is A

The correct answer is (a) Virus.
· Poliomyelitis (commonly known as polio) is caused by the poliovirus, which is a member of the enterovirus family.
· Polio is an infectious disease that primarily affects young children and can lead to paralysis, muscle weakness, and in severe cases, death.
· The virus spreads through contaminated food and water and attacks the nervous system.
Additional Information:
· Worms : Worm infections can cause various diseases, but they do not cause poliomyelitis.
· Fungus:Fungal infections can lead to other diseases, not polio.
· Bacteria : Bacterial infections are responsible for many illnesses, but polio is specifically caused by a virus.