Final answer:
The incorrect statement about verruca is that it is caused by bacteria; verrucas are caused by HPV, a virus, and are contagious.
Step-by-step explanation:
The statement that is NOT true of the term verruca is: c) It is caused by bacteria. Verrucae, commonly known as warts, are indeed viral infections caused by various strains of the human papillomavirus (HPV). They are contagious and can spread through direct contact with the skin or mucous membranes of an infected person. A verruca-specific example of HPV-caused warts is plantar warts, which typically occur on the feet.