Which of the following is the cause of polio? Mcqs

Which of the following is the cause of polio?

(A) Infection

(B) Virus

(C) Bacteria

(D) None of these

The study of cause, origin and nature of disease is called...?

(A) Penology

(B) Pathology

(C) Philately

(D) None of these

Source: This question is taken from the Assistant (BS-16) Provincial Disaster Management BOR