Which of the following organism are transmitted by houseflies?

I. Plasmodium II. Vibro Choleroe III. Gonococcus sp IV. Poliomyelitis virus V. Syphilis bacteria

A. I and II only
B. II and V only
C. III and IV only
D. II and IV only
E. III and V only

Correct Answer:

Option D – II and IV only