Which one of the following disease is sexually transmitted disease
Cancer
Syphilis
Diphtheria
Myocarditis
Diseases like dysentery, cholera, typhoid etc., are more common in over crowded human settlements. Why ?
Mark the correct statement
The region in the body where the polio virus multiplies is
Kala -azar disease is causes by
Which of the following is a matching pair of the vector and the disease