Schuffner's dots are related to
$R.B.C.$ of man
Leucocytes of frog
Epithelium of stomach of mosquito
Entamoeba histolytica
In the given flow chart, the replication of retrovirus in a host cell is shown. Observe it carefully and fill up the blank $A, B$ and $C$
It is not a symptom of pneumonia
Diseases like dysentery, cholera, typhoid etc., are more common in over crowded human settlements. Why ?
Antivenom against snake poison contains