Filarial larva can be collected from man's
Smears of intestinal contents
Peripheral blood at midnight
Smears of spleen
Biopsy of liver
Which of the following sets of diseases is caused by bacteria?
Which of the following has only one host
$A$ : $LSD$ and marijuana are clinically used as analgesics.
$R$ : Both these drugs suppress brain function.
Which one of the following is a stimulant?
Plasmodium life cycle is