Tse-tse fly is a vector for sleeping sickness which transmits the infective stage of which of the following parasite
Leishmania donavani
Plasmodium falciparum
Trypanosoma gambiense
Wuchereria bancrofti
After drinking alcohol, a person walks clumsily because, the alcohol affects his
$A$ - Acid in the stomach and saliva in the mouthare examples of physiological barrier.
$R$ - Tears from eyes is example of physicalbarrier.
Assertion : The antibodies separted from serum are homogenous.
Reason : Monoclonal antibodies are homogenous immunological reagents.
Interferon is inhibitory to