The malignant tertian malaria is caused by
Plasmodium vivax
Plasmodium falciparum
Plasmodium ovale
Plasmodium malariae
During conjugation in Paramecium
$A$ : It is considered advantageous to give the polio vaccine orally.
$R$ : It prevents reinfection by causing intestinal immunity
Assertion: There is no chance of malaria to a man on the bite of male Anopheles mosquito.
Reason: It carries a non-virulant strain of Plasmodium.