‘Amoebiasis' (amoebic dysentery) is caused by
Plasmodium vivax
Entamoeba gingivalis
Entamoeba histolytica
Trypanosoma gambiense
Infection of Entamoeba histoloytica is preveneted by
Identify $X$ from figure
Which of the following is a parasite protozoan
Represent schematically the life cycle of a malarial parasite.
‘Malaria' a common disease world wide is caused by a