Meritnation experts plz ans in a sheet of paper only i need my ans soon plz help me i need my ans???

Protozoan is a parasitic single celled organism that can divide only within a host organism.For example Malaria is caused by the protozoa plasmodium.

Protozoan diseases are the diseases caused by protozoans. For example Malaria is a protozoan disease caused by plasmodium ( a parasite).Diarrhoea, Dysentery etc. diseases are also protozoan diseases.