In malaria, sexual cycle is -: (A) Sporozoites to gametocytes, (B) Gametocytes to sporozoites, (C) Occurs in human, (D) Responsible for relapse
Answer is B. 1. Female Anopheline mosquito represents the definitive host (Intermediate host- Man), in which sexual forms male and female gametocytes are transferred from human host during blood meal. 2. Sexual cycle (Sporogony): Begins when gametocytes infect the female anopheles mosquito and then transform to gametes - zygote - ookinete - oocyst - sporozoites