This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology Pa 1 (Protozoology), Subject name: Microbiology
In malaria, sexual cycle is - 
Select and explain. 
A. Sporozoites to gametocytes, B. Gametocytes to sporozoites, C. Occurs in human, D. Responsible for relapse
B: Gametocytes to sporozoites
Answer: B: Gametocytes to sporozoites 
Explanation: 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