The process by which the diploid oocyst of Plasmodium forms large...

The process by which the diploid oocyst of Plasmodium undergoes meiosis and subsequent mitosis to form a large number of haploid sporozoites in the gut wall of the female Anopheles mosquito is called sporogony.

Schizogony refers to the asexual multiplication that occurs in the human host (liver and red blood cells).

Gamogony is the formation of gametes.

Syngamy is the fusion of male and female gametes to form a zygote.

Answer: sporogony