This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Medicine
[{'content': 'In plasmodium vivax malaria, relapse in caused by: \nSelect and explain. \nA. Sporozoite, B. Schizont, C. Hypnozoite, D. Gametocyte', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Option A: In salivary glands of mosquitoes, infective to human beings Option B: They cause destruction of RBC leading to haemolysis Option D: Infective to mosquitoes. Male & female gametocytes fuse to form Oocyst / Ookinete - conveed to Sporozoite - Infectivity is spread Option C: Relapse for P. vivax & P. ovale', 'role': 'assistant'}]