This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Infective stage for mosquito in case of Plasmodium vivax is: 
Select and explain. 
A. Gametocyte, B. Sporozites, C. Tropozoites, D. Merozoites
A: Gametocyte
Answer: A: Gametocyte 
Explanation: Gametocyte