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, infective stage injected into human subjects by the mosquito is: 
Select and explain. 
A. Sporozoite, B. Merozoite, C. Cryptozoite, D. Gametocyte
A: Sporozoite
Answer: A: Sporozoite 
Explanation: Female anopheles mosquito: definitive host. Man: intermediate host. In malaria infective stage for humans is sporozoites.