Multiple choice Which of the following is the infective stage of malarial parasite? Sporozoite stage Schizozoite stage Merozoite stage Metacryptozoite stage - Reveal answer Fill a bubble to check yourself A Correct answer Explanation It is a motile spore-like stage in the life cycle of some parasitic sporozoans (e.g. the malaria organism), which is typically the infective agent introduced into a host.