Question : Which one of the following is the infective stage of the Malarial Parasite ?
Option 1: schigozoite
Option 2: trophozoite
Option 3: sporoblast
Option 4: sporozoite
Correct Answer: sporozoite
Solution : The correct option is sporozoite.
The sporozoite is the infectious stage of the malarial parasite. An infected female Anopheles mosquito injects sporozoites into the bloodstream along with its saliva when it bites a human host. Once in the liver, these sporozoites infect hepatocytes (liver cells) and go through a phase of replication and development. After passing through the liver stage, the malarial parasites are discharged back into the bloodstream as merozoites, a distinct form that infects red blood cells and results in malaria symptoms.
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