The sporozoite stage of Plasmodium is transmitted to humans during the mosquito bite. This is the infective stage responsible for initiating the malarial infection.
Stage 1: Comprehending the Plasmodium life cycle.
A female Anopheles mosquito transmits sporozoites to a human via a bite, introducing them into the bloodstream. Sporozoites represent the infectious form of the Plasmodium parasite.
Stage 2: Sporozoite function.
Sporozoites migrate to liver cells, where asexual multiplication occurs, generating merozoites. This signifies the initiation of the parasite's life cycle within the human host.
\[ \text{Sporozoite} \xrightarrow{\text{Liver}} \text{Merozoite (blood stage)} \]
Stage 3: Essential Information.
The sporozoite stage is the parasite's initial entry point into the human, thus validating it as the accurate response.
| List I | List II | ||
| A. | Common cold | I. | Plasmodium |
| B. | Haemozoin | II. | Typhoid |
| C. | Widal test | III. | Rhinoviruses |
| D. | Allergy | IV. | Dust mites |