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Question
Infected female Anopheles mosquito injects ................ upon biting a human
Infected female Anopheles mosquito injects ................ upon biting a human
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Solution
The correct option is A Sporozoites
Plasmodium is transmitted into a healthy host by a female Anopheles where they undergo asexual reproduction. The species exhibit three life-cycle stages—gametocytes, sporozoites, and merozoites. Gametocytes within a mosquito develop into sporozoites. The sporozoites are transmitted via the saliva of a feeding mosquito to the human bloodstream. From there they enter liver parenchyma cells, where they divide and form merozoites. The merozoites are released into the bloodstream and infect red blood cells. So, the correct answer is option C.
Plasmodium is transmitted into a healthy host by a female Anopheles where they undergo asexual reproduction. The species exhibit three life-cycle stages—gametocytes, sporozoites, and merozoites. Gametocytes within a mosquito develop into sporozoites. The sporozoites are transmitted via the saliva of a feeding mosquito to the human bloodstream. From there they enter liver parenchyma cells, where they divide and form merozoites. The merozoites are released into the bloodstream and infect red blood cells. So, the correct answer is option C.
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