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Question

Signet ring stage of Plasmodium represents

A
Beginning of schizogony in liver cells
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B
End of schizogony in RBC
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C
Beginning of schizogony in RBC
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D
Beginning of sporogony in humans
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Solution

The correct option is B Beginning of schizogony in RBC
In erythrocytic schizogony, the micro-metacryptozoites invade the RBCs and forms a young trophozoite. As it grown in size, a central vacuole is developed and the nucleus is pushed to one side into the peripheral stage is clinically referred to as signet ring stage, as it resembles the signet ring with the peripherally located nucleus looking like a gem of the ring. Erythrocytic schizogony ends with the liberation of merozoite by rupturing RBCs. In liver schizogony, each sporozoite grows and become spherical, non-pigmented schizont. Sporogony occurs in female Anopheles mosquito
So, the correct answer is 'Beginning of schizogony in RBC'

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