Multiple choice

Fever in malaria is due to :

  1. entry of sporozoites into blood capillaries

  2. entry of merozoites into liver cells

  3. release of merozoites from red blood cells

  4. entry of cryptomerozoites into red blood cells
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C Correct answer
Explanation

Malaria is caused by a protozoan Plasmodium vivax. Infective stage of Plasmodium is sporozoite. Schizogony is an asexual reproduction in which schizont is formed. It undergoes Pre-erythrocytic schizogony, exoerythrocytic schizogony and erythrocytic schizogony. During erythrocytic schizogony RBCs gets ruptured to release merozoits. At this stage malaria fever is felt. 

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