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Question
Which one of the following life cycle stages of malarial parasite is responsible for relapse of malarial symptoms?
Which one of the following life cycle stages of malarial parasite is responsible for relapse of malarial symptoms?
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Solution
The correct option is B Hypnozoite
Malaria is caused by the parasite Plasmodium and it is transferred through the vector female Anopheles mosquito.A. When the sporozoites of Plasmodium after entering into blood through the bite of mosquito (female Anopheles), infect the liver cells and multiply asexually and are released in blood to infect red blood cells, these are called merozoites.B. Sporozoite is the stage at which infection in humans begins due to the bite of mosquito which releases them in blood stream.C. Hypnozoite is the dormant stage of Plasmodium in the liver cells and due to this, it is responsible for relapse of malarial symptoms.D. Gametocyte is the immature sexual stage of Plasmodium which are sucked by the female Anopheles.So, the correct answer is 'Hypnozoite'.
Malaria is caused by the parasite Plasmodium and it is transferred through the vector female Anopheles mosquito.
A. When the sporozoites of Plasmodium after entering into blood through the bite of mosquito (female Anopheles), infect the liver cells and multiply asexually and are released in blood to infect red blood cells, these are called merozoites.
B. Sporozoite is the stage at which infection in humans begins due to the bite of mosquito which releases them in blood stream.
C. Hypnozoite is the dormant stage of Plasmodium in the liver cells and due to this, it is responsible for relapse of malarial symptoms.
D. Gametocyte is the immature sexual stage of Plasmodium which are sucked by the female Anopheles.
So, the correct answer is 'Hypnozoite'.
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