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Life Cycle of Plasmodium

The sporozoit...

Question

The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in:

A

Liver of human

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B

RBCs of mosquito

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C

Salivary glands of mosquito

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D

Intestine of human

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Solution

The correct option is C
Salivary glands of mosquito

A female Anopheles mosquito carrying malaria-causing parasites feeds on a human and injects the parasites in the form of sporozoites (present in the saliva of the mosquito) into the bloodstream. A sporozoite is the haploid form of the parasite that causes the infection.

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Q. Assertion :Sporozoites of malarial parasite enter in the human body due to biting of freshly born female Anopheles mosquito, whose mother was a carrier of malarial parasite. Reason: Male and female gametocytes of malarial parasites are formed in the human intestine.

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I. The merozoites are initially formed in the liver cells and attack the RBCs upon their release.
II. Rupturing of RBCs releases hemozoin into the blood.
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Life Cycle of Plasmodium

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