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Plasmodium enters the human body in which infectious form?
AGametocytes
BMerozoites
CSporozoites
DTrophozoites
Answer & Solution
Correct answer: C. Sporozoites
1. The parasite changes form as it moves between mosquito and human host.
2. Plasmodium enters the human body as sporozoites, the infectious form.
3. Those are carried in the saliva of the infected female Anopheles mosquito.
4. Merozoites appear later, after multiplication in liver and red blood cells.
5. Naming merozoites as the entry form is the usual confusion.
_Source: NCERT Class 12 Biology Ch7 'Human Health and Disease', section 7.1_
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