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Biology · 2022 · 2 marks
CBSE 2022 · Region 1 · Set 1 · Q4
What is the importance of female Anopheles mosquitoes in the life of a malarial Parasite Plasmodium?
What is the importance of female Anopheles mosquitoes in the life of a malarial Parasite Plasmodium ?
Marking-scheme solution
Female Anopheles mosquito takes up gametocytes with blood meal, Fertilization and development take place in the mosquito's gut, Mature infective stage (sporozites) escape from the gut and migrate to mosquito salivary gland, Female Anopheles bites the humans transmitting the plasmodium to its second host to complete its life cycle.
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Completes sexual stages of life cycle in female Anopheles mosquito / female Anopheles mosquito acts as primary host, acts as vector to transfer parasites from infected person to healthy person to complete its life cycle.
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CBSE Class 12 Biology past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.