17
Question
The disease caused by a protozoan and spread by an insect is
The disease caused by a protozoan and spread by an insect is
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Solution
The correct option is B Malaria
Plasmodium, that causes malaria, the pathogen completes its life cycle in mosquito and humans. The primary host is mosquitoes and the secondary host is humans. When a mosquito sucks human blood, it injects the sporozoite into the human blood which then resides in the human body and forms merozoite which are the major cause of malarial fever in humans. So, the correct answer is option B.
Plasmodium, that causes malaria, the pathogen completes its life cycle in mosquito and humans. The primary host is mosquitoes and the secondary host is humans. When a mosquito sucks human blood, it injects the sporozoite into the human blood which then resides in the human body and forms merozoite which are the major cause of malarial fever in humans.
So, the correct answer is option B.
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