4
Question
Assertion(A): Plasmodium, a protozoan parasite initially multiplies in liver cells and enters blood cells.
Reason(R): It is responsible for the cause of filariasis.
Reason(R): It is responsible for the cause of filariasis.
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Solution
Correct answer: (c) Assertion(A) is true and reason(R) is false.
∙ Plasmodium is a protozoan that causes the disease malaria.
∙ It is transmitted by the bite of a female Anopheles mosquito.
∙ The sporozoites that enter the bloodstream through the bite of the vector mosquito, are carried by the blood into the liver.
∙ They multiply and eventually breaks out of the liver to reenter the bloodstream.
∙ Next, they invade the red blood cells, grow and divide to destroy these RBCs.
∙ Whereas filariasis is a helminthic disease caused by Wuchereria bancrofti.
∙ Here, the assertion is true, but the reason is false.
Correct answer: (c) Assertion(A) is true and reason(R) is false.
∙ Plasmodium is a protozoan that causes the disease malaria.
∙ It is transmitted by the bite of a female Anopheles mosquito.
∙ The sporozoites that enter the bloodstream through the bite of the vector mosquito, are carried by the blood into the liver.
∙ They multiply and eventually breaks out of the liver to reenter the bloodstream.
∙ Next, they invade the red blood cells, grow and divide to destroy these RBCs.
∙ Whereas filariasis is a helminthic disease caused by Wuchereria bancrofti.
∙ Here, the assertion is true, but the reason is false.
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