Biology
Assertion (A): Malaria is caused by Plasmodium which is spread by Culex mosquito.
Reason (R): There are two hosts in the life cycle of a malarial parasite which are Anopheles mosquito and humans/monkeys/birds, etc.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Hygiene
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Answer
A is False and R is True.
Reason — Malaria is caused by the protozoan Plasmodium. However, it is transmitted by the female Anopheles mosquito, not Culex.
Plasmodium requires two hosts to complete its life cycle: The female Anopheles mosquito and humans/monkeys/birds, etc.
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Reason: (R): Shigella is a kind of bacillus bacteria which causes bacillary dysentery.
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