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Which one of the following is categorised as a parasite in true sense? 1. The cuckoo (koel) lays its egg in crow's nest 2. The female Anopheles bites and sucks blood from humans 3. Human foetus developing inside the uterus draws nourishment from the mother 4. Head louse living on the human scalp as well as laying eggs on human hair

Which one of the following is categorised as a parasite in true sense?
1. The cuckoo (koel) lays its egg in crow's nest
2. The female Anopheles bites and sucks blood from humans
3. Human foetus developing inside the uterus draws nourishment from the mother
4. Head louse living on the human scalp as well as laying eggs on human hair

Grade:11

1 Answers

Deepak Patra
askIITians Faculty 471 Points
7 years ago
Sol: Head louse living on the human scalp as well as laying eggs on human hair is a parasite in true sense. Female mosquito is not considered as a parasite, though it needs human blood for reproduction. Koel that lays in crow's nest is just a brood parasite. Answer: (4)

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