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Question: Answered & Verified by Expert
Which one of the following is categorised as a parasite in true sense?
BiologyHuman Health and DiseasesNEET
Options:
  • A The female Anopheles bites and sucks blood from humans.
  • B Human foetus developing inside the uterus draws nourishment from the mother.
  • C Head louse living on the human scalp as well as laying eggs on human hair
  • D The cuckoo (koel) lays its eggs in crow's nest .
Solution:
2658 Upvotes Verified Answer
The correct answer is: Head louse living on the human scalp as well as laying eggs on human hair
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs. Head louse is an obligate ectoparasite that live on the scalp and needs human blood to survive.

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