Q180 / 200 · NEET 2011 (Screening) · Zoology

Which one of the following is categorised as a parasite in true sense?

  • A
    Human foetus developing inside the uterus draws nourishment from the mother
  • Correct answer
    B
    Head louse living on the human scalp as well as laying eggs on human hair
  • C
    The cuckoo (koel) lays its eggs in crow's nest
  • D
    The female Anopheles bites and sucks blood from humans

Solution

Human louse (Pediculus) lives among hair and surface of human body feeding on blood. It spreads diseases like typhus.

Hence, the correct answer is option: 'B'.

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