(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
[CBSE AIPMT 2011]
Correct Option (c) Reason : Human head louse (Pediculus) lives among hair and surface of human body feeding on blood. It spreads diseases like typhus. It is a true parasite.