INJSO Bio Practice 2

Biology Level 1

Which of the following can be categorized as a parasite in true sense?

Head louse lives on human scalp and lays eggs on hair. The cuckoo lays eggs in crow’s nest for subsequent parental care. Human foetus developing in uterus draws nourishment from mother The female Anopheles mosquito sucks blood from human

Archit Boobna by Archit Boobna , 20, India

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2 solutions

Firdous Fatma
Jul 14, 2015

parasite is something which depends on host for survival and also causes disease.Head louse spreads many diseases.

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Utsav Playz
May 11, 2021

A parasite is an organism that depends upon the host, for both food and shelter, which may cause diseases.

  • Clearly, the house louse sucks blood via the human scalp, taking food from the host(human)

  • Also, by laying eggs(nits) on the hair of the human, it takes shelter from the host

  • As well as, It spread diseases like Epidemic Typhus, Trench Fever, etc.

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