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Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Which of the following is monogenetic?
  • A
    Tapeworm
  • B
    Ascaris
  • C
    Fasciola
  • D
    Hookworm
✓

Answer

  1. Ascaris

Explanation:

Ascaris is monogenetic because it completes its life cycle in only one host i.e man.

Tapeworm requires two hosts i.e man and pig while Fasciola requires sheep and snail to complete its life cycle. Hookworms undergo some development outside host body in the soil before they attain infective stage.

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