Cestoda Classification Key Quiz
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Questions and Answers

Which family has a strobila large with numerous proglottids or small with few proglottids, a well-developed rostellum armed with one or two rows of hooks, and suckers unarmed?

  • Anoplocephalidae
  • Davaineidae
  • Hymenolepididae
  • Mesocestoididae (correct)

Which family has a rostellum armed with one or more circles of T-shaped hooks, and often has armed suckers?

  • Anoplocephalidae
  • Mesocestoididae
  • Hymenolepididae
  • Davaineidae (correct)

In which family are the testes numerous, follicular, surrounding ovary, and scatterred in proglottids?

  • Taeniidae (correct)
  • Hymenolepididae
  • Dilepididae
  • Anoplocephalidae

Which family has a rostellum absent or, if present, armed with one to many rows of hooks and the uterus persistent (transverse sac) or replaced by paruterine organs or egg capsules?

<p>Anoplocephalidae (C)</p> Signup and view all the answers

Which family carries 4 suckers in Taenia saginata and carries 4 suckers with a rostellum present, armed with 2 rows of hooks with Y shape in Taenia solium?

<p>Taeniidae (C)</p> Signup and view all the answers

Which family has a well-developed rostellum armed with one or two rows of hooks, and suckers unarmed?

<p>Davaineidae (D)</p> Signup and view all the answers

In which family are the testes rarely more than 4?

<p>Hymenolepididae (C)</p> Signup and view all the answers

Which family has a rostellum absent, or if present, armed with one to many rows of hooks, and the uterus persistent (transverse sac) or replaced by paruterine organs or egg capsules?

<p>Anoplocephalidae (B)</p> Signup and view all the answers

Which family carries 4 suckers in Taenia saginata and carries 4 suckers with a rostellum present, armed with 2 rows of hooks with Y shape in Taenia solium?

<p>Taeniidae (A)</p> Signup and view all the answers

In which family are the genital pores marginal, usually alternate irregularly, and the ovary bilobed?

<p>Taeniidae (B)</p> Signup and view all the answers

Flashcards

Mesocestoididae family characteristics

Large strobila with numerous proglottids, well-developed rostellum with hooks, unarmed suckers.

Davaineidae family characteristics

Rostellum with circular, T-shaped hooks; suckers may be armed.

Taeniidae family testes

Numerous follicular testes surrounding the ovary, scattered in proglottids.

Anoplocephalidae rostellum

Rostellum absent or with hooks, persistent uterus or paruterine organs.

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Taeniidae suckers and rostellum

Four suckers; rostellum armed with Y-shaped hooks (in Taenia solium).

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Hymenolepididae testes quantity

Testes are rarely more than 4.

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Taeniidae genital pores

Genital pores are marginal, usually alternate irregularly, and ovary is bilobed.

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Study Notes

Cestode Families

  • Family with large strobila and numerous proglottids or small strobila with few proglottids, well-developed rostellum with one or two rows of hooks, and unarmed suckers: Taeniidae.
  • Family with rostellum armed with one or more circles of T-shaped hooks, and often armed suckers: Mesocestoididae.
  • Family with numerous, follicular testes surrounding ovary, scattered in proglottids: Hymenolepididae.
  • Family with absent or present rostellum armed with one to many rows of hooks, and uterus persistent (transverse sac) or replaced by paruterine organs or egg capsules: Dipylidiidae and Mesocestoididae.
  • Family with 4 suckers in Taenia saginata and 4 suckers with rostellum present, armed with 2 rows of hooks with Y shape in Taenia solium: Taeniidae.
  • Family with testes rarely more than 4: Anoplocephalidae.
  • Family with absent or present rostellum armed with one to many rows of hooks, and uterus persistent (transverse sac) or replaced by paruterine organs or egg capsules: Dipylidiidae and Mesocestoididae.
  • Family with genital pores marginal, usually alternate irregularly, and bilobed ovary: Anoplocephalidae.

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Description

Test your knowledge of Cestoda classification with this quiz. Identify the orders and families based on key characteristics such as scolex structure and reproductive pores.

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