Classification and Characteristics of Helminths
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Questions and Answers

What is the defining characteristic of the body structure of Platyhelminthes Class Cestoda?

  • The body is dorsoventrally flattened
  • The body is heavily segmented
  • The body consists of three portions
  • All of the above (correct)

    • What is the final or definitive host for the life cycle of Taenia saginata?

  • Buffalo
  • Man (correct)
  • Cattle
  • Cysticercus bovis

    • What is the infective stage of Taenia saginata for man?

  • Gravid proglottids
  • Larval stage (Cysticercus bovis) (correct)
  • Eggs
  • Mature proglottids

    • What is the habitat of Taenia saginata?

    <p>Intestines</p> Signup and view all the answers

    What is the distinguishing morphological feature of Taenia saginata compared to other Taenia species?

    <p>Larger and longer body with more proglottids</p> Signup and view all the answers

    How does Taenia saginata derive nutrients from the host?

    <p>By absorbing nutrients directly through the tegument cells</p> Signup and view all the answers

    What is the shape of cestodes?

    <p>Segmented</p> Signup and view all the answers

    Which of the following is true about the head end of cestodes?

    <p>Suckers are present; some have attached hooks</p> Signup and view all the answers

    What type of body cavity do cestodes have?

    <p>Absent, filled with spongy undifferentiated mesenchymatous cells</p> Signup and view all the answers

    Which alimentary canal characteristic describes cestodes?

    <p>Absent</p> Signup and view all the answers

    In what way are cestodes different from trematodes?

    <p>Segmented vs. leaf-like shape</p> Signup and view all the answers

    What is the reproductive nature of most cestodes?

    <p>(Monoecious) Hermaphrodites</p> Signup and view all the answers

    Which of the following is a characteristic of cestodes like Taenia saginata?

    <p>Their body is ribbon-like and flattened.</p> Signup and view all the answers

    What is the definitive host for Taenia saginata?

    <p>Humans</p> Signup and view all the answers

    Which of the following statements about Taenia saginata is true?

    <p>It is a cestode.</p> Signup and view all the answers

    What is the maximum reported length of an adult Taenia saginata?

    <p>Over 22 meters</p> Signup and view all the answers

    Which of the following is the intermediate host for Taenia saginata?

    <p>Cattle</p> Signup and view all the answers

    Taenia saginata is considered a:

    <p>Zoonotic disease</p> Signup and view all the answers

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