Introduction to Helminths: General Characteristics and Life Cycle
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Introduction to Helminths: General Characteristics and Life Cycle

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Questions and Answers

What is the primary function of the tough cuticle/integument in Dioctophyma renale?

  • To regulate body temperature
  • To store nutrients
  • To serve as a flexible covering (correct)
  • To aid in locomotion

    • Which characteristic best describes the body covering of nematodes?

  • Segmented and rigid
  • Noncellular and highly resistant (correct)
  • Porous and delicate
  • Multilayered and colorful

    • How are adult nematodes classified in terms of sex?

  • As hermaphroditic organisms
  • As dioecious with separate sexes (correct)
  • As asexual organisms
  • As male-dominant species

    • What is the main characteristic used for classifying nematodes according to chemoreceptors?

    <p>Presence of phasmids</p> Signup and view all the answers

    Which part of a nematode's body is usually tapered to a rounded anterior end?

    <p>Posterior end</p> Signup and view all the answers

    What is the classification based on the presence or absence of larva in a shell called?

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

    Which type of nematodes are categorized as tissue nematodes?

    <p>Filariasis-causing nematodes</p> Signup and view all the answers

    What is the body symmetry of adult nematodes?

    <p>Bilateral symmetry</p> Signup and view all the answers

    What is the primary characteristic of nematode bodies?

    <p>Elongated, cylindrical, and unsegmented</p> Signup and view all the answers

    How is the male nematode typically in comparison to the female?

    <p>Smaller in size</p> Signup and view all the answers

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