Parasitic Host Interactions Quiz
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Questions and Answers

What type of host acts as a bridge between the intermediate host and the definitive host?

  • Paratenic host (correct)
  • Dead-end host
  • Accidental host
  • Definitive host
  • Which type of host cannot progress the life cycle development of the parasite?

  • Dead-end host (correct)
  • Intermediate host
  • Paratenic host
  • Definitive host
  • What is the term used for a symbiotic relationship where both organisms benefit from each other's existence?

  • Parasitism
  • Commensalism
  • Mutualism (correct)
  • Phoresis
  • In the context of parasite-host relationships, what is an example of a dead-end host for the Japanese encephalitis virus?

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

    What is the primary role of a paratenic host in a parasite's life cycle?

    <p>To carry the parasite without allowing it to develop further</p> Signup and view all the answers

    Which type of symbiotic relationship involves one organism benefiting and the other being unaffected?

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

    What is the main difference between parasitism and commensalism?

    <p>In parasitism, the host is harmed, whereas in commensalism, the host is neither helped nor harmed.</p> Signup and view all the answers

    What is the primary purpose of adaptations in parasites?

    <p>To maximize benefit from the environment</p> Signup and view all the answers

    Why do endoparasites usually lack feeding organs?

    <p>They feed directly on host tissues.</p> Signup and view all the answers

    Which statement best describes the impact of parasitism on the host?

    <p>The host is harmed due to the parasite benefiting from the relationship.</p> Signup and view all the answers

    What is a common characteristic of commensals in symbiotic relationships?

    <p>They neither help nor harm the host.</p> Signup and view all the answers

    Why do endoparasites often have highly reduced or absent locomotory organs?

    <p>To prevent damage to host tissues during movement.</p> Signup and view all the answers

    What type of parasites live on the surface of the host's body?

    <p>Head louse and blood-sucking fleas</p> Signup and view all the answers

    Which parasite has attachment organs like rostellum, hooks, or suckers to connect securely to the host's organs?

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

    Which parasite has a highly muscular pharynx for easy absorption of food materials from the host?

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

    What type of parasite lives in the interior of the host's body, in the blood, tissues, body cavities, and other organs?

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

    Which parasite leads a parasitic condition throughout its entire life cycle?

    <p>Head louse</p> Signup and view all the answers

    Which term describes organisms that can live either a parasitic or non-parasitic existence depending on opportunity?

    <p>Facultative parasite</p> Signup and view all the answers

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