Protozoa Quiz
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Questions and Answers

What is the method of locomotion used by Protozoa ciliates in the phylum “Ciliophora”?

  • Flagella
  • Spiracles
  • Cilia (correct)
  • Pseudopods
  • Which species of ciliates cause the disease 'balantidiasis'?

  • Balantidium lumbrici
  • Balantidium acanthocephala
  • Balantidium trematoda
  • Balantidium coli (correct)
  • How is balantidiasis transmitted?

  • Airborne transmission
  • Vector-borne transmission
  • Contaminated water (correct)
  • Direct contact with infected animals
  • What feature is typically seen in Balantidium coli that can be used for identification purposes?

    <p>Horseshoe-shaped macronucleus</p> Signup and view all the answers

    What kind of parasites are Eucoccidiorida within the order 'Apicomplexa'?

    <p>Epithelial cell parasites</p> Signup and view all the answers

    Which stage of Eucoccidiorida parasites contains a zygote and is diagnostic for this group?

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

    'Goussia oocysts contain 4 sporocysts.' How many sporozoites are present in each sporocysts?

    <p>2</p> Signup and view all the answers

    'Balantidium coli can be found in pigs, or other mammals.' What statement is correct about it's transmitted to humans?

    <p>It can be pathogenic to humans (zoonotic)</p> Signup and view all the answers

    Which parasite is responsible for 'Montezuma's revenge'?

    <p>Giardia species</p> Signup and view all the answers

    How does Giardia reproduce?

    <p>Via binary fission</p> Signup and view all the answers

    Which parasite specifically infects the liver and cecum of poultry?

    <p>Histomonas meleagridis</p> Signup and view all the answers

    Which term is used to refer to the nematode parasite that transmits Histomonas to birds?

    <p>Heterakis gallinarum</p> Signup and view all the answers

    What is the primary mode of transmission of Histomonas to birds?

    <p>Oral ingestion of infected eggs</p> Signup and view all the answers

    What are the clinical signs of histomoniasis/osis in poultry?

    <p>Lethargy and yellow diarrhea</p> Signup and view all the answers

    Which flagellate parasite primarily resides in the duodenum of the intestines?

    <p><strong>Giardia</strong> species</p> Signup and view all the answers

    Where do Epieimeria species differ from Eimeria species?

    <p>Epieimeria species have epicellular development while Eimeria have intracellular development.</p> Signup and view all the answers

    Which Apicomplexan organism is used as an example of having two hosts?

    <p>Sarcocystic species</p> Signup and view all the answers

    What is the best diagnostic feature for Goussia species?

    <p>Sporulated oocysts must be seen during development.</p> Signup and view all the answers

    In which region do Sarcocystis neurona infections predominantly occur?

    <p>North America</p> Signup and view all the answers

    How do Apicomplexans aid in their survival?

    <p>By forming cysts for protection within the environment or intermediate host (IH).</p> Signup and view all the answers

    Common ling (Molva molva) is a host for which parasite?

    <p><strong>Goussia gadi</strong></p> Signup and view all the answers

    Which form of reproduction in protozoa can exponentially increase their numbers and pathogenicity?

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

    Which protozoa class performs locomotion via flagella within the subphylum Mastigophora?

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

    What fertilizes a macrogamete to form a zygote?

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

    What is the most common form of reproduction for prokaryotes and occurs in some single-celled eukaryotes like Paramecium?

    <p>Binary fission</p> Signup and view all the answers

    Which parasite causes 'tropical theileriosis'?

    <p>Theileria annulate</p> Signup and view all the answers

    What disease is caused by Babesia microti in the US?

    <p>Tick Fever</p> Signup and view all the answers

    Which statement about Babesia microti's life cycle is correct?

    <p>The life cycle involves a white-footed mouse and a tick.</p> Signup and view all the answers

    Which is the DH for Babesia microti?

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

    What type of reproduction does Canine Babesia undergo within the RBC?

    <p>Asexual reproduction</p> Signup and view all the answers

    'Protozoa/protists are NOT a single group and occupy most branches (super-groups) of the Eukaryotic tree of life' - This statement refers to the:

    <p>'Taxonomy complexity and molecular advancements'</p> Signup and view all the answers

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