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

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

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

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

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

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

<p>2 (C)</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) (B)</p> Signup and view all the answers

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

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

How does Giardia reproduce?

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

Which parasite specifically infects the liver and cecum of poultry?

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

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

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

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

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

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

<p><strong>Giardia</strong> species (A)</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. (A)</p> Signup and view all the answers

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

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

What is the best diagnostic feature for Goussia species?

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

In which region do Sarcocystis neurona infections predominantly occur?

<p>North America (D)</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). (C)</p> Signup and view all the answers

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

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

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

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

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

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

What fertilizes a macrogamete to form a zygote?

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

Which parasite causes 'tropical theileriosis'?

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

What disease is caused by Babesia microti in the US?

<p>Tick Fever (A)</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. (D)</p> Signup and view all the answers

Which is the DH for Babesia microti?

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

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

<p>Asexual reproduction (D)</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' (B)</p> Signup and view all the answers

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