Protozoa: General Characters and Classification
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Questions and Answers

What is the characteristic of protozoa that enables them to perform whole life functions?

  • They are autotrophic
  • They are eukaryotic (correct)
  • They have a complex life cycle
  • They are multicellular organisms

    • What is the type of movement used to divide protozoa into taxonomic groups?

  • Amoeboid movement
  • Flagella movement
  • Cilia movement
  • All of the above (correct)

    • What is the process by which nucleus undergoes multiple divisions before the cell divides in asexual reproduction?

  • Binary fission
  • Gametogony
  • Conjugation
  • Schizogony (correct)

    • What is the type of reproduction that involves production and fusion of gametes in protozoa?

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

    Which of the following intestinal protozoa is classified as a Ciliate?

    <p>Balantidium coli</p> Signup and view all the answers

    What is the disease caused by Entamoeba histolytica?

    <p>Amebic dysentery and liver abscess</p> Signup and view all the answers

    What is the morphology of the trophozoite stage of Entamoeba histolytica?

    <p>Ameboid appearance due to presence of pseudopodia</p> Signup and view all the answers

    What is the infective stage of Entamoeba histolytica?

    <p>Mature cysts</p> Signup and view all the answers

    How is Entamoeba histolytica transmitted?

    <p>Through contaminated food or hands</p> Signup and view all the answers

    What is the characteristic of the cyst stage of Entamoeba histolytica?

    <p>Has 1 to 4 nuclei similar to trophozoite</p> Signup and view all the answers

    What is the shape of the trophozoite of Giardia lamblia?

    <p>Half pear-shaped</p> Signup and view all the answers

    Which of the following is NOT a characteristic of Entamoeba histolytica?

    <p>Trophozoite has eight flagella</p> Signup and view all the answers

    What is the infective stage of Trypanosoma cruzi?

    <p>Metacyclic trypomastigotes</p> Signup and view all the answers

    Which of the following is a characteristic of Trichomonas vaginalis?

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

    What is the vector of transmission of Leishmania?

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

    Which of the following is a characteristic of Plasmodium?

    <p>It causes malaria</p> Signup and view all the answers

    What is the characteristic of the anchovy-paste or chocolate pus in amebic abscess?

    <p>It is a characteristic of amebic abscess</p> Signup and view all the answers

    What is the characteristic of the disease caused by Schistosoma mansoni?

    <p>It causes intestinal schistosomiasis</p> Signup and view all the answers

    What is the characteristic of the body cavity of trematodes?

    <p>It is absent</p> Signup and view all the answers

    What is the characteristic of the digestive system of trematodes?

    <p>It is absent</p> Signup and view all the answers

    What is the location of the venous plexus infected by Haematobium?

    <p>Bladder, ureter &amp; kidneys</p> Signup and view all the answers

    What is the mode of infection for Taenia saginata?

    <p>Ingestion of raw or improperly cooked beef</p> Signup and view all the answers

    What is the definitive host for Hymenolepis nana?

    <p>Human, rats, and mice</p> Signup and view all the answers

    What is the clinical finding of heavy infection of Enterobius vermicularis?

    <p>Intestinal irritation and enteritis</p> Signup and view all the answers

    What is the mode of infection for Ascaris lumbricoides?

    <p>Ingestion of eggs through contaminated food and water</p> Signup and view all the answers

    What is the disease caused by Wuchereria bancrofti?

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

    What is the infective stage of Ascaris lumbricoides?

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

    What is the vector of Wuchereria bancrofti?

    <p>Female mosquito</p> Signup and view all the answers

    What is the clinical finding of heavy infection of Ascaris lumbricoides?

    <p>Malnutrition and intestinal obstruction</p> Signup and view all the answers

    What is the clinical finding of Wuchereria bancrofti infection?

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

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