Biology MCQ – MCQ on Protozoa

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Biology Mcq – Here is the list of MCQ on Protozoa

1. Animals that are routinely infected with a protozoan or parasite are termed as ___

  • definitive host
  • intermediate host
  • reservoir host
  • parasitic host

2. For the malaria protozoa, mosquitoes are the definitive host.

  • True
  • False

3. Laboratory diagnosis of Entamoeba histolytica depends on identification in the _

  • blood
  • urine
  • saliva
  • stool

4. Where are the protozoa present during the acute stage of Chagas’ disease?

  • blood
  • spleen
  • liver
  • stool

5. Chagas’ disease is transmitted to humans by ___

  • tsetse fly
  • mosquitoes
  • reduviid bugs
  • sandflies

6. African sleeping sickness is caused by ___

  • Trypanosoma cruzi
  • Trypanosoma gambiense
  • Trichomonas vaginalis
  • Leishmania tropica

7. What is the incubation period for kala azar disease?

  • 24 h
  • 1 month
  • 2-4 months
  • d) 7 days

8. Leishmania organism are transmitted to humans by __

  • sandflies
  • tsetse flies
  • mosquitoes
  • bugs

9. Most commonly Plasmodium ovale and Plasmodium malariae causes malaria in humans.

  • True
  • False

10. After how many days of infection by mosquitoes do the symptoms for malaria occur?

  • 1-2
  • 3-5
  • 10-16
  • d) 20-30

11. The schizonts enter which body part?

  • bloodstream
  • spleen
  • mouth
  • liver

12. How much time does it take for the rupture of infected erythrocytes with P. vivax?

  • 24 h
  • 48 h
  • 72 h
  • 96 h

13. The disease espundia is caused by which of the following protozoa?

  • Leishmania brasiliensis
  • Leishmania donovani
  • Leishmania tropica
  • d) Phlebotomus sp

14. Unicellular eukaryotes are grouped in

15. Which of the following organisms will vanish if all the ponds and puddles are destroyed?

  • Plasmodium
  • Trypanosoma
  • Leishmania
  • Ascaris

16. In Amoeba and Paramecium, the cell organelle for osmoregulation is

  • nucleus
  • body surface
  • contractile vacuole
  • pseudopodia

17. Which class does the malarial parasite belong to?

  • dinophyceae
  • sarcodina
  • ciliata
  • sporozoa

18. Protozoa are classified on the basis of

  • locomotory organelle
  • shape
  • number of nuclei
  • size

19. Organ of defense in protozoans is

  • statocysts
  • trichocysts
  • otocysts
  • nematocysts

20. Which of the following is not a characteristic feature of prtozoans

  • binary fission
  • contractile vacuole
  • cell membrane as an outer body covering
  • pseudopodia

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