1000+ Phylum - Protozoa MCQ for IBPS SO [Solved]

1. The schizogony cycle of Plasmodium takes place in
A. alimentary canal of mosquito
B. liver of man
C. liver and RBC of man
D. RBC of man
Answer : C

2. Protozoa which completely lack trophj organelles are classifed under
A. sporozoa
B. rhizopoda
C. ciliophora
D. flagellata
Answer : A

3. Sleeping sickness in man is caused by Trypanosoma by the bite of the infective
A. female Tsetse fly
B. male Tsetse fly
C. both male and female Tsetse flies
D. male and female aedes mosquito
Answer : C

4. The resultant cells of schizogony in the life history of malarial parasite are
A. schizonts
B. merozoites
C. ookinetes
D. sporozoites
Answer : B

5. Malaria is a disease transmitted by the bite of
A. male Culex
B. female Culex
C. male A nopheles
D. female Anopheles
Answer : D

6. Amoeba secretes digestive enzymes to hydrolyse
A. starch
B. sugar
C. proteins
D. all of these and fats
Answer : D

7. The Trx/panosoma causes sleeping sickness in man. It finally involves
A. liver
B. blood
C. brain
D. cerebro-spinal fluid
Answer : D

8. The pseudopodia ar formed in Amoeba
A. when it comes in contact with food particles
B. by movement of surrounding water
C. by exchange of salts with the medium
D. by sol-gel transformation of cytoplasm
Answer : D

9. An example of dimorphic protozoan is
A. Amoeba proteus
B. Paramecium caudatum
C. Plasmodium
D. Polystornella
Answer : D

10. All stages in the life cycle of malarial parasite are haploid except
A. gamout
B. ookinete
C. schizont
D. sporont
Answer : B

11. The intermediate host in the life cycle of �. histolytica is
A. Housefly
B. Mosquitoes
C. Tsetse fly
D. None of these
Answer : D

12. Ingestion of some water with food in Amoeba takes place by the process of
A. endosmosis
B. pinocytosis
C. phagocytosis
D. none of these
Answer : C

13. Method of food intake in Paramecium is
A. holozoic
B. holophytic
C. saprozoic
D. autozoic
Answer : A

14. A liver biopsy of a patient suffering from amoebic hepatic abscess would demonstrate the presence of
A. trophozoites
B. cysts
C. precystic stages
D. sporozoites
Answer : D

15. Malignant tertian malaria is caused by
A. P. ovale
B. P.vivax
C. P. malariae
D. P. falciparum
Answer : D

16. Locomotory organelles in the parasitic protozoa of class sporozoa are
A. cilia
B. flagella
C. pseudopodia
D. absent
Answer : D

17. N.M.E.P is the abbreviation of
A. Naitonal Mosquito Eridication Programme
B. National Malaria Elimination Programme
C. National Malaria Eradication Programme
D. National Malaria Elimination Process
Answer : C

18. Characters that are more useful in classification of animals are
A. morphological features
B. homologous features
C. analogous features
D. none of these
Answer : B

19. Incubation period of Plasmodium vwax is about
A. 6-8 weeks
B. 10-12 days
C. 15-20 days
D. 20-40 days
Answer : B

20. Attack of malaria occurs every fourth day when patient is infected by
A. Plasmodium ovale
B. Plasmodium malariae
C. Plasmodium falciparum
D. Plasmodium vivax
Answer : D

21. Under unfavourable conditions, the Amoeba reproduces by
A. binary fission
B. conjugation
C. encystment
D. endomixis
Answer : C

22. Golgi cycle in Plasmodium occurs in man, in
A. blood
B. RBC
C. liver cells
D. stomach
Answer : B

23. Which day is celebrated as Malaria day ?
A. 20th August
B. 15th August
C. 26th Janurary
D. 5th June
Answer : A

24. The infective stage of Entamoeba histolytica is
A. sporozoite
B. minuta form
C. mature cyst
D. trophic form
Answer : C

25. The zoological name of giant amoeba is
A. Amoeba proteus
B. Arcella sp.
C. Chaos chaos
D. Ovale sp.
Answer : C

26. If a fresh water Amoeba for some reason in unable to form contractile vacuole, it will
A. stop forming pseudopodia
B. stop manufacturing metabolic water
C. burst consequent to osmotic swelling
D. become static for some time
Answer : C

27. According to Whittaker's system of classification, all the living organisms are classifed into 5 kingdoms and Viruses are placed under
A. Monera
B. Protista
C. Protoctista
D. None of these
Answer : D

28. Benign tertian malaria is caused by
A. P. falciparum
B. P. vivax
C. P. malariae
D. P. ovale
Answer : B

29. Down stroke and recovery stroke are characteristic of
A. movement of pseudopodia
B. movement of flagella
C. movement of cilia
D. none of these
Answer : C

30. The path followed by a food vacuole in Paramecium is referred to as
A. cycloid
B. cyclic vascular path
C. cyclosis
D. cyclosphere
Answer : C

31. In Amoeba proteus, the term proteus is after the name of
A. the discoverer
B. a disease
C. a god
D. a place
Answer : C

32. Amoebiasis is caused by
A. Plasmodium vivax
B. Taenia solium
C. Entamoeba histolytica
D. Entamoeba gingimlis
Answer : C

33. Pseudopodia of Amoeba are important for
A. locomotion only
B. feeding only
C. both (a) and (b)
D. offence of defence
Answer : C

34. Trypanosoma is transmitted by
A. contamination
B. kissing
C. contagination
D. inoculation
Answer : D

35. When kerosene is sprayed on the stagnant water wherein the larvae of Anopheles develop, it
A. burns the body wall of the larvae
B. diffuses through the body wall and kills them
C. suffocates them to death
D. prevents contact of spiracles with air
Answer : D

36. The sexual phase of life cycle of Plasmodium is completed in
A. blood of man
B. liver of man
C. stomach of female anopheles
D. salivary glands of female anopheles
Answer : C

37. The cysts of E.histolytica develop in an infected individual in the
A. intestinal wall
B. lumen of intestine
C. tissues of man
D. areas of metastatic inversion
Answer : B

38. The mode of life of Plasmodium in man and mosquito respectively is
A. intracellular in both
B. intercellular in both
C. intracellular and intercellular
D. intercellular and intracellular
Answer : C

39. The catabolic wastes in Amoeba consist of
A. water and CO2
B. water, CO2 and minerals
C. Water, CO2, minerals and urea
D. all of these
Answer : C

40. African sleeping sickness or Gambiense fever is caused by
A. Entamoeba
B. Trypanosma
C. Leishmania
D. Trichomonas
Answer : B

41. The function of neuro-motor system of Paramecium is
A. co-ordination of various external stimuli
B. co-ordination of ciliary beat
C. control of contractile vacuole
D. any of these
Answer : B

42. Entamoeba gingivalis is a parasite in the
A. pharynx of man
B. unhealthy tissue around teeth of man
C. gum boil of man
D. infected salivary glands of man
Answer : B

43. Kala-azar is a disease caused by
A. Trypanosma gambiense transmitted by Tsetse fly
B. Leishmania donovani transmitted by sandfly
C. Taenia solium transmitted by infected pork
D. Wuchereria bancrofti transmitted by Culex
Answer : B

44. The oriental sores in human skin are caused by
A. Leishmania tropica
B. Phlebotomus
C. Balantidium
D. Leishmania donovani
Answer : A

45. Vector can be defined as
A. disease transmitting host
B. natural reservoir of disease causing organism
C. pathogenic organism
D. any kind of disease transmitting organism
Answer : D

46. Erythrocytic cycle of Plasmodium produces
A. schizonts
B. sporozoites
C. merozoites
D. metacryptomerozoites;
Answer : A

47. Malarial parasites could best be obtained from a patient
A. an hour before rise of temperature
B. when temeprature rises with rigor
C. when temeprature comes down to normal
D. five hours after the temperature reaches normal level.
Answer : D

48. The disease caused by Trypanosoma cruzi is
A. sleeping sickness
B. chaga's disease
C. kala azar
D. oriental sore
Answer : B

49. Which of the following organelles are associated with defence in Protozoans ?
A. Nematocysts
B. Statocysts
C. Trichocysts
D. Otocysts
Answer : C

50. The trophozoite of Plasmodium lives in
A. erythrocytes of man
B. liver cells
C. stomach of mosquito
D. blood plasma
Answer : A