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

1. Which of the following is a correct matching ?
A. Yellow fever mosquitoes toga virus B
B. Rabies saliva myxomavirus
C. Poliomyelitis fleas poliovirus
D. Tobacco mosaic disease aphids tobacco mosaic virus
Answer : A

2. 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

3. Mild tertian malaria is caused by
A. Plasmodium vivax
B. Plasmodium falciparum
C. Plasmodium ovale
D. Plasmodium malariae
Answer : A

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

5. Process of reconstitution of nuclei in a single paramecium without fusion of gametic nuclei is
A. endomixis
B. hemimixis
C. cytogamy
D. none of these
Answer : A

6. 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

7. Alternation of generations is otherwise known as
A. Epigenesis
B. Metagenesis
C. Biogenesis
D. Dimorphism
Answer : B

8. In Paramecium, proteins are digested
A. partly in endoplasm and partly in food vacuole
B. during the acid phase of the food vacuole
C. during the alkaline phase of the food vacuole
D. both (b) and (c)
Answer : D

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

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

11. Nuclear dimorphism is observed in
A. Entamoeba
B. Plasmodium
C. Paramecium
D. Trypanosoma
Answer : C

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

13. The erthrocytic phase of the life cycle of Plasmodium passes in
A. the stomach of female amopheles mosquito
B. parenchymatous cells of liver of man
C. erythrocytes of man
D. erythrocytes and blood of man
Answer : B

14. 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

15. Trypanosoma shows the phenomenon of
A. amorphism
B. dimorphism
C. trimorphism
D. polymorphism
Answer : D

16. Sporozoites of Plasmodium vivax are produced from
A. ookinete
B. gametocytes
C. merozoites
D. sporoblasts
Answer : C

17. 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

18. The intermediate host of malarial parasite is
A. Man
B. Female Anopheles
C. Culex
D. Monkeys
Answer : B

19. 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

20. The digestive enzymes in Paramecium are secreted in
A. food vacuoles directly
B. lysosomes and then released into food vacuole
C. endoplasm and then pass into food vacuole
D. both lysosomes and endoplasm
Answer : B

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

22. 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

23. 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

24. Trophozoites of E.histolytica reproduced by
A. binary fission
B. conjugation
C. autogamy
D. budding
Answer : A

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

26. In a Paramecium, the trichocysts are used for
A. fight or flight response
B. defence
C. offense
D. both (b) and (c)
Answer : B

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

28. The energy for Amoeba for doing work comes from
A. diffusion of ATP molecules from ingested organisms
B. oxidation of nutrients to form ATP
C. free energy
D. all of these
Answer : B

29. Treatment of the infection by malarial parasite in the principal host is studied under
A. chemo-therapy
B. chemo-diagnosis
C. chemo-prophy laxis
D. prophylaxis
Answer : A

30. n Amoeba, when transferred from pond water to distilled water, forms
A. contractile vacuoles at a slower rate
B. contractile vacuoles at a faster rate
C. contractile vacuoles at the same rate
D. no contractile vacuoles
Answer : B

31. 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

32. The trophozoite of Entamoeba histolytica reproduces by
A. binary fission
B. sporulation
C. amitosis
D. mitosis
Answer : A

33. Gametocytes of Plasmodium are formed in
A. liver of man
B. blood of man
C. RBC of man
D. stomach of female mosquito
Answer : C

34. The micronucleus in Paramecium is concerried with
A. vegetative function of the body
B. all the functions of the body
C. reproductive function of the body
D. locomotion
Answer : B

35. When the causes ot malaria was not known, it was supposed to be cuased by
A. dirty water
B. foul air
C. mosquito
D. housefly
Answer : B

36. Asexual reproduction during schizogony of malarial parasite is a kind of
A. binary fission
B. budding
C. fragmentation
D. multiple fission
Answer : D

37. The process of reconstitution of macro-nulceus in Paramecium without any change in micro-nucleus is called
A. Cytogamy
B. Hemimixis
C. Endomixis
D. Autogamy
Answer : D

38. Gametocytes of Plasmodium are produced in the
A. stomach of mosquito
B. erythrocytes of man from schizonts
C. erythrocytes of man from merozoites
D. all of these
Answer : C

39. Trypanosomiasis is a disease, transmitted by vector
A. Louse
B. Tsetse fly
C. Mayfly
D. Firefly
Answer : B

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

41. 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

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

43. The life cycle of Plasmodium in human blood is called
A. schizogony
B. syngamy
C. exo-erythro cytic schizogony
D. sporogony
Answer : A

44. 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

45. 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

46. 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

47. The rossette stage in lif^ cycle of Plasmodium is found in
A. blood of man
B. RBC of man
C. liver of man
D. stomach of Anopheles mosquito
Answer : B

48. 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

49. The feeding stage in the life cycle of PlasA tnodium is
A. merozoite
B. sporozoite
C. cryptozoite
D. trophozoite
Answer : D

50. In an electric field, the Paramecium moves
A. towards the negative pole
B. towards the positive pole
C. around to avoid effect of current
D. forms cyst and does not move
Answer : A