SSC CGL - Phylum - Protozoa 1000+ MCQ [Solved] PDF Download

1. The type of pseudopodia found in Amoeba are
A. reticulopodia
B. lobopodia
C. actinopodia
D. aropodia
Answer : B

2. 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

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

4. 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

5. The disease caused by Entamoeba gingimlis is transmitted by
A. flies
B. kissing
C. air
D. mosquitoes
Answer : B

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

7. 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

8. 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

9. The cell anus in some protozoans known as
A. cytoproct
B. peristome
C. cytostome
D. none of these
Answer : A

10. 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

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

12. The only stage of malarial parasite that can survive in the stomach of mosquito is
A. ookinate
B. oocyst
C. gametocytes
D. sporozoites
Answer : C

13. 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

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

15. The transmission of Entamoeba histolytica takes place by
A. female anopheles mosquito
B. air
C. kisisng
D. contaminated food and water
Answer : A

16. 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

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

18. Trypanosoma gambiense inhabits the human body in the
A. blood
B. Lymph
C. blood and cerebrospinal fluid
D. cerebrospinal fluid
Answer : C

19. 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

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

21. Quinine, utilised in the treatment of malaria, is extracted from
A. cinnamom
B. cinchona
C. blister flies
D. red ants
Answer : B

22. 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

23. 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

24. Oocyst of Plasmodium develops from
A. female gametocyte
B. fertilised microgamete
C. fertilised macrogamete
D. ookinete
Answer : C

25. 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

26. 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

27. 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

28. Schizont stage in the life cycle of malarial parasite occurs in
A. erythrocytes of man
B. stomach of Anopheles
C. salivary glands of Anopheles
D. blood of man
Answer : A

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

30. The pseudopodia of Amoeba are meant for
A. feeding
B. offence and defence
C. locomotion
D. both (a) and (c)
Answer : D

31. 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

32. The shivering, a characteristic symptom of malaria, occurs when
A. sporozoites enter the blood
B. metacryptozoites are liberated from the liver cells
C. merozoites are liberated from RBC with toxin
D. schizonts are formed in the RBC
Answer : C

33. 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

34. Plasmalemma membrane covers thebody of
A. Taenia solium
B. Paramecium
C. Amoeba proteus
D. Plasmodium
Answer : C

35. 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

36. 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

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

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

39. Highly polypoid meganucleus is present in
A. flagellates
B. ciliates
C. sporozoans
D. rhizopodans
Answer : B

40. The giant Amoeba is
A. Amoeba proteus
B. Choas
C. Foraminifera
D. Pelomyxa
Answer : D

41. 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

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

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

44. The sporozoites of Plasmodium first attack
A. RBC
B. liver cells
C. muscles
D. intestine
Answer : B

45. The first generation in the asexual phase of Plasmodium in RBCs of man is known as
A. trophozoites
B. merozoites
C. metacryptomerozoi tes
D. phanerozoites
Answer : B

46. The cilia in Paramecium are
A. all equal
B. all unequal
C. longer at posterior side
D. longer at anterior side
Answer : C

47. Nitrogenous wastes in Amoeba are expelled through
A. plasmalemma
B. pseudopodia
C. hyaline cap
D. contractile vacuole
Answer : A

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

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

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