Phylum - Protozoa MCQ Solved Paper for FCI Recruitment

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

2. 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

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

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

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

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

7. 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

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

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

10. A food vacuole develops in Paramecium at the distal end of
A. cytopharynx
B. oral grove
C. cytostome
D. oesophagus
Answer : D

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

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

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

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

15. 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

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

17. 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

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

19. 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

20. 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

21. 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

22. The number of daughter paramecia produced following conjugation is
A. 8 from one conjugant
B. 8 from two conjugants
C. 16 from two conjugants
D. 8-16 from two conjugants
Answer : B

23. 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

24. 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

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

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

27. 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

28. 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

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

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

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

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

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

34. 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

35. 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

36. In the life cycle of Plasmodium, man is the
A. primary host
B. intermediate host
C. secondary host
D. alternative host
Answer : A

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

38. 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

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

40. In Plasmodium, gametocytes are formed by j the trophozoites in the RBS of man. They do not develop fully in RBC because of
A. antibodies present in blood
B. antigens present in blood
C. higher temperautre of blood
D. lower temeprature of blood
Answer : C

41. 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

42. Encystment in Amoeba serves for
A. perennation
B. reproduction
C. dispersal
D. all of these
Answer : D

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

44. A digenic protozoan parasite is
A. Monocystis
B. Amoeba
C. Plasmodium
D. Opalina
Answer : D

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

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

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

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

49. 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

50. 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