1000+ Phylum - Protozoa MCQ for RRB JE [Solved]

1. 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

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

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

4. 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

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

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

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

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

9. Entamoeba differs from Amoeba in not having
A. nucleus
B. pseudopodia
C. ectoplasm
D. contractile vascule
Answer : D

10. 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

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

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

13. 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

14. 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

15. 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

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

17. 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

18. 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

19. 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

20. 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

21. 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

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

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

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

25. 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

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

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

28. 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

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

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

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

32. 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

33. 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

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

35. 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

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

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

38. Sporogony of malaria parasite occurs in
A. liver of man
B. RBC of man
C. stomach wall of mosquito
D. salivary glands of mosquito
Answer : C

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

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

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

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

43. 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

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

45. 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

46. 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

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

48. 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

49. 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

50. 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