Phylum - Protozoa 1000+ MCQ with answer for CAT

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

2. 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

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

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

5. 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

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

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

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

9. The ecological niche of Entamoeba histolytica is
A. small intestine of man
B. arge intestine of man
C. fresh water body such as ponds, rivers etc.
D. stagnaant water
Answer : B

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. 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

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

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

14. The life-cycle of malarial parasite in liver is called
A. erythrocytic stage
B. pre-erythrocytic stage
C. exo-erythrocytic stage
D. post-erythrocytic stage
Answer : B

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

16. 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

17. 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

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

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

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

21. Inoculation in malaria is out of question because
A. Plasmodium produces minute bodies
B. Plasmodium produces antitoxins
C. Plasmodium produces antitoxins and antibodies
D. All of these
Answer : A

22. 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

23. 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

24. 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

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

26. 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

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

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

29. 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

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

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

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

33. 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

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

35. 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

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

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

38. 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

39. 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

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

41. 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

42. RBCs are found in the food vacuoles of
A. Amoeba proteus
B. Hydra viridissima
C. Leishmania donovani
D. Entamoeba histolytica
Answer : C

43. 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

44. 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

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

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

47. 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

48. 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

49. 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

50. Sleping 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