Phylum - Protozoa 1000+ MCQ with answer for RRB NTPC

1. 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

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

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

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

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

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

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

8. 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

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

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

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

12. 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

13. 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

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

15. 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

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

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

18. 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

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

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

21. 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

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

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

24. 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

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

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

27. 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

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

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

30. 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

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

32. 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

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. 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

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

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

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

38. 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

39. 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

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

41. 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

42. 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

43. 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

44. 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

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

46. 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

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

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

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

50. 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