MCQOPTIONS
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MCQOPTIONS
This section includes 99 Mcqs, each offering curated multiple-choice questions to sharpen your Protozon knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Organ of defense in protozoans is |
| A. | statocysts |
| B. | trichocysts |
| C. | otocysts |
| D. | nematocysts |
| Answer» C. otocysts | |
| 52. |
Protozoa are classified on the basis of |
| A. | locomotory organelle |
| B. | shape |
| C. | number of nuclei |
| D. | size |
| Answer» B. shape | |
| 53. |
Which class does the malarial parasite belong to? |
| A. | dinophyceae |
| B. | sarcodina |
| C. | ciliata |
| D. | sporozoa |
| Answer» E. | |
| 54. |
In Amoeba and Paramecium, the cell organelle for osmoregulation is |
| A. | nucleus |
| B. | body surface |
| C. | contractile vacuole |
| D. | pseudopodia |
| Answer» D. pseudopodia | |
| 55. |
Which of the following organisms will vanish if all the ponds and puddles are destroyed? |
| A. | Plasmodium |
| B. | Trypanosoma |
| C. | Leishmania |
| D. | Ascaris |
| Answer» B. Trypanosoma | |
| 56. |
Unicellular eukaryotes are grouped in |
| A. | Monera |
| B. | Protista |
| C. | Archaea |
| D. | Fungi |
| Answer» C. Archaea | |
| 57. |
Entamoeba differs from Amoeba in having: |
| A. | One contractile vacuole |
| B. | Two contractile vacuoles |
| C. | No contractile vacuoles |
| D. | None of these respects |
| Answer» D. None of these respects | |
| 58. |
Entamoeba histolytica has: |
| A. | One pseudopodium |
| B. | Two pseudopodia |
| C. | No pseudopodia |
| D. | Several irregular pseudopodia |
| Answer» B. Two pseudopodia | |
| 59. |
Entamoeba histolytica causes: |
| A. | Dysentery |
| B. | Typhoid |
| C. | Malaria |
| D. | Filaria |
| Answer» B. Typhoid | |
| 60. |
Schizont stage of life cycle of malarial parasite occurs in: |
| A. | RBC of man |
| B. | Stomach of mosquito |
| C. | Blood of mosquito |
| D. | None of these |
| Answer» B. Stomach of mosquito | |
| 61. |
Amoeba never dies because: |
| A. | Cytoplasm is not differentiated into somatoplasm and germplasm |
| B. | Cytoplasm is not differentiated into ectoplasm and endoplasm |
| C. | Animal has a strong armature around its body |
| D. | It is not an organism |
| Answer» B. Cytoplasm is not differentiated into ectoplasm and endoplasm | |
| 62. |
Entamoeba is a: |
| A. | Monogenetic parasite |
| B. | Digenetic parasite |
| C. | Polygenetic parasite |
| D. | None of these |
| Answer» B. Digenetic parasite | |
| 63. |
Pathogenic nature of Entamoeba was established by: |
| A. | Losch |
| B. | Mast |
| C. | Lamble |
| D. | None of these |
| Answer» B. Mast | |
| 64. |
Amoeba, against mild electric current moves towards: |
| A. | Cathode |
| B. | Anode |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Anode | |
| 65. |
Protozoan showing bioluminiscence is: |
| A. | Giardia |
| B. | Noctiluca |
| C. | Balantidum |
| D. | None of these |
| Answer» B. Noctiluca | |
| 66. |
Protozoans showing polymorphism are: |
| A. | Arcella and Entamoeba |
| B. | Leishmania and Trypanosoma |
| C. | Paramecium and Balantidium |
| D. | All of these |
| Answer» C. Paramecium and Balantidium | |
| 67. |
Prepatient period in malaria is between: |
| A. | Innoculation and first fever |
| B. | Liver cycle and RBC cycles |
| C. | Innoculation and first release of merozoites |
| D. | Innoculation in mosquito and sporozoite formation |
| Answer» D. Innoculation in mosquito and sporozoite formation | |
| 68. |
Locomotory organs in protozoans are: |
| A. | Arcella and Entamoeba |
| B. | Leishmania and Trypanosoma |
| C. | Paramecium and balantidium |
| D. | All of these |
| Answer» E. | |
| 69. |
Infective stage of Plasmodium to man (primary host) is: |
| A. | Sporozoite |
| B. | Merozoite |
| C. | Gametocyte |
| D. | Cryptomerozoite |
| Answer» B. Merozoite | |
| 70. |
Plasmodium is a: |
| A. | Digenetic parasite |
| B. | Monogenetic parasite |
| C. | Polygenetic parasite |
| D. | None of these |
| Answer» B. Monogenetic parasite | |
| 71. |
Discovery that malaria is caused by malarial parasite (Plasmodium) was made by: |
| A. | Laveron |
| B. | Grossi |
| C. | Ronald Ross |
| D. | |
| Answer» D. | |
| 72. |
If Entamoeba histolytica is placed in distilled water, it will: |
| A. | Burst |
| B. | Enlarge |
| C. | Shrink |
| D. | Not affected |
| Answer» B. Enlarge | |
| 73. |
Malaria is caused by: |
| A. | Ascaris |
| B. | Plasmodium |
| C. | |
| D. | D. |
| Answer» C. | |
| 74. |
Contractile vacuole in protozoans serves which of these functions: |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 75. |
Infective stage of entamoeba histolytica is: |
| A. | Precystic form |
| B. | Quadrinucleate cyst |
| C. | Binucleate cyst |
| D. | All of these |
| Answer» C. Binucleate cyst | |
| 76. |
Entamoeba histolytica is found in the man in: |
| A. | Colon |
| B. | Small intestine |
| C. | Oval cavity |
| D. | Stomach |
| Answer» B. Small intestine | |
| 77. |
Pseudopodia of Amoeba are: |
| A. | Lobopodia |
| B. | Filopodia |
| C. | Axopodia |
| D. | All of these |
| Answer» B. Filopodia | |
| 78. |
Multinucleate Amoeba is: |
| A. | Amoeba verrucosa |
| B. | Pelomyxa plaustris |
| C. | Amoeba radiosa |
| D. | Amoeba discoides |
| Answer» C. Amoeba radiosa | |
| 79. |
Biurete and triurete crystals of Amoeba are formed of: |
| A. | Urea |
| B. | Uric acid |
| C. | Guanine |
| D. | Carbonyl diurea |
| Answer» E. | |
| 80. |
Food vacuole in Amoeba is analogous to: |
| A. | Digestive tract of higher animals |
| B. | Circulatory system of high animals |
| C. | Only mouth of higher animals |
| D. | None of these |
| Answer» B. Circulatory system of high animals | |
| 81. |
Cytopyge is absent in: |
| A. | Paramecium caudatum |
| B. | Balantidium |
| C. | Amoeba |
| D. | None of these |
| Answer» D. None of these | |
| 82. |
Nucleus in Amoeba is: |
| A. | Round |
| B. | Oval |
| C. | Bun-shaped |
| D. | Triangular |
| Answer» D. Triangular | |
| 83. |
Contractile vacuole in Amoeba and Euglena differ in: |
| A. | Fixed place at anterior and with many small vacuoles around it |
| B. | Variable position with radiating canals |
| C. | Presence of two permanent contractile vacuoles |
| D. | None of these |
| Answer» B. Variable position with radiating canals | |
| 84. |
Pellicle is present in: |
| A. | Amoeba verrucosa |
| B. | Amoeba proteus |
| C. | Amoeba dubia |
| D. | None of these |
| Answer» B. Amoeba proteus | |
| 85. |
Hav-infusion method is used for culture of: |
| A. | Amoeba and paramecium |
| B. | Euglena |
| C. | Balantidium |
| D. | None of these |
| Answer» B. Euglena | |
| 86. |
Amoeba proteus name was given on the 'Sea God' because it: |
| A. | Changes its shape like him |
| B. | Is unicellular |
| C. | Is naked |
| D. | Has all of these |
| Answer» B. Is unicellular | |
| 87. |
Largest fresh water protozoa is: |
| A. | Paramecium caudatum |
| B. | Pelomyxa palustris |
| C. | Vorticella minim |
| D. | Spirostomum ambiguum |
| Answer» C. Vorticella minim | |
| 88. |
Which of these is a marine amoeba: |
| A. | Amoeba radiosa |
| B. | Thecameoba orbis |
| C. | Amoeba verrucosa |
| D. | Amoeba dubina |
| Answer» C. Amoeba verrucosa | |
| 89. |
Natural death does not occur in: |
| A. | Porifera |
| B. | Protozoans |
| C. | Echinoderms |
| D. | None of these |
| Answer» C. Echinoderms | |
| 90. |
Branch of zoology related with the study of protozoans is: |
| A. | Parazoology |
| B. | Proteology |
| C. | Protology |
| D. | Protozoology |
| Answer» E. | |
| 91. |
Who gave acellular concept for protozoans? |
| A. | Dobell |
| B. | Von Seibold |
| C. | Cuvier |
| D. | None of these |
| Answer» B. Von Seibold | |
| 92. |
Name protozoa was given by: |
| A. | Goldfuss |
| B. | Hall |
| C. | Jablot |
| D. | None of these |
| Answer» B. Hall | |
| 93. |
First studied protozoa by Leeuwenhoek was: |
| A. | Amoeba |
| B. | Euglena |
| C. | Vorticella |
| D. | None of these |
| Answer» D. None of these | |
| 94. |
Protozoa were first discovered by: |
| A. | Pasteur |
| B. | Leeuwenhoek |
| C. | Darwin |
| D. | Kudo |
| Answer» C. Darwin | |
| 95. |
Pellicle is found in: |
| A. | Amoeba |
| B. | Euglena |
| C. | Euglena and paramecium |
| D. | All of these |
| Answer» D. All of these | |
| 96. |
Amoeba is called naked because: |
| A. | It is single celled |
| B. | It has a delicate plasma membrane |
| C. | It is uninucleated |
| D. | It has all of these |
| Answer» C. It is uninucleated | |
| 97. |
Entamoeba gingivalis is found in: |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» C. C. | |
| 98. |
Trophozoite of Entamoeba reporduces by: |
| A. | Binary fission |
| B. | Multiple fission |
| C. | Conjugation |
| D. | None of these |
| Answer» C. Conjugation | |
| 99. |
Which of these is a parasite: |
| A. | Musca domestica |
| B. | Entamoeba |
| C. | Euglena viridis |
| D. | Hydra fusca |
| Answer» C. Euglena viridis | |