

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.
1. |
Erythrocytic cycle starts with the invasion of RBCs by: |
A. | Sporozoites |
B. | Cryptomerozoites |
C. | Gametocytes |
D. | None of these |
Answer» C. Gametocytes | |
2. |
Papacrine and Paludrin are drugs used for the treatment of: |
A. | Malaria |
B. | Filaria |
C. | Kala-azar |
D. | All of these |
Answer» B. Filaria | |
3. |
Pseudopodia in Amoeba help mainly in: |
A. | Locomotion |
B. | Food capturing |
C. | Both (a) & (b) |
D. | None of these |
Answer» D. None of these | |
4. |
Cryptomerozoites in the life cycle of Plasmodium are formed in: |
A. | RBCs of man |
B. | Liver cells of man |
C. | Oocysts |
D. | Salivary glands of mosquito |
Answer» C. Oocysts | |
5. |
Zygote of Plasmodium formed after fertilization is: |
A. | Motile |
B. | Motile and called ookinete |
C. | Non-motile |
D. | None-motile and is called sporocyst |
Answer» C. Non-motile | |
6. |
Cocysts of Plasmodium are found in: |
A. | Gut of man |
B. | Gut of mosquito |
C. | Bolld of man |
D. | Blood of mosquito |
Answer» C. Bolld of man | |
7. |
Which of these stages of Plasmodium escapes the stomach of mosquito: |
A. | Sporozoite |
B. | Merozoite |
C. | Trophozoite |
D. | Gametocyte |
Answer» E. | |
8. |
Infective stages of Entamoeba histolytica are spread by: |
A. | Mice |
B. | Mosquitoes |
C. | House-files |
D. | Beg-bugs |
Answer» D. Beg-bugs | |
9. |
Black water fever' is caused by: |
A. | Plasmodium ovale |
B. | P.malariae |
C. | P. vivax |
D. | P. falciparum |
Answer» E. | |
10. |
What is common between Trypanosoma, honey bee and physalia: |
A. | All have glagella |
B. | All have polymorphism |
C. | All have coelenteron |
D. | None of these |
Answer» C. All have coelenteron | |
11. |
Recurrence of fever after every 72 hours occurs in: |
A. | Malignant tertian malaria |
B. | Benign tertian malaria |
C. | Quartan malaria |
D. | Quotidian malaria |
Answer» D. Quotidian malaria | |
12. |
Amoeba excretes by: |
A. | Contractile vacuole |
B. | Plasmalemma |
C. | Pseudopodia |
D. | None of these |
Answer» C. Pseudopodia | |
13. |
Kala-azar' is caused by: |
A. | Leishmania |
B. | Trypanosoma |
C. | Entamoeba |
D. | None of these |
Answer» B. Trypanosoma | |
14. |
Sporogony in Plasmodium involves repeated divisions of: |
A. | Zygote in mosquito to produce numerous sporozoites |
B. | Sprozoites in man to produce numerous gametes |
C. | Zygote in mosquito to form many merozoites |
D. | Zygote in man to form numerous sporozoites |
Answer» B. Sprozoites in man to produce numerous gametes | |
15. |
Meganucleus of paramecium is meant for: |
A. | Reproduction |
B. | Metabolic and vegetative functions |
C. | Behaviour control |
D. | None of these |
Answer» C. Behaviour control | |
16. |
Changas disease' is caused by: |
A. | T.gambiense |
B. | T.cruzi |
C. | T.rhodesiense |
D. | None of these |
Answer» C. T.rhodesiense | |
17. |
Sleeping sickness' is caused by: |
A. | Entamoeba |
B. | Plasmodium |
C. | Trypanosoma |
D. | None of these |
Answer» D. None of these | |
18. |
Water current drawn by Paramecium with the vestibular cilia is: |
A. | Vortex |
B. | Cortex |
C. | Both (a) & (b) |
D. | None of these |
Answer» B. Cortex | |
19. |
Which of these is not used for malarial test: |
A. | GBP |
B. | IHA |
C. | ELISA |
D. | None of these |
Answer» E. | |
20. |
What will happen if a marine protozoan is transferred to fresh water: |
A. | It bursts |
B. | It enlarges but shrinks again |
C. | It shrinks |
D. | It does not have any effect |
Answer» C. It shrinks | |
21. |
Amoebic dysentery is caused by: |
A. | Entamoeba histolytica |
B. | E. Coli |
C. | E.Gingivolis |
D. | None of these |
Answer» B. E. Coli | |
22. |
Which of these protozoan is unlikely to have a contractile vacuole: |
A. | Paramecium caudatum |
B. | Plasmodium |
C. | Euglena |
D. | Amoeba proteus |
Answer» C. Euglena | |
23. |
What will happen to contractile vacuole of Amoeba if a fresh water amoeba is kept in a medium of high osmotic potential? |
A. | It will work faster |
B. | It will remain unaffected |
C. | It will stop forming |
D. | It will remain unaffected |
Answer» D. It will remain unaffected | |
24. |
Sporogony of malarial parasite occurs in: |
A. | Liver of man |
B. | Stomach of mosquito |
C. | RBC of man |
D. | None of these |
Answer» C. RBC of man | |
25. |
Prepatient period in plasmodium falciparum is: |
A. | 8 days |
B. | 5 |
C. | 14 - 15 days |
D. | 9 days |
Answer» C. 14 - 15 days | |
26. |
Bening and tertian malaria is caused by: |
A. | Plasmodium vivax |
B. | Plasmodium ovale |
C. | Both (a) & (b) |
D. | None of these |
Answer» D. None of these | |
27. |
Quinine, used as remedy for malaria is extracted from: |
A. | Bark of Cinchona plant |
B. | Bark of Cineinon |
C. | Oscimum leaves |
D. | None of these |
Answer» B. Bark of Cineinon | |
28. |
Entamoeba histolytica differs from Amoeba is not having a: |
A. | Nucleus |
B. | Food vacuole |
C. | Contractile vacuole |
D. | None of these |
Answer» D. None of these | |
29. |
Hw many amoebae are formed by a cyst of Entamoeba histolytica: |
A. | Two |
B. | Four |
C. | Eight |
D. | One |
Answer» D. One | |
30. |
Ookinete is the name of zygote of: |
A. | Plasmodium |
B. | Entamoeba |
C. | Leishmania |
D. | None of these |
Answer» B. Entamoeba | |
31. |
Stage of Plasmodium infective to primary host is transmitted by secondary host in form of: |
A. | Sporozoite |
B. | Schizont |
C. | Ookinete |
D. | Merozoite |
Answer» B. Schizont | |
32. |
Stage of Plasmodium infective to man is transmitted by: |
A. | Innuculation of female anopheles |
B. | Innuculation of male anopheles |
C. | Innuculation of male culex |
D. | Innuculation of female culex |
Answer» B. Innuculation of male anopheles | |
33. |
Mode of nutrition of Paramecium is: |
A. | Holozic |
B. | Holophytic |
C. | Saprozoic |
D. | Saprophytic |
Answer» B. Holophytic | |
34. |
During unfavourable conditions, the Amoeba reproduces by: |
A. | Sporulation |
B. | Binary fission |
C. | Conjugation |
D. | Endomexis |
Answer» B. Binary fission | |
35. |
Defensive organelles in Paramecium are which of these: |
A. | Trichocysts |
B. | Nematocysts |
C. | Sporocysts |
D. | Oocysts |
Answer» B. Nematocysts | |
36. |
Stage of Plasmodium occurring in human liver cells is: |
A. | Erythrocytic cycle |
B. | Pre-erythrocytic cycle |
C. | Gamogony |
D. | Sporogony |
Answer» C. Gamogony | |
37. |
Resultants of schiziogony in malarial parasite are: |
A. | Merozoites |
B. | Schizonts |
C. | Sporozoites |
D. | Ookinetes |
Answer» C. Sporozoites | |
38. |
Malarial parasite can be best obtained from the blood of patient: |
A. | One hour before rise of temperature |
B. | When temperature rise with rigor |
C. | Any time |
D. | Five hours after temperature becomes normal |
Answer» E. | |
39. |
Trypanosomiasis' is transmitted by: |
A. | tse-tse fly |
B. | Sand-fly |
C. | C. |
D. | D. |
E. | |
Answer» B. Sand-fly | |
40. |
Nutrition in Amoeba is: |
A. | Holozoic |
B. | Holophytic |
C. | Saprozoic |
D. | None of these |
Answer» B. Holophytic | |
41. |
The total area of each of the two daughter amoebae soon after binary fission of a mature amoeba is: |
A. | Same as that of the parent |
B. | Equal to half of each parent |
C. | Slightly less than half of each parent |
D. | Slightly more than half of each parent |
Answer» B. Equal to half of each parent | |
42. |
Fresh water protozoa respire by: |
A. | Contractle vacuole |
B. | Plasma membrane |
C. | Both (a) & (b) |
D. | None of these |
Answer» C. Both (a) & (b) | |
43. |
Entamoeba histolytica dies soon if kept in fresh water because: |
A. | It has no contractile vacuole |
B. | It has no food vacuole |
C. | It has no pseudopodia |
D. | It has no food |
Answer» C. It has no pseudopodia | |
44. |
Secondary host for sleeping sickness parasite is: |
A. | Sand-fly |
B. | House-fly |
C. | C. |
D. | D. |
E. | |
Answer» B. House-fly | |
45. |
Secondary host for malarial parasite is: |
A. | Male anopheles |
B. | Female anopheles |
C. | Male culex |
D. | Female culex |
Answer» D. Female culex | |
46. |
Which of these has only one host: |
A. | Entamoeba |
B. | Plasmodium |
C. | Both (a) & (b) |
D. | None of these |
Answer» C. Both (a) & (b) | |
47. |
Which of the following protozoan causes African sleeping sickness |
A. | Plasmodium vivax |
B. | Entamoeba gingivalis |
C. | Trypanosoma lewsii |
D. | Trypanosoma gambiense |
Answer» E. | |
48. |
Trypanosoma belongs to which of the following group? |
A. | mastigophora |
B. | sarcodina |
C. | sporozoa |
D. | ciliata |
Answer» B. sarcodina | |
49. |
Which of the following class of protozoa does not generally contain contractile vacuole? |
A. | Sporozoa |
B. | Rhizopoda |
C. | Flagellata |
D. | Cilliata |
Answer» B. Rhizopoda | |
50. |
Which of the following is not a characteristic feature of prtozoans |
A. | binary fission |
B. | contractile vacuole |
C. | cell membrane as an outer body covering |
D. | pseudopodia |
Answer» D. pseudopodia | |