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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of the following animal dimorphic nucleus is foundA. Amoeba proteusB. Plasmodium vivaxC. ParameciumD. Trypanosoma gambiense |
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Answer» Correct Answer - C Paramecium caudatum shows nuclear dimorphism. There are two type of nuclei - a large bean shaped polyploid vegatatives nucleus called macronucleus and a small rounded diploid reproductive nucleus known as micronucleus. |
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| 2. |
Chief advantage of encystment to an Amoeba isA. The chance to get rid of accumulated waste productsB. The ability to survive during adverse physical conditionsC. The ability to live for some time without ingesting foodD. Protection from parasites and predators |
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Answer» Correct Answer - B Amoeba forms a cyst and reptoduces by multiple fissions, during adverse environmental condition. |
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| 3. |
Infection of Entamoeba histoloytica is prevented byA. Avoiding kissingB. Avoiding clothese of patientC. Uncontaminated foodD. None of the above |
| Answer» Correct Answer - C | |
| 4. |
Entamoeba histolytica infection ocuurs throughA. Contaminated water and foodB. SweatC. Birds droppingsD. Mosquito bites |
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Answer» Correct Answer - A Infection depends upon intake of food or water contaminated with faecal matter containing tetranucleated cyst of E. histolytica. |
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| 5. |
Assertion : Trichomonas vaginalls causes infection only in women. Reason : Trichomonas buccalis lives in the buccal cavity.A. If both the assertion and the reason ate true but the reason is not correct explanation of the assertionB. If both the assertion and the reason ate true and the reason is a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If the assertion is false but the reason is true |
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Answer» Correct Answer - D Trichomonas vaginalis inhibits vagina of women and causes the disease known as leucorrhoea. In males the parasite produces irritation in urethra. Trichomonas buccalis resides in the buccal cavity, which is nearly harmless. |
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| 6. |
The active form of Entamoeba-histolytica feeds uponA. Mucosa and submucosa of colon onlyB. Food in intestineC. Blood onlyD. Erythrocytes, mucosa and submucosa of colon |
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Answer» Correct Answer - D Magna (Trophozoite) stage of Entamoeba histolytica feeds on mucus and RBC. |
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| 7. |
Which infective stage of the plasmodium contained by the female Anopheles that transfer into human body and causes malariaA. MesozoitesB. GametocyteC. SporozoiteD. Schizont |
| Answer» Correct Answer - C | |
| 8. |
Centric discoid form of diatom isA. DiploneisB. CoscinodiscusC. StephanodiscusD. Camphyloneis |
| Answer» Correct Answer - B | |
| 9. |
Sandfly is causative agent ofA. Kala-azarB. Sleeping sicknessC. TyphoidD. Dysentery |
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Answer» Correct Answer - A Leishmania donovani is the parasite of kala-azar or dum-dum fever. These parasite is transmitted by sand fly. |
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| 10. |
Cell wall are preserved as fossils in one of the followingA. DinophyceaeB. BacillariophyceaeC. CyanophyceaeD. Euglenophyceae |
| Answer» Correct Answer - B | |
| 11. |
Infective slage of Entamoeba histolytica isA. TrophozoiteB. Pre-cystC. Uninucleate cystD. Tetranucleate cyst |
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Answer» Correct Answer - D Tetranucleate (= Quadri) cyst is infected stage of Entamoeba histolytica. Infection is oral through contaminated food and water. |
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| 12. |
Murein is not found in the cell wall ofA. NostocB. EubacteriaC. CyanobacteriaD. Diatoms |
| Answer» Correct Answer - D | |
| 13. |
Euglena is aA. CiliateB. SporozoanC. FlagellateD. Sarcodine |
| Answer» Correct Answer - C | |
| 14. |
Flagellum of Astasia/Euglena isA. PantonematicB. AcronematicC. PantachronematicD. Stichonematic |
| Answer» Correct Answer - D | |
| 15. |
Which animal exhibits sexual dimorhismA. LobosaB. CiliataC. SporozoansD. Radiolarians |
| Answer» Correct Answer - A | |
| 16. |
Which one is correct pairingA. Hydra-AnthozoaB. Paramecium-ArachnidaC. Plasmodium-SporozoaD. Amoeba-Ciliata |
| Answer» Correct Answer - C | |
| 17. |
Slipper animalcule isA. ParameciumB. TrypanosomaC. EntamoebaD. Protozoa |
| Answer» Correct Answer - A | |
| 18. |
Which one resides in the mouth of human beingsA. Entamoeba coliB. Entamoeba histolyticaC. Entamoeba gingivalisD. Amoeba proteus |
| Answer» Correct Answer - C | |
| 19. |
In life cycle of Plasmodium, exflagellation is seen inA. MicrogametocytesB. TrophozoitesC. MacrogametocytesD. Merozoites |
| Answer» Correct Answer - A | |
| 20. |
Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclie for reproductionA. EuglenaB. AmoebaC. ParameciumD. Trypanosoma |
| Answer» Correct Answer - C | |
| 21. |
Presence of two tyoes of nuclei, micronucleus and macronucleus, is characteristic of protistan groupA. SporozoaB. CiliataC. FlagellataD. Sarcodina |
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Answer» Correct Answer - B Two different type of nucleus, present in ciliata group are micronucleus and macronucleus. Micronucleus take part in reproduction while macronucleus is large kidney shaped which control matabolism. |
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| 22. |
In Paramecium, both autogamy and Conjugation are sexual processess because ofA. Gene recombinationB. Involvement of two individualsC. Fusion of two haploid nucleiD. Rejuvenation |
| Answer» Correct Answer - C | |
| 23. |
Which is not true for ParameciumA. Under unfavourable conditions, forms cystsB. Presence of large number of cilia on whole body surfaceC. Contain contractile vacuoles for osmoregulationD. Use pseudopodia for capturing prey |
| Answer» Correct Answer - D | |
| 24. |
The cilia in Paramecium areA. All equalB. All unequalC. Longer at posterior endD. Longer at anterior end |
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Answer» Correct Answer - C The cilia of extreme posterior end are longer and form a bunch called caudal tuft. |
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| 25. |
The class of Trichonympha isA. CalcariaB. ScyphozoaC. SporozoaD. Mastigophora |
| Answer» Correct Answer - D | |
| 26. |
Paramecium is aA. ProtozoanB. BacteriumC. VirusD. Annelid |
| Answer» Correct Answer - A | |
| 27. |
Monocystics belong to the orderA. GregarinidaB. CoccidiaC. MicrosporidiaD. Sarcosporidia |
| Answer» Correct Answer - A | |
| 28. |
Assertion : Amoeba contains a contractile vacuole. Reason : It helps in both digestion and osmoregulation.A. If both the assertion and the reason are true but the reason is not correct explanation of the assertionB. If both the assertion and the reason are true and the reason is a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - C Contractile vacuole in Amoeba is a single, clear rounded pulsating structure which is filled with a watery fluid and enclosed by a unit membrane. It helps in the osmoregulation and excretory activities. Digestion in Amoeba occurs in the food vacuoles. These are spherical species small and large, contain water and food in various phase of digestion. As soon as the egestion of non digestion food occurs through body these get disappear. |
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| 29. |
Which protozoan in unlikely to have a contractile vacuoleA. EuglenaB. ParameciumC. AmeobaD. Plasmodium |
| Answer» Correct Answer - D | |
| 30. |
Sexual reproduction in protists with diploid chromosomes involvesA. Cyst formationB. Zygotic meiosisC. Gametangial meiosisD. Binary fission |
| Answer» Correct Answer - C | |
| 31. |
Protists obtain food asA. Photosynthesisers, symboints and holotrophsB. PhotosynthesisersC. ChemosynthesisersD. Holotrophs |
| Answer» Correct Answer - A | |
| 32. |
Nutrition in protists isA. HolophyticB. HolozoicC. SaprozoicD. All of these |
| Answer» Correct Answer - D | |
| 33. |
Protists are 1. Unicellular and prokaryote 2. Unicellular and eukaryote 3. Multicellular and eukaryote 4. Autotroph and heterotrophA. 1+2+3B. 2+3+4C. 3+4D. 2+4 |
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Answer» Correct Answer - D Protists are prititive single celled organism with cell organised nucleus, which shows auto as well as heterotrophic mode of nutrition. |
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| 34. |
Plasmodium, the malarial parasite, belongs to classA. SarcodinaB. CiliataC. SporozoaD. Dinophyceae |
| Answer» Correct Answer - C | |
| 35. |
Passive food ingestion in Amoeba is known asA. ImportB. InvaginationC. CircumfluenceD. Circumvallation |
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Answer» Correct Answer - A Import involves passive sinking of food into body by rupture of plasmalemma, e.g., Ingestion of algae. |
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| 36. |
E. histolytica does not showA. Binary fissionB. BuddingC. EncystationD. Excystation |
| Answer» Correct Answer - B | |
| 37. |
Protists containsA. Euglena, Dinoflagellates and YeastB. Amoeba, Paramaecium, HydraC. Euglena, Paramaecium, MushroomD. Amoeba, Paramaecium and Dinoflagellates |
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Answer» Correct Answer - D Amoeba and Paramecium are protozoan protist while dinoflagellates are photosynthetic protist. |
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| 38. |
Two species of Amoeba X and Y were kept in fresh water and got adapted. Species X developed to contractile vacuole. When both were transferred to sea water and got adapted, both X and Y lost their contractile vacuole. Form these observation we conclude thatA. Both X and Y are marine speciesB. Species Y is marine and X is fresh waterC. Species X is marine and Y is fresh waterD. Both X and Y are fresh water |
| Answer» Correct Answer - C | |
| 39. |
Destruction of nucleus in Amoeba results inA. Immediate deathB. Slowing down of metabolic activity and ultimate deathC. Quick locomotionD. No change |
| Answer» Correct Answer - B | |
| 40. |
Amoeba takes food throughA. PhagocytosisB. PinocytosisC. EndocytosisD. All the above |
| Answer» Correct Answer - D | |
| 41. |
Common trait between Amoeba and leucocyte isA. EncystmentB. PseudopodiaC. SporulationD. Contractile vacuole |
| Answer» Correct Answer - B | |
| 42. |
Amoeba touched with needle willA. DieB. Divide quicklyC. Develop pseudopodiaD. Move away |
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Answer» Correct Answer - D Amoeba will move away from contact with a foregin object or a probe while crawling or resting. |
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| 43. |
Which is not locomotory organ of protozoaA. CiliaB. FlagellaC. PseudopodiaD. Parapodia |
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Answer» Correct Answer - D Parapodia is the locomotory organ of Nereis (Annelida). |
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| 44. |
Locomotory structures of Amoeba areA. CiliaB. FlagellaC. PseudopodiaD. None of the above |
| Answer» Correct Answer - C | |
| 45. |
Class sporozoa of phylum protozoa is characterised byA. FlagellaB. CiliaC. ParasitismD. None of these |
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Answer» Correct Answer - C Membes of this class are exclusively endoparasites. |
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| 46. |
Locomotory organ of sporozoa isA. TentaclesB. ReticulocytesC. LegsD. None of the above |
| Answer» Correct Answer - D | |
| 47. |
The reason of psedopodium formation isA. Chemical changesB. Difference in the vicosityC. Difference in the pressureD. Change in the temperature |
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Answer» Correct Answer - B Pseudopodium is formed due to different viscosity of sol and gel. |
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| 48. |
Excretion in Amoeba occurs throughA. NucleusB. ParapodiaC. PlasmmlemmaD. Contractile vacuole |
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Answer» Correct Answer - C Being unicellular, no specific excretory system develop so this function can be perfomed by plasmalemma by diffusion process. |
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| 49. |
Which is filter feederA. AmoebaB. LeechC. SpiderD. Paramecium |
| Answer» Correct Answer - D | |
| 50. |
Which is false for nutrition in AmoebaA. OmnivorousB. Pseudopodia feederC. Holozoic nutritionD. Photoautotroph |
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Answer» Correct Answer - D Amoeba is omnivorous and its mode of nutritions is holozoic. It feeds by phagocytosis. Amoeba captures and engulfs its prey by means of pseudopodia. |
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