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4

In the life cycle of Plasmodium, man is the

A. primary host

B. intermediate host

C. secondary host

D. alternative host

Correct Answer :

A. primary host


Related Questions

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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

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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

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Nitrogenous wastes in Amoeba are expelled through

A. plasmalemma

B. pseudopodia

C. hyaline cap

D. contractile vacuole

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Erythrocytic cycle of Plasmodium produces

A. schizonts

B. sporozoites

C. merozoites

D. metacryptomerozoites;

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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

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The disease caused by Trypanosoma cruzi is

A. sleeping sickness

B. chaga's disease

C. kala azar

D. oriental sore

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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

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Trophozoites of E.histolytica reproduced by

A. binary fission

B. conjugation

C. autogamy

D. budding

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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

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Encystment in Amoeba serves for

A. perennation

B. reproduction

C. dispersal

D. all of these

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Sporogony of malaria parasite occurs in

A. liver of man

B. RBC of man

C. stomach wall of mosquito

D. salivary glands of mosquito

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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

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Under unfavourable conditions, the Amoeba reproduces by

A. binary fission

B. conjugation

C. encystment

D. endomixis

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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

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Mapacrine and Paludrine drugs are used for

A. malaria

B. amoebiasis

C. tapeworms

D. ascariasis

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The path followed by a food vacuole in Paramecium is referred to as

A. cycloid

B. cyclic vascular path

C. cyclosis

D. cyclosphere

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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

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A digenic protozoan parasite is

A. Monocystis

B. Amoeba

C. Plasmodium

D. Opalina

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The trophozoite of Entamoeba histolytica reproduces by

A. binary fission

B. sporulation

C. amitosis

D. mitosis

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The number of daughter paramecia produced following conjugation is

A. 8 from one conjugant

B. 8 from two conjugants

C. 16 from two conjugants

D. 8-16 from two conjugants

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Nuclear dimorphism is observed in

A. Entamoeba

B. Plasmodium

C. Paramecium

D. Trypanosoma

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The cilia in Paramecium are

A. all equal

B. all unequal

C. longer at posterior side

D. longer at anterior side

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Protozoa which completely lack trophj organelles are classifed under

A. sporozoa

B. rhizopoda

C. ciliophora

D. flagellata

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The infective stage of Entamoeba histolytica is

A. sporozoite

B. minuta form

C. mature cyst

D. trophic form

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The sporozoites of Plasmodium first attack

A. RBC

B. liver cells

C. muscles

D. intestine

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Down stroke and recovery stroke are characteristic of

A. movement of pseudopodia

B. movement of flagella

C. movement of cilia

D. none of these

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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

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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

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The cell anus in some protozoans known as

A. cytoproct

B. peristome

C. cytostome

D. none of these

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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