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4

The transmission of Entamoeba histolytica takes place by

A. female anopheles mosquito

B. air

C. kisisng

D. contaminated food and water

Correct Answer :

A. female anopheles mosquito


Related Questions

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Trypanosoma is transmitted by

A. contamination

B. kissing

C. contagination

D. inoculation

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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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4

Oocyst of Plasmodium develops from

A. female gametocyte

B. fertilised microgamete

C. fertilised macrogamete

D. ookinete

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Process of reconstitution of nuclei in a single paramecium without fusion of gametic nuclei is

A. endomixis

B. hemimixis

C. cytogamy

D. none of these

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4

If a fresh water Amoeba for some reason in unable to form contractile vacuole, it will

A. stop forming pseudopodia

B. stop manufacturing metabolic water

C. burst consequent to osmotic swelling

D. become static for some time

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Trophozoites of E.histolytica reproduced by

A. binary fission

B. conjugation

C. autogamy

D. budding

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The only stage of malarial parasite that can survive in the stomach of mosquito is

A. ookinate

B. oocyst

C. gametocytes

D. sporozoites

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All stages in the life cycle of malarial parasite are haploid except

A. gamout

B. ookinete

C. schizont

D. sporont

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The mode of life of Plasmodium in man and mosquito respectively is

A. intracellular in both

B. intercellular in both

C. intracellular and intercellular

D. intercellular and intracellular

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4

Sleeping sickness in man is caused by Trypanosoma by the bite of the infective

A. female Tsetse fly

B. male Tsetse fly

C. both male and female Tsetse flies

D. male and female aedes mosquito

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4

Schizont stage in the life cycle of malarial parasite occurs in

A. erythrocytes of man

B. stomach of Anopheles

C. salivary glands of Anopheles

D. blood of man

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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

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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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4

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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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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Attack of malaria occurs every fourth day when patient is infected by

A. Plasmodium ovale

B. Plasmodium malariae

C. Plasmodium falciparum

D. Plasmodium vivax

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Amoeba secretes digestive enzymes to hydrolyse

A. starch

B. sugar

C. proteins

D. all of these and fats

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The oriental sores in human skin are caused by

A. Leishmania tropica

B. Phlebotomus

C. Balantidium

D. Leishmania donovani

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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 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

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The sporozoites of Plasmodium first attack

A. RBC

B. liver cells

C. muscles

D. intestine

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In a Paramecium, the trichocysts are used for

A. fight or flight response

B. defence

C. offense

D. both (b) and (c)

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In the life cycle of Plasmodium, man is the

A. primary host

B. intermediate host

C. secondary host

D. alternative host

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The digestive enzymes in Paramecium are secreted in

A. food vacuoles directly

B. lysosomes and then released into food vacuole

C. endoplasm and then pass into food vacuole

D. both lysosomes and endoplasm

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4

The shivering, a characteristic symptom of malaria, occurs when

A. sporozoites enter the blood

B. metacryptozoites are liberated from the liver cells

C. merozoites are liberated from RBC with toxin

D. schizonts are formed in the RBC

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4

Incubation period of Plasmodium vwax is about

A. 6-8 weeks

B. 10-12 days

C. 15-20 days

D. 20-40 days

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4

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

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Sporozoites of Plasmodium vivax are produced from

A. ookinete

B. gametocytes

C. merozoites

D. sporoblasts

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In Amoeba proteus, the term proteus is after the name of

A. the discoverer

B. a disease

C. a god

D. a place

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A digenic protozoan parasite is

A. Monocystis

B. Amoeba

C. Plasmodium

D. Opalina