The reason for pseudopodium formation is
(a) Chemical changes
(b) Difference in the viscosity
(c) Difference in pressure
(d) Change in the temperature
The scientist who coined the term ‘protista‘ to include both plant and animal-like unicellular organisms was
(a) Robert Koch
(b) E.F. Haeckel
(c) L. Pasteur
(d) Joseph Lister
Protists obtain food as
(a) Photosynthesisers, symbionts and holotrophs
(b) Photosynthesisers
(c) Chemosynthesisers
(d) Holotrophs
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Protozoans are also called
(a) Unicellular
(b) Multicellular
(c) Acellular
(d) Prokaryotic
Murein is not found in the cell wall of
(a) Nostoc
(b) Eubacteria
(c) Cyanobacteria
(d) Diatoms
Entamoeba histolytica infection occurs through
(a) Contaminated water and food
(b) Sweat
(c) Bird droppings
(d) Mosquito bites
Which of the following organelles are associated for defence in protozoans?
(a) Nematocysts
(b) Statocysts
(c) Trichocysts
(d) Otocysts
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Amoebiasis is prevented by
(a) Eating balanced food
(b) Eating plenty of fruits
(c) Using mosquito nets
(d) Drinking boiled water
Contractile vacuole is absent in marine and parasitic protozoa because
(a) Excretory products are not found
(b) Hypertonic condition of internal and external medium
(c) Isotonic condition of internal and external medium
(d) Excretion is absent
Entamoeba differs from Amoeba is not having
(a) Nucleus
(b) Pseudopodia
(c) Ectoplasm
(d) Contractile vacuole
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In which of the following sets, groups are not correctly matched phylum wise
(a) Crustacea, Myriapoda, Arachnida
(b) Polychaeta, Hirudinea, Oligochaeta
(c) Gastropoda, Rhizopoda, Scaphopoda
(d) Hydrozoa, Scyphozoa, Anthozoa
Conjugation in protozoa is found in
(a) Sarcodina
(b) Flagellata
(c) Sporozoa
(d) Ciliata
Reproduction in Paramecium is controlled by
(a) Flagella
(b) Micronucleus
(c) Macronucleus
(d) Cell wall
Contractile vacuole is generally absent in the
(a) Parasitic protozoans
(b) Marine protozoans
(c) Both
(d) None of these
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The vector for sleeping sickness is
(a) Housefly
(b) Tsetse fly
(c) Sandfly
(d) Fruit fly
The causal organism of Kala-azar is
(a) Plasmodium vivax
(b) Trypanosoma lewsii
(c) Wuchereria bancrofti
(d) Leishmania donovani
All protozoans have
(a) Pseuopodia
(b) Eucaryotic organisation
(c) Contractile vacuole
(d) Holozoic nutrition
Which of the following can start erythrocytic cycle?
(a) Metacryptomerozoite
(b) Merozoite
(c) Sporozoite
(d) Schizont
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Nutrition in Amoeba is
(a) Holophytic
(b) Parasitic
(c) Holozoic
(d) Saprobic
Malignant tertian malaria is due to
(a) P. vivax
(b) P. malariae
(c) Plasmodium falciparum
(d) P. ovale
Which one does not spread disease?
(a) Entamoeba coli
(b) Entamoeba histolytica
(c) E. gingivalis
(d) Plasmodium ovale
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Who was awarded Nobel Prize in 1902 for discovery of oocyst of Plasmodium?
(a) Golgi
(b) Ronald Ross
(c) Laveran
(d) Shortt
Infection of Entamoeba histoloytica is preveneted by
(a) Avoiding kissing
(b) Avoiding clothes of patient
(c) None of these
(d) Uncontaminated food
Posterior end of Amoeba is characterised by
(a) Plasmid
(b) Amphid
(c) Uripygium
(d) Lack of food vacuoles
Sandfly is causative agent of
(a) Sleeping sickness
(b) Typhoid
(c) Kala-azar
(d) Dysentery
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A cyst of Entamoeba histolytica produces trophozoites
(a) 1
(b) 2
(c) 4
(d) 18
Cyst wall of Euglena is formed of
(a) Silica
(b) Carbohydrate
(c) Proteins
(d) Calcium
The Signet ring stage of Plasmodium represents
(a) Beginning of schizogony in liver cells
(b) End of schizogony in RBC
(c) Beginning of schizogony in RBC
(d) Beginning of sporogony in humans
The stage of Entamoeba histolytica that causes intestinal ulceration is
(a) Trophozoite
(b) Metacystic trophozoite
(c) Binucleate stage
(d) Tetranucleate stage
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Entamoeba histolytica excretes through
(a) Food vacuole
(b) General surface
(c) Contractile vacuole
(d) Malpighian tubles
Which is not a characteristic of the phylum protozoa?
(a) Pseudopodia
(b) Binary fission
(c) Contractile vacuole
(d) Cell membrane as body covering
Symptoms of paroxyms in malaria are due to
(a) Sporozoite
(b) Gametocyte
(c) Pre-erythrocytic cycle
(d) Erythrocytic cycle
Pseudopodia is a characteristic feature of which class?
(a) Mastigophora
(b) Sarcodina
(c) Sporozoa
(d) Ciliata
Trichocysts occur in
(a) Liver Fluke
(b) Bladderworm
(c) Paramecium
(d) Hydra
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Black water fever is caused by
(a) Plasmodium malariae
(b) P. ovule
(c) P. falciparum
(d) P. vivax
The incubation period of Plasmodium vivax is
(a) 14 days
(b) 20 days
(c) 30 days
(d) 45 days
