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Parasitology Test 3

Anupama Bhattacharya January 8, 2025

Para – Test 3

In Dicrocelium dendriticum, egg hatches in the
1. Water
1. Definitive host
1. Intermediate host
1. Soil
Laying of leathery eggs in chicken is associated with
1. Hetarakis gallinarum
1. Raillietina spp.
1. Prosthogonimus spp
1. Syngamus trachea
The secondary complication of acute fasciolosis in sheep is
1. Enterotoxaemia
1. Black disease
1. Foot rot
1. Blue tongue
The metacercaria of Fasciolopsis buski is found in
1. Water chest nuts
1. Leaves of waterplants
1. Grass blades
1. Water melons
An amphistome found in liver is
1. Gigantocotyle explanatum
1. Gastrothylax spp.
1. Paramphistomum cervi
1. Cotylophoran spp.
Traumatic hepatitis in lambs occurs in
1. Acute fasciolosis
1. Amphistomosis
1. Cysticercus tenuicollis
1. Both a and c
The cercaria of schistosomes are called as
1. Gymnocephalus cercaria
1. Xiphiodiocercus cercaria
1. Furcocercus cercaria
1. Lobocercus cercaria
The mode of infection in schistosomosis is
1. Skin penetration by cercaria
1. Ingestion of metacercaria along with feed
1. Ingestion of infected intermediate host
1. None of the above
Lambs infected with Moniezia spp. Are predisposed to
1. Enterotoxaemia
1. Black disease
1. Black quarter
1. Johne’s disease
A cestode which causes nodules in the small intestine of sheep is
1. Moniezia expansa
1. Moniezia benedeni
1. Stilesia globipunctata
1. Avitellina spp
When the two gametes fusing together to form a zygote are of different sizes, it is known as
1. Isogamy
1. Syngamy
1. Anisogamy
1. Neogamy
Cells in protozoa which give rise to gametes are known as
1. Gamonts
1. Gametocytes
1. Both
1. None
In which of the following does transuterine transmission occur?
1. Babesia
1. Amoeba
1. Toxoplasma
1. Zoomastigophora
Which Trypanosoma is an amasigote?
1. T. vivax
1. T. evansi
1. T. equinum
1. T. cruzi
Which of the following is caused by Leishmania tropica?
1. Cutaneous
1. Delhi boil
1. Aleppobutton
1. All of the above
Which of the following causes intestinal coccidiosis of rabbit?
1. E. magna
1. E. media
1. Both of the above
1. None of the above
Which of the following are not included under flat worms?
1. Nematodes
1. Cestodes
1. Trematodes
1. Cotylodes
Which of the following are termed as pseudotapeworms?
1. Tremiatoda
1. Eucestoda
1. Cotyloda
1. Turbilleria
Which of the following is commonly known as cat liver fluke?
1. Fasciola hepatica
1. Opisthorchis tenuicollis
1. Clonorchis Clonorchis
1. Eurytrema pancreaticum
Synonym for cercarial dermatitis is
1. Swimmer’s itch
1. Dhobi itch
1. Rice paddy itch
1. All of the above
Which is the most common tapeworm of domestic fowl?
1. Davainea
1. Raillietina
1. Cotugnia
1. None of the above
Eggs with hexacanth embryo is a characteristic of
1. Eucestoda
1. Cotyloda
1. Both of the above
1. None of the above
Which is known as the dwarf tapeworm?
1. Dipylidium
1. Moniezia
1. Hymenolepis
1. All of the above
Dog is the definitive host for which of the following Taenia?
1. T. multiceps
1. T. hydatigena
1. T. ovis
1. All of the above
The first intermediate host in the life cycle of Dipyllobothrium latum is
1. Mollusc
1. Crustaceans
1. Both a and b
1. Fish
Dimenazine aceturate is toxic in
1. Dog
1. Cattle
1. Horse
1. Camel
Ehrlichia in sheep and cat can be demonstrated in
1. Monocytes
1. Lymphocytes
1. Neutrophils
1. All of the above
Drug of choice in case of anaplasmosis is
1. Berenil
1. Trypacide
1. Oxytetracycline
1. None of the above
Trypanosomes can be demonstrated in which type of blood smear?
1. Wet smear
1. Thin smear
1. Thick smear
1. All of the above
Rhabditiform oesophagus is present in
1. Ascardia
1. Oxyuris
1. Strongyloides
1. Fasciola
Oxyuris equi is found in
1. Esophagus
1. Stomach
1. Caecum
1. Kidney
Histomonas meleagridis leads to which disease in turkey?
1. Black head disease
1. Infectious enterohepatitis
1. Both of the above
1. None of the above
Hymenoptera includes
1. Bees
1. Wasps
1. Ants
1. All of the above
Exarate pupa is present in case of
1. Beetles
1. Mosquito
1. Butterfly
1. All of the above
Which helminth is not found in the blood vessels of cattle?
1. Onchocerca armillata
1. Elaeophora poeli
1. Schistosoma bovis
1. Coenurus cerebralis
Which helminth is found in the muscle, skin and connective tissue of cattle?
1. Homlogaster spp.
1. Oesophagostomum radiatum
1. Trichuris globulosa
1. Eurytrema pancreaticum
Which helminth is not found in the small intestine of pigs?
1. Trichuris suis
1. Fasciolopsis buski
1. Trichinella spiralis
1. Ascaris suum
Nits develop into adults in about
1. 3 days
1. 10-15 days
1. 14-21 days
1. 3 months
Which of the following bugs attack poultry?
1. Cimex lectularius
1. Cimex hemipterus
1. Both of the above
1. None of the above
Chagas disease in human beings is transmitted by
1. Kissing bugs
1. Assasing bugs
1. Cone nose bugs
1. All of the above
Respiratory siphon is present in
1. Anopheles
1. Culex
1. Both
1. None
Probosis and abdomen in straight sloped in
1. Anopheles
1. Culex
1. Both
1. None
Mosquitoes breed in
1. Water
1. Air
1. Cracks and crevices
1. Underground
Culex transmits
1. Eastern equine encephalitis
1. Western equine encephalitis
1. Japanese encephalitis
1. All of the above
Biting midge infection in horse causes
1. Summer’s itch
1. Queen’s land itch
1. Sweet itch
1. All of the above
Kala azar is transmitted by
1. Phlebotomus major
1. Phlebotomus papatasi
1. Phlebotomus sergenti
1. Phlebotomus argentypes
Wings sprinkled with brown spots are typical morphological character of
1. Tabanus
1. Stomoxys
1. Hematopota
1. Chrysops
Dark band across the wings is present in case of
1. Tabanus
1. Stomoxys
1. Hematopota
1. Chrysops
Phlebotomus is also known as _____
1. Black fly
1. Sandfly
1. Potu flies
1. All of the above
Pasteurella tularensis is transmitted by
1. Chrysops discalis
1. Hematopota
1. Chrysops dimidiate
1. All of the above
Which of the following is commonly known as horse nose bot fly?
1. G. intestinalis
1. G. nasalis
1. G. hemorrhoidalis
1. G. pecorum
Loa-loa is transmitted by
1. Chrysops discalis
1. Hematopota
1. Chrysops dimidiate
1. All of the above
Which of the following are known as biting house flies?
1. Musca
1. Stomoxys
1. Tabanus
1. Chrysops
Visceral larva migrans in humans is caused by larva of
1. Ancylostoma caninum
1. Toxocara canis
1. Habronema majus
1. Dirofilaria immitis
Thorny headed worm of swine is
1. Ascaris suum
1. Macrocanthorhyncus hirudinaceus
1. Stephanurus dentatus
1. Metastrongylus elongatus
Trichinella spiralis cyst can be detected using
1. Phase contrast microscopte
1. Fluorescent microscope
1. Trichinoscope
1. Stethoscope
Temporary relationship between two organisms, wherein one organisms transports the other is known as
1. Symbiosis
1. Mutualism
1. Phoresy
1. Commensalism
Immunity to superinfection due to the presence of residual parasite is termed as
1. Acquired immunity
1. Innate immunity
1. Premunity
1. Sterile immunity
A parasite which leads a parasitic way of life only for a short period during its lifespan is
1. Temporary parasite
1. Aberrant parasite
1. Obligatory parasite
1. Permanent parasite
The host which transfers the infective agent without any development in its body is called as
1. Paratenic host
1. Transport host
1. Intermediate hose
1. Reservoir host
An organisms which parasitized an organ which is not in its natural habitat
1. Incidental parasite
1. Ectopic/Aberrant/Erratic parasite
1. Accidental parasite
1. Occasional parasite
Host which harbors larval stages of parasite, often encapsulated or encysted in its tissue and remains infective to definitive host without any further development is called as
1. Paratenic host
1. Transport host
1. Definitive host
1. Intermediate host
A parasite, which parasitizes the host which is not its actual definitive host is called
1. Incidental parasite
1. Stenoxenous parasite
1. Obligatory parasite
1. Periodic parasite
An organism which derives benefits from the host but the host is neither benefited nor harmed is termed as
1. Parasite
1. Commensal
1. Symbiont
1. Mutualist
The association between sea anemone and crabs is an example of
1. Symbiosis
1. Parasitism
1. Mutualism
1. Commensals
How many hosts are involved in the life cycle of sheep ked?
1. 1
1. 2
1. 3
1. 4
Which of the following is associated with abortions
1. Anaplasmosis
1. Theileriosis
1. Babesiosis
1. All of the above
Udder and perianal area of cattle becomes characteristically yellow in case
1. Anaplasmosis
1. Theileriosis
1. Babesiosis
1. Trypanosomiasis
Deep orange liver and pulpy spleen is characteristic of which infection?
1. Anaplasmosis
1. Theileriosis
1. Babesiosis
1. Trypanosomiasis
Toxoplasma cyst present in muscles of intermediate hosts consist of
1. Merozoites
1. Trophozoites
1. Tachyzoites
1. Bradyzoites
S₄₈ strain vaccine of Toxoplasma consists of
1. Merozoites
1. Trophozoites
1. Tachyzoites
1. Bradyzoites
Infective dose of oocyst in case of cryptosporidiosis
1. 10² oocysts/gm of feces
1. 10¹⁰ oocysts/gm of feces
1. 10⁵ – 10⁷ oocysts/gm of feces
1. 10²⁰ oocysts/gm of feces
Correct sequence of life cycle of lice is
1. Egg-nymph-larva-adult
1. Egg-nymph-adult
1. Nymph-larva-adult
1. None of the above
Bacteria and amoebic cyst on legs of housefly and beetles represents which type of symbiosis?
1. Mutualism
1. Phoresis
1. Predation
1. None of the above
Choose the parasite with a direct life cycle
1. Hetarakis
1. Chabertia
1. Ascardia
1. All of the above
Red mange is _____ type of demodicosis
1. Squamous
1. Pustular
1. Both
1. None
Sweating sickness in animals is caused due to infestation of
1. Ticks
1. Mites
1. Lice
1. Fleas
Foot mange or itchy leg in horses is caused by
1. Chorioptes
1. Psoroptes
1. Sarcoptes
1. Otodectes
Anaplasma is transmitted b
1. Ixoded ticks
1. Tabanus
1. Stomoxys
1. All of the above
Which infection is known as tropical canine pancytopaenia?
1. Babesiosis
1. Anaplasmosis
1. Trypanosomiasis
1. Ehrlichiosis
Nodule formation at the junction of jejunum and duodenum occur due to infection of
1. Stilesia
1. Oesophagostomum
1. Amoebotaenua
1. Ancylostoma
Venacaval syndrome due to Dirofilaria immitis refers to
1. Hemolysis
1. Hemoglobinuria
1. Bilirubinemia
1. All of the above
Which of the following is called as the red mite of poultry?
1. Dermanyssces gallinae
1. Cnemidocoptes gallinae
1. Choreoptes
1. Sarcoptes
In reduviid bug, which form of trypanosomes are found?
1. Epimastigote
1. Promastigote
1. Amastigote
1. Trypomastigote
What percentage of K₂Cr₂O₇ is used for sporulation of coccidian oocyst?
1. 1
1. 2.5
1. 5
1. 3.5
Strongyloses in horses is also known as
1. Red worm infection
1. Hook worm infection
1. Black worm infection
1. Whip worm infection
Infective larva in case of Ascaris is
1. L₁
1. L₂
1. L₃
1. L₄
Sabin fieldman dye test is used for the diagnosis of
1. Trypanosomiasis
1. Toxoplasmosis
1. Babesiosis
1. Coccidiosis
Which of the following can be used as fixatives for the mount of nematodes
1. Corrosive acetic solution
1. Bouins picroformal solution
1. Formal acetic acid
1. All of the above
How many segments are present in the abdomen of lice?
1. 8
1. 8
1. 9
1. 10
Boomerang shaped eggs are laid by which species of Schistosoma?
1. S. spindale
1. S. nasals. Indicum
1. S. incognitum
Which is known as the biliary amphistome?
1. Gastrothylax crumenifer
1. Gigantocotyl explanatum
1. Gastrodiscus
1. All of the above
Which fluke is found in the colon of elephants?
1. Gastrodiscus aegyptiacus
1. Gastrodiscus secundus
1. Fischoederius elongatus
1. Oliveria indica
Gongylonema pulchrum is also known as
1. Gullet worm
1. Zigzag worm
1. Tailor stitch worm
1. All of the above
Babesia can be found in
1. Lymphocytes
1. Lymphoblasts
1. Erythrocytes
1. All of the above
33% ZnSO₄ solution cannot float the eggs of which helminths?
1. Nematodes
1. Trematodes
1. Cestodes
1. All of the above
Which of the following is not a qualitative method of faecal sample examination?
1. Direct smear
1. Concentration method
1. McMaster’s egg counting slide
1. None of the above
Carcinoma of liver and pancreas can be associated with
1. Prosthogonimus
1. Heterophyes
1. Eurytrema
1. Dicrocoelium
Eggs are laid in masses called egg rafts by
1. Anopheles
1. Culex
1. Aedes
1. All of the above
Study of mosquitoes comes under
1. Entomology
1. Acarology
1. Protozoology
1. Helminthology