The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
Correct Answer :
B. chaga's disease
Related Questions
Erythrocytic cycle of Plasmodium produces
schizonts
sporozoites
merozoites
metacryptomerozoites;
In a Paramecium, the trichocysts are used for
fight or flight response
defence
offense
both (b) and (c)
The trophozoite of Entamoeba histolytica reproduces by
binary fission
sporulation
amitosis
mitosis
Pseudopodia of Amoeba are important for
locomotion only
feeding only
both (a) and (b)
offence of defence
Malignant tertian malaria is caused by
P. ovale
P.vivax
P. malariae
P. falciparum
Protozoa which completely lack trophj organelles are classifed under
sporozoa
rhizopoda
ciliophora
flagellata
The function of neuro-motor system of Paramecium is
co-ordination of various external stimuli
co-ordination of ciliary beat
control of contractile vacuole
any of these
n Amoeba, when transferred from pond water to distilled water, forms
contractile vacuoles at a slower rate
contractile vacuoles at a faster rate
contractile vacuoles at the same rate
no contractile vacuoles
The giant Amoeba is
Amoeba proteus
Choas
Foraminifera
Pelomyxa
When kerosene is sprayed on the stagnant water wherein the larvae of Anopheles develop, it
burns the body wall of the larvae
diffuses through the body wall and kills them
suffocates them to death
prevents contact of spiracles with air
RBCs are found in the food vacuoles of
Amoeba proteus
Hydra viridissima
Leishmania donovani
Entamoeba histolytica
Entamoeba differs from Amoeba in not having
nucleus
pseudopodia
ectoplasm
contractile vascule
The ecological niche of Entamoeba histolytica is
small intestine of man
arge intestine of man
fresh water body such as ponds, rivers etc.
stagnaant water
According to Whittaker's system of classification, all the living organisms are classifed into 5 kingdoms and Viruses are placed under
Monera
Protista
Protoctista
None of these
The catabolic wastes in Amoeba consist of
water and CO2
water, CO2 and minerals
Water, CO2, minerals and urea
all of these
If a fresh water Amoeba for some reason in unable to form contractile vacuole, it will
stop forming pseudopodia
stop manufacturing metabolic water
burst consequent to osmotic swelling
become static for some time
The trophozoite of Plasmodium lives in
erythrocytes of man
liver cells
stomach of mosquito
blood plasma
The shivering, a characteristic symptom of malaria, occurs when
sporozoites enter the blood
metacryptozoites are liberated from the liver cells
merozoites are liberated from RBC with toxin
schizonts are formed in the RBC
Oocyst of Plasmodium develops from
female gametocyte
fertilised microgamete
fertilised macrogamete
ookinete
Entamoeba gingivalis is a parasite in the
pharynx of man
unhealthy tissue around teeth of man
gum boil of man
infected salivary glands of man
Attack of malaria occurs every fourth day when patient is infected by
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum
Plasmodium vivax
The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
The only stage of malarial parasite that can survive in the stomach of mosquito is
ookinate
oocyst
gametocytes
sporozoites
Asexual reproduction during schizogony of malarial parasite is a kind of
binary fission
budding
fragmentation
multiple fission
The erthrocytic phase of the life cycle of Plasmodium passes in
the stomach of female amopheles mosquito
parenchymatous cells of liver of man
erythrocytes of man
erythrocytes and blood of man
A liver biopsy of a patient suffering from amoebic hepatic abscess would demonstrate the presence of
trophozoites
cysts
precystic stages
sporozoites
Down stroke and recovery stroke are characteristic of
movement of pseudopodia
movement of flagella
movement of cilia
none of these
Alternation of generations is otherwise known as
Epigenesis
Metagenesis
Biogenesis
Dimorphism
Nuclear dimorphism is observed in
Entamoeba
Plasmodium
Paramecium
Trypanosoma
The Trx/panosoma causes sleeping sickness in man. It finally involves
liver
blood
brain
cerebro-spinal fluid