An example of dimorphic protozoan is
Amoeba proteus
Paramecium caudatum
Plasmodium
Polystornella
Correct Answer :
D. Polystornella
Related Questions
Treatment of the infection by malarial parasite in the principal host is studied under
chemo-therapy
chemo-diagnosis
chemo-prophy laxis
prophylaxis
In Plasmodium, gametocytes are formed by j the trophozoites in the RBS of man. They do not develop fully in RBC because of
antibodies present in blood
antigens present in blood
higher temperautre of blood
lower temeprature of blood
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 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
The catabolic wastes in Amoeba consist of
water and CO2
water, CO2 and minerals
Water, CO2, minerals and urea
all of these
The resultant cells of schizogony in the life history of malarial parasite are
schizonts
merozoites
ookinetes
sporozoites
The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
Malignant tertian malaria is caused by
P. ovale
P.vivax
P. malariae
P. falciparum
The number of daughter paramecia produced following conjugation is
8 from one conjugant
8 from two conjugants
16 from two conjugants
8-16 from two conjugants
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
The cilia in Paramecium are
all equal
all unequal
longer at posterior side
longer at anterior side
Mild tertian malaria is caused by
Plasmodium vivax
Plasmodium falciparum
Plasmodium ovale
Plasmodium malariae
The life-cycle of malarial parasite in liver is called
erythrocytic stage
pre-erythrocytic stage
exo-erythrocytic stage
post-erythrocytic stage
Trypanosomiasis is a disease, transmitted by vector
Louse
Tsetse fly
Mayfly
Firefly
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
The giant Amoeba is
Amoeba proteus
Choas
Foraminifera
Pelomyxa
Down stroke and recovery stroke are characteristic of
movement of pseudopodia
movement of flagella
movement of cilia
none of these
The only stage of malarial parasite that can survive in the stomach of mosquito is
ookinate
oocyst
gametocytes
sporozoites
Process of reconstitution of nuclei in a single paramecium without fusion of gametic nuclei is
endomixis
hemimixis
cytogamy
none of these
The cell anus in some protozoans known as
cytoproct
peristome
cytostome
none of these
The pseudopodia ar formed in Amoeba
when it comes in contact with food particles
by movement of surrounding water
by exchange of salts with the medium
by sol-gel transformation of cytoplasm
Benign tertian malaria is caused by
P. falciparum
P. vivax
P. malariae
P. ovale
The rossette stage in lif^ cycle of Plasmodium is found in
blood of man
RBC of man
liver of man
stomach of Anopheles mosquito
The path followed by a food vacuole in Paramecium is referred to as
cycloid
cyclic vascular path
cyclosis
cyclosphere
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
Malaria is a disease transmitted by the bite of
male Culex
female Culex
male A nopheles
female Anopheles
Locomotory organelles in the parasitic protozoa of class sporozoa are
cilia
flagella
pseudopodia
absent
Amoebiasis is caused by
Plasmodium vivax
Taenia solium
Entamoeba histolytica
Entamoeba gingimlis
The life cycle of Plasmodium in human blood is called
schizogony
syngamy
exo-erythro cytic schizogony
sporogony
The first generation in the asexual phase of Plasmodium in RBCs of man is known as
trophozoites
merozoites
metacryptomerozoi tes
phanerozoites