The infective stage of Entamoeba histolytica is
sporozoite
minuta form
mature cyst
trophic form
Correct Answer :
C. mature cyst
Related Questions
When the causes ot malaria was not known, it was supposed to be cuased by
dirty water
foul air
mosquito
housefly
All stages in the life cycle of malarial parasite are haploid except
gamout
ookinete
schizont
sporont
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
Which of the following is a correct matching ?
Yellow fever mosquitoes toga virus B
Rabies saliva myxomavirus
Poliomyelitis fleas poliovirus
Tobacco mosaic disease aphids tobacco mosaic virus
RBCs are found in the food vacuoles of
Amoeba proteus
Hydra viridissima
Leishmania donovani
Entamoeba histolytica
Mapacrine and Paludrine drugs are used for
malaria
amoebiasis
tapeworms
ascariasis
Golgi cycle in Plasmodium occurs in man, in
blood
RBC
liver cells
stomach
The path followed by a food vacuole in Paramecium is referred to as
cycloid
cyclic vascular path
cyclosis
cyclosphere
The sexual phase of life cycle of Plasmodium is completed in
blood of man
liver of man
stomach of female anopheles
salivary glands of female anopheles
An example of dimorphic protozoan is
Amoeba proteus
Paramecium caudatum
Plasmodium
Polystornella
Method of food intake in Paramecium is
holozoic
holophytic
saprozoic
autozoic
Inoculation in malaria is out of question because
Plasmodium produces minute bodies
Plasmodium produces antitoxins
Plasmodium produces antitoxins and antibodies
All of these
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
Sporozoites of Plasmodium vivax are produced from
ookinete
gametocytes
merozoites
sporoblasts
The feeding stage in the life cycle of PlasA tnodium is
merozoite
sporozoite
cryptozoite
trophozoite
The zoological name of giant amoeba is
Amoeba proteus
Arcella sp.
Chaos chaos
Ovale sp.
The Trx/panosoma causes sleeping sickness in man. It finally involves
liver
blood
brain
cerebro-spinal fluid
Malarial parasites could best be obtained from a patient
an hour before rise of temperature
when temeprature rises with rigor
when temeprature comes down to normal
five hours after the temperature reaches normal level.
Asexual reproduction during schizogony of malarial parasite is a kind of
binary fission
budding
fragmentation
multiple fission
Gametocytes of Plasmodium are formed in
liver of man
blood of man
RBC of man
stomach of female mosquito
The intermediate host in the life cycle of �. histolytica is
Housefly
Mosquitoes
Tsetse fly
None of these
The cilia in Paramecium are
all equal
all unequal
longer at posterior side
longer at anterior side
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
Amoeba secretes digestive enzymes to hydrolyse
starch
sugar
proteins
all of these and fats
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 cysts of E.histolytica develop in an infected individual in the
intestinal wall
lumen of intestine
tissues of man
areas of metastatic inversion
Oocyst of Plasmodium develops from
female gametocyte
fertilised microgamete
fertilised macrogamete
ookinete
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
The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
Treatment of the infection by malarial parasite in the principal host is studied under
chemo-therapy
chemo-diagnosis
chemo-prophy laxis
prophylaxis