Attack of malaria occurs every fourth day when patient is infected by
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum
Plasmodium vivax
Correct Answer :
D. Plasmodium vivax
Related Questions
When the causes ot malaria was not known, it was supposed to be cuased by
dirty water
foul air
mosquito
housefly
Trypanosoma is transmitted by
contamination
kissing
contagination
inoculation
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
Trophozoites of E.histolytica reproduced by
binary fission
conjugation
autogamy
budding
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
Benign tertian malaria is caused by
P. falciparum
P. vivax
P. malariae
P. ovale
Under unfavourable conditions, the Amoeba reproduces by
binary fission
conjugation
encystment
endomixis
Trypanosoma gambiense inhabits the human body in the
blood
Lymph
blood and cerebrospinal fluid
cerebrospinal fluid
Which of the following organelles are associated with defence in Protozoans ?
Nematocysts
Statocysts
Trichocysts
Otocysts
Malignant tertian malaria is caused by
P. ovale
P.vivax
P. malariae
P. falciparum
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
Trypanosomiasis is a disease, transmitted by vector
Louse
Tsetse fly
Mayfly
Firefly
The pseudopodia of Amoeba are meant for
feeding
offence and defence
locomotion
both (a) and (c)
Encystment in Amoeba serves for
perennation
reproduction
dispersal
all of these
The type of pseudopodia found in Amoeba are
reticulopodia
lobopodia
actinopodia
aropodia
The disease caused by Entamoeba gingimlis is transmitted by
flies
kissing
air
mosquitoes
The energy for Amoeba for doing work comes from
diffusion of ATP molecules from ingested organisms
oxidation of nutrients to form ATP
free energy
all of these
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 cell anus in some protozoans known as
cytoproct
peristome
cytostome
none of these
In Paramecium, proteins are digested
partly in endoplasm and partly in food vacuole
during the acid phase of the food vacuole
during the alkaline phase of the food vacuole
both (b) and (c)
The process of reconstitution of macro-nulceus in Paramecium without any change in micro-nucleus is called
Cytogamy
Hemimixis
Endomixis
Autogamy
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 giant Amoeba is
Amoeba proteus
Choas
Foraminifera
Pelomyxa
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.
The cilia in Paramecium are
all equal
all unequal
longer at posterior side
longer at anterior side
Incubation period of Plasmodium vwax is about
6-8 weeks
10-12 days
15-20 days
20-40 days
Schuffner's granules or dots are found in
trophozoite
sporozoite
schizont
merozoite
Erythrocytic cycle of Plasmodium produces
schizonts
sporozoites
merozoites
metacryptomerozoites;
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
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