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
Correct Answer :
C. burst consequent to osmotic swelling
Related Questions
Sporogony of malaria parasite occurs in
liver of man
RBC of man
stomach wall of mosquito
salivary glands of mosquito
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
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 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
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)
Characters that are more useful in classification of animals are
morphological features
homologous features
analogous features
none of these
The rossette stage in lif^ cycle of Plasmodium is found in
blood of man
RBC of man
liver of man
stomach of Anopheles mosquito
Trophozoites of E.histolytica reproduced by
binary fission
conjugation
autogamy
budding
Trypanosomiasis is a disease, transmitted by vector
Louse
Tsetse fly
Mayfly
Firefly
When the causes ot malaria was not known, it was supposed to be cuased by
dirty water
foul air
mosquito
housefly
The path followed by a food vacuole in Paramecium is referred to as
cycloid
cyclic vascular path
cyclosis
cyclosphere
Alternation of generations is otherwise known as
Epigenesis
Metagenesis
Biogenesis
Dimorphism
Malignant tertian malaria is caused by
P. ovale
P.vivax
P. malariae
P. falciparum
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
Schuffner's granules or dots are found in
trophozoite
sporozoite
schizont
merozoite
Under unfavourable conditions, the Amoeba reproduces by
binary fission
conjugation
encystment
endomixis
Amoebiasis is caused by
Plasmodium vivax
Taenia solium
Entamoeba histolytica
Entamoeba gingimlis
Inoculation in malaria is out of question because
Plasmodium produces minute bodies
Plasmodium produces antitoxins
Plasmodium produces antitoxins and antibodies
All of these
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
Which of the following organelles are associated with defence in Protozoans ?
Nematocysts
Statocysts
Trichocysts
Otocysts
Benign tertian malaria is caused by
P. falciparum
P. vivax
P. malariae
P. ovale
The giant Amoeba is
Amoeba proteus
Choas
Foraminifera
Pelomyxa
In Amoeba proteus, the term proteus is after the name of
the discoverer
a disease
a god
a place
Down stroke and recovery stroke are characteristic of
movement of pseudopodia
movement of flagella
movement of cilia
none of these
Sporozoites of Plasmodium vivax are produced from
ookinete
gametocytes
merozoites
sporoblasts
Incubation period of Plasmodium vwax is about
6-8 weeks
10-12 days
15-20 days
20-40 days
Pseudopodia of Amoeba are important for
locomotion only
feeding only
both (a) and (b)
offence of defence
The transmission of Entamoeba histolytica takes place by
female anopheles mosquito
air
kisisng
contaminated food and water
The resultant cells of schizogony in the life history of malarial parasite are
schizonts
merozoites
ookinetes
sporozoites
Malaria is a disease transmitted by the bite of
male Culex
female Culex
male A nopheles
female Anopheles