Which of the following organelles are associated with defence in Protozoans ?
Nematocysts
Statocysts
Trichocysts
Otocysts
Correct Answer :
C. Trichocysts
Related Questions
Locomotory organelles in the parasitic protozoa of class sporozoa are
cilia
flagella
pseudopodia
absent
Quinine, utilised in the treatment of malaria, is extracted from
cinnamom
cinchona
blister flies
red ants
Sporogony of malaria parasite occurs in
liver of man
RBC of man
stomach wall of mosquito
salivary glands of mosquito
Attack of malaria occurs every fourth day when patient is infected by
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum
Plasmodium vivax
The cell anus in some protozoans known as
cytoproct
peristome
cytostome
none of these
The giant Amoeba is
Amoeba proteus
Choas
Foraminifera
Pelomyxa
Schizont stage in the life cycle of malarial parasite occurs in
erythrocytes of man
stomach of Anopheles
salivary glands of Anopheles
blood of man
Alternation of generations is otherwise known as
Epigenesis
Metagenesis
Biogenesis
Dimorphism
In the life cycle of Plasmodium, man is the
primary host
intermediate host
secondary host
alternative host
In an electric field, the Paramecium moves
towards the negative pole
towards the positive pole
around to avoid effect of current
forms cyst and does not move
The schizogony cycle of Plasmodium takes place in
alimentary canal of mosquito
liver of man
liver and RBC of man
RBC of man
The disease caused by Entamoeba gingimlis is transmitted by
flies
kissing
air
mosquitoes
Mapacrine and Paludrine drugs are used for
malaria
amoebiasis
tapeworms
ascariasis
When the causes ot malaria was not known, it was supposed to be cuased by
dirty water
foul air
mosquito
housefly
Treatment of the infection by malarial parasite in the principal host is studied under
chemo-therapy
chemo-diagnosis
chemo-prophy laxis
prophylaxis
African sleeping sickness or Gambiense fever is caused by
Entamoeba
Trypanosma
Leishmania
Trichomonas
Nitrogenous wastes in Amoeba are expelled through
plasmalemma
pseudopodia
hyaline cap
contractile vacuole
The cilia in Paramecium are
all equal
all unequal
longer at posterior side
longer at anterior side
The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
Highly polypoid meganucleus is present in
flagellates
ciliates
sporozoans
rhizopodans
The intermediate host of malarial parasite is
Man
Female Anopheles
Culex
Monkeys
Oocyst of Plasmodium develops from
female gametocyte
fertilised microgamete
fertilised macrogamete
ookinete
The mode of life of Plasmodium in man and mosquito respectively is
intracellular in both
intercellular in both
intracellular and intercellular
intercellular and intracellular
The oriental sores in human skin are caused by
Leishmania tropica
Phlebotomus
Balantidium
Leishmania donovani
The transmission of Entamoeba histolytica takes place by
female anopheles mosquito
air
kisisng
contaminated food and water
Method of food intake in Paramecium is
holozoic
holophytic
saprozoic
autozoic
The digestive enzymes in Paramecium are secreted in
food vacuoles directly
lysosomes and then released into food vacuole
endoplasm and then pass into food vacuole
both lysosomes and endoplasm
The trophozoite of Plasmodium lives in
erythrocytes of man
liver cells
stomach of mosquito
blood plasma
Protozoa which completely lack trophj organelles are classifed under
sporozoa
rhizopoda
ciliophora
flagellata
Amoebiasis is caused by
Plasmodium vivax
Taenia solium
Entamoeba histolytica
Entamoeba gingimlis