In a Paramecium, the trichocysts are used for
fight or flight response
defence
offense
both (b) and (c)
Correct Answer :
B. defence
Related Questions
The cell anus in some protozoans known as
cytoproct
peristome
cytostome
none of these
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
Gametocytes of Plasmodium are formed in
liver of man
blood of man
RBC of man
stomach of female mosquito
Pseudopodia of Amoeba are important for
locomotion only
feeding only
both (a) and (b)
offence of defence
Down stroke and recovery stroke are characteristic of
movement of pseudopodia
movement of flagella
movement of cilia
none of these
Entamoeba differs from Amoeba in not having
nucleus
pseudopodia
ectoplasm
contractile vascule
The schizogony cycle of Plasmodium takes place in
alimentary canal of mosquito
liver of man
liver and RBC of man
RBC of man
Entamoeba gingivalis is a parasite in the
pharynx of man
unhealthy tissue around teeth of man
gum boil of man
infected salivary glands of man
Attack of malaria occurs every fourth day when patient is infected by
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum
Plasmodium vivax
Asexual reproduction during schizogony of malarial parasite is a kind of
binary fission
budding
fragmentation
multiple fission
Mapacrine and Paludrine drugs are used for
malaria
amoebiasis
tapeworms
ascariasis
Mild tertian malaria is caused by
Plasmodium vivax
Plasmodium falciparum
Plasmodium ovale
Plasmodium malariae
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 trophozoite of Entamoeba histolytica reproduces by
binary fission
sporulation
amitosis
mitosis
Method of food intake in Paramecium is
holozoic
holophytic
saprozoic
autozoic
Alternation of generations is otherwise known as
Epigenesis
Metagenesis
Biogenesis
Dimorphism
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 Trx/panosoma causes sleeping sickness in man. It finally involves
liver
blood
brain
cerebro-spinal fluid
The intermediate host in the life cycle of �. histolytica is
Housefly
Mosquitoes
Tsetse fly
None 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
The disease caused by Entamoeba gingimlis is transmitted by
flies
kissing
air
mosquitoes
The cysts of E.histolytica develop in an infected individual in the
intestinal wall
lumen of intestine
tissues of man
areas of metastatic inversion
The pseudopodia of Amoeba are meant for
feeding
offence and defence
locomotion
both (a) and (c)
Which of the following organelles are associated with defence in Protozoans ?
Nematocysts
Statocysts
Trichocysts
Otocysts
Sporozoites of Plasmodium vivax are produced from
ookinete
gametocytes
merozoites
sporoblasts
Sleeping sickness in man is caused by Trypanosoma by the bite of the infective
female Tsetse fly
male Tsetse fly
both male and female Tsetse flies
male and female aedes mosquito
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
An example of dimorphic protozoan is
Amoeba proteus
Paramecium caudatum
Plasmodium
Polystornella
Trypanosomiasis is a disease, transmitted by vector
Louse
Tsetse fly
Mayfly
Firefly
All stages in the life cycle of malarial parasite are haploid except
gamout
ookinete
schizont
sporont