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
Correct Answer :
D. prevents contact of spiracles with air
Related Questions
Schuffner's granules or dots are found in
trophozoite
sporozoite
schizont
merozoite
Trophozoites of E.histolytica reproduced by
binary fission
conjugation
autogamy
budding
Nuclear dimorphism is observed in
Entamoeba
Plasmodium
Paramecium
Trypanosoma
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
Mapacrine and Paludrine drugs are used for
malaria
amoebiasis
tapeworms
ascariasis
Benign tertian malaria is caused by
P. falciparum
P. vivax
P. malariae
P. ovale
Malignant tertian malaria is caused by
P. ovale
P.vivax
P. malariae
P. falciparum
The transmission of Entamoeba histolytica takes place by
female anopheles mosquito
air
kisisng
contaminated food and water
Trypanosoma gambiense inhabits the human body in the
blood
Lymph
blood and cerebrospinal fluid
cerebrospinal fluid
Nitrogenous wastes in Amoeba are expelled through
plasmalemma
pseudopodia
hyaline cap
contractile vacuole
Which of the following organelles are associated with defence in Protozoans ?
Nematocysts
Statocysts
Trichocysts
Otocysts
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
In a Paramecium, the trichocysts are used for
fight or flight response
defence
offense
both (b) and (c)
The path followed by a food vacuole in Paramecium is referred to as
cycloid
cyclic vascular path
cyclosis
cyclosphere
Asexual reproduction during schizogony of malarial parasite is a kind of
binary fission
budding
fragmentation
multiple fission
When the causes ot malaria was not known, it was supposed to be cuased by
dirty water
foul air
mosquito
housefly
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
Highly polypoid meganucleus is present in
flagellates
ciliates
sporozoans
rhizopodans
Trypanosoma is transmitted by
contamination
kissing
contagination
inoculation
The intermediate host in the life cycle of �. histolytica is
Housefly
Mosquitoes
Tsetse fly
None of these
The intermediate host of malarial parasite is
Man
Female Anopheles
Culex
Monkeys
N.M.E.P is the abbreviation of
Naitonal Mosquito Eridication Programme
National Malaria Elimination Programme
National Malaria Eradication Programme
National Malaria Elimination Process
Sporogony of malaria parasite occurs in
liver of man
RBC of man
stomach wall of mosquito
salivary glands of mosquito
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
The disease caused by Trypanosoma cruzi is
sleeping sickness
chaga's disease
kala azar
oriental sore
The resultant cells of schizogony in the life history of malarial parasite are
schizonts
merozoites
ookinetes
sporozoites
The process of reconstitution of macro-nulceus in Paramecium without any change in micro-nucleus is called
Cytogamy
Hemimixis
Endomixis
Autogamy
Gametocytes of Plasmodium are formed in
liver of man
blood of man
RBC of man
stomach of female mosquito
The trophozoite of Entamoeba histolytica reproduces by
binary fission
sporulation
amitosis
mitosis