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
Correct Answer :
C. stomach of female anopheles
Related Questions
A liver biopsy of a patient suffering from amoebic hepatic abscess would demonstrate the presence of
trophozoites
cysts
precystic stages
sporozoites
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
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
Ingestion of some water with food in Amoeba takes place by the process of
endosmosis
pinocytosis
phagocytosis
none of these
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 process of reconstitution of macro-nulceus in Paramecium without any change in micro-nucleus is called
Cytogamy
Hemimixis
Endomixis
Autogamy
The resultant cells of schizogony in the life history of malarial parasite are
schizonts
merozoites
ookinetes
sporozoites
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
The first generation in the asexual phase of Plasmodium in RBCs of man is known as
trophozoites
merozoites
metacryptomerozoi tes
phanerozoites
Pseudopodia of Amoeba are important for
locomotion only
feeding only
both (a) and (b)
offence of defence
Trypanosoma shows the phenomenon of
amorphism
dimorphism
trimorphism
polymorphism
Kala-azar is a disease caused by
Trypanosma gambiense transmitted by Tsetse fly
Leishmania donovani transmitted by sandfly
Taenia solium transmitted by infected pork
Wuchereria bancrofti transmitted by Culex
Amoeba secretes digestive enzymes to hydrolyse
starch
sugar
proteins
all of these and fats
Benign tertian malaria is caused by
P. falciparum
P. vivax
P. malariae
P. ovale
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 catabolic wastes in Amoeba consist of
water and CO2
water, CO2 and minerals
Water, CO2, minerals and urea
all of these
Oocyst of Plasmodium develops from
female gametocyte
fertilised microgamete
fertilised macrogamete
ookinete
In Amoeba proteus, the term proteus is after the name of
the discoverer
a disease
a god
a place
The mode of life of Plasmodium in man and mosquito respectively is
intracellular in both
intercellular in both
intracellular and intercellular
intercellular and intracellular
RBCs are found in the food vacuoles of
Amoeba proteus
Hydra viridissima
Leishmania donovani
Entamoeba histolytica
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 cysts of E.histolytica develop in an infected individual in the
intestinal wall
lumen of intestine
tissues of man
areas of metastatic inversion
Under unfavourable conditions, the Amoeba reproduces by
binary fission
conjugation
encystment
endomixis
Incubation period of Plasmodium vwax is about
6-8 weeks
10-12 days
15-20 days
20-40 days
Trypanosoma gambiense inhabits the human body in the
blood
Lymph
blood and cerebrospinal fluid
cerebrospinal fluid
Protozoa which completely lack trophj organelles are classifed under
sporozoa
rhizopoda
ciliophora
flagellata
The infective stage of Entamoeba histolytica is
sporozoite
minuta form
mature cyst
trophic form
A food vacuole develops in Paramecium at the distal end of
cytopharynx
oral grove
cytostome
oesophagus
Process of reconstitution of nuclei in a single paramecium without fusion of gametic nuclei is
endomixis
hemimixis
cytogamy
none of these
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