Food is stored in-of sponges.
trophocytes
thesocytes
desmocytes
archeocytes
Correct Answer :
D. archeocytes
Related Questions
If a carmine particle is put on the os~ culum of a living sponge, it will
adhere
rotate
be ingested
none of these
Which one of the following is a flagellated larva of Leucosolenia ?
Planula
Parenchymula
Maggot
Kedia
Lencosolenia is
free living, solitary, marine
free living, fresh water, solitary
free living, colonial, marine
Solitary, colonial, fresh water
Sponges are not found in
cold water
sea water
sandy shore
brackish water
The commercial bath sponge is made up of
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
Exogenous budding, a type of asexual reproduction in sponges is known as
gemmulation
gemmation
regeneration
amphimixis
Sponges belong to the phylum
sporozoa
mastigophora
porifera
coelenterata
Asexual reproduction in sponges is by forming buds and
gemmules
spicules
spongin fibres
choanocytes
Phylogenetically, the sponges have evolved from
protozoans
flagellates
choano flagellate
ciliates
The pathway of entring and coming out of water of sponges is
water vascular system
canal system
feeding current
circulating current
The skeleton of sponges is mostly composed of
choanocytes
scleroblasts
pinacocytes
amoebocytes
Larva of sponge is known as
planula larva
amphiblastula larva
trochophore larva
glochidium larva
A chamber which is common in different types of canal system:
Radial canal
Inhalant canal
Spongocoel
None of these
Difference between a sponge and a metazoan is that sponge do not contain
cells
cell organisation
cell division
division of labour
Collared, flagellated cells covering large parts of the inner chambers of sponges and helping to keep water circulating are
choanocytes
porocytes
pinacocytes
amoebocytes
The scientific name of commercial bath sponge is
Cliona
Hyalonema
Chalina
Euspongia
The larva of Sycoti is
parenchyma
alanula
redia
amphib las tula
Food is stored in-of sponges.
trophocytes
thesocytes
desmocytes
archeocytes
The phylum porifera contains most primitive of multicellular animals called
corals
sea pen
comb jellies
sponges
The commercial bath sponge belongs to
porifera
gatropoda
coelenterata
ctenophora
The only fresh water species of sponges is
Scypha
Euspcmgia
Spongilla
None of these
One of the internal buds of porifera aris- j ing asexually and coming into activity on I death of parent organism is called
gemma
gemmule
bud
bulbul
One of the characteristic features of the sponges is the presence of
vaselike globular body
a central cavity
radial symmetry
choanocyts
The central cavity of the sponge is also called
ostea
gastral cavity
gut
gullet
The animal nature of sponges was established by
Robert Grant
Trembly
Robert Brown
Ellias
Choanocytes in sponges are present
on the external body surface
line the gastric cavity
located between the outer and inner layers
in the mesodermal layer
A sponge is a
coelomata
acoelomata
metacoelomata
pseudocoelomates
Nervous system in sponges
is well developed
is in the form of a network
is made up of several interconnected ganglia
is absent
Sponges with a skeleton of calcium carbonate belongs to the class
calcarea
demospongia
anthozoa
hexactinellida
Which is not a larva of sponge?
Planula
Stomogastrula
Amphiblastula
Terogastrula