Cells that aid in locomotion of a sponge are
porocytes
myocytes
choanocytes
none of these
Correct Answer :
D. none of these
Related Questions
The most common composition of skeleton in sponges is :
Cartilage
Mesenchyma
Spicules and spongin fibres
Myonemes
The commercial bath sponge belongs to
porifera
gatropoda
coelenterata
ctenophora
Cells that aid in locomotion of a sponge are
porocytes
myocytes
choanocytes
none of these
Path of water in a sponge is
pinacocyte � choanocyte � osculum
osculum > spongocoel � ostia
ostia > spongocoel � osculum
osculum � ostia > spongocoel
Which is not a larva of sponge?
Planula
Stomogastrula
Amphiblastula
Terogastrula
Sponges belong to the phylum
sporozoa
mastigophora
porifera
coelenterata
Canal system is characteristic of
corals
sponges
sea urchin
sea horse
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
The spongocoel is lined by choanocytes in
Leucosolenia
Sycon
Euspnongia
Grautia
The commercial bath sponge is made up of
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
The gametes in sponges develop from
amoebocytes
archeocytes
choanocytes
myocytes
Lencosolenia is
free living, solitary, marine
free living, fresh water, solitary
free living, colonial, marine
Solitary, colonial, fresh water
The central cavity of the sponge is also called
ostea
gastral cavity
gut
gullet
A sponge is a
coelomata
acoelomata
metacoelomata
pseudocoelomates
Sponges capture their food by
pinacocytes
thesocytes
choamocytes
scleroblasts
The scientific name of commercial bath sponge is
Cliona
Hyalonema
Chalina
Euspongia
Larva of sponge is known as
planula larva
amphiblastula larva
trochophore larva
glochidium larva
The pathway of entring and coming out of water of sponges is
water vascular system
canal system
feeding current
circulating current
Exogenous budding, a type of asexual reproduction in sponges is known as
gemmulation
gemmation
regeneration
amphimixis
What is Euplectella commonly called ?
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge
The larva of Sycoti is
parenchyma
alanula
redia
amphib las tula
The skeleton of sponges is mostly composed of
choanocytes
scleroblasts
pinacocytes
amoebocytes
Which of the following is given as a gift in Japan?
Hyalonema
Tethya
Euplectalla
Pheronetna
If a carmine particle is put on the os~ culum of a living sponge, it will
adhere
rotate
be ingested
none of these
The canal system in sponges does not serve the function of
nutrition
respiration
excretion
sexual reproduction
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
Ostia are meant to
admit water current
pass out water current
ingest food
excrete waste products
Canal system in Leucosolenia is
asconoid
syconoid
leuconoid
rhagon
Sponges capture their food by
choanocytes
porocytes
amoebocytes
pinacocytes
The only fresh water species of sponges is
Scypha
Euspcmgia
Spongilla
None of these