Larva of sponge is known as
planula larva
amphiblastula larva
trochophore larva
glochidium larva
Correct Answer :
B. amphiblastula larva
Related Questions
The gametes in sponges develop from
amoebocytes
archeocytes
choanocytes
myocytes
The only fresh water species of sponges is
Scypha
Euspcmgia
Spongilla
None of these
The larva of Sycoti is
parenchyma
alanula
redia
amphib las tula
Path of water in a sponge is
pinacocyte � choanocyte � osculum
osculum > spongocoel � ostia
ostia > spongocoel � osculum
osculum � ostia > spongocoel
The central cavity of the sponge is also called
ostea
gastral cavity
gut
gullet
The commercial bath sponge is made up of
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
Lencosolenia is
free living, solitary, marine
free living, fresh water, solitary
free living, colonial, marine
Solitary, colonial, fresh water
If a carmine particle is put on the os~ culum of a living sponge, it will
adhere
rotate
be ingested
none of these
Gemmules are helpful in
digestion
sexual reproduction
asexual reproduction
current circulation
Canal system in Leucosolenia is
asconoid
syconoid
leuconoid
rhagon
Sponges capture their food by
pinacocytes
thesocytes
choamocytes
scleroblasts
The animal nature of sponges was established by
Robert Grant
Trembly
Robert Brown
Ellias
Sponges capture their food by
choanocytes
porocytes
amoebocytes
pinacocytes
In leucosolenia, the scleroblasts perform the function of
absorption of food material
excretion
reproduction
formation of spicules
The canal system in sponges does not serve the function of
nutrition
respiration
excretion
sexual reproduction
Nervous system in sponges
is well developed
is in the form of a network
is made up of several interconnected ganglia
is absent
Cells that aid in locomotion of a sponge are
porocytes
myocytes
choanocytes
none of these
What is Euplectella commonly called ?
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge
A sponge is a
coelomata
acoelomata
metacoelomata
pseudocoelomates
Animals of phylum porifera are characterised by
diploblastic organisation
coelenteron
canal system
coelom
Sponges with a skeleton of calcium carbonate belongs to the class
calcarea
demospongia
anthozoa
hexactinellida
Food is stored in-of sponges.
trophocytes
thesocytes
desmocytes
archeocytes
Sponges are not found in
cold water
sea water
sandy shore
brackish water
The scientific name of commercial bath sponge is
Cliona
Hyalonema
Chalina
Euspongia
Phylogenetically, the sponges have evolved from
protozoans
flagellates
choano flagellate
ciliates
Ostia are meant to
admit water current
pass out water current
ingest food
excrete waste products
The phylum porifera contains most primitive of multicellular animals called
corals
sea pen
comb jellies
sponges
Asexual reproduction in sponges is by forming buds and
gemmules
spicules
spongin fibres
choanocytes
The commercial bath sponge belongs to
porifera
gatropoda
coelenterata
ctenophora
Exogenous budding, a type of asexual reproduction in sponges is known as
gemmulation
gemmation
regeneration
amphimixis