Which is not a larva of sponge?
Planula
Stomogastrula
Amphiblastula
Terogastrula
Correct Answer :
A. Planula
Related Questions
In leucosolenia, the scleroblasts perform the function of
absorption of food material
excretion
reproduction
formation of spicules
The central cavity of the sponge is also called
ostea
gastral cavity
gut
gullet
One of the characteristic features of the sponges is the presence of
vaselike globular body
a central cavity
radial symmetry
choanocyts
What is Euplectella commonly called ?
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge
A chamber which is common in different types of canal system:
Radial canal
Inhalant canal
Spongocoel
None of these
The pathway of entring and coming out of water of sponges is
water vascular system
canal system
feeding current
circulating current
Asexual reproduction in sponges is by forming buds and
gemmules
spicules
spongin fibres
choanocytes
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
Lencosolenia is
free living, solitary, marine
free living, fresh water, solitary
free living, colonial, marine
Solitary, colonial, fresh water
Collared, flagellated cells covering large parts of the inner chambers of sponges and helping to keep water circulating are
choanocytes
porocytes
pinacocytes
amoebocytes
Sponges capture their food by
pinacocytes
thesocytes
choamocytes
scleroblasts
The skeleton of sponges is mostly composed of
choanocytes
scleroblasts
pinacocytes
amoebocytes
Animals of phylum porifera are characterised by
diploblastic organisation
coelenteron
canal system
coelom
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
Larva of sponge is known as
planula larva
amphiblastula larva
trochophore larva
glochidium larva
The commercial bath sponge belongs to
porifera
gatropoda
coelenterata
ctenophora
Which of the following statements is true of sponges ?
One mouth and innumerable exits
Mouth serves for both, ingestion and egestion
Innumerable mouths and one exit
The body encloses a single cavity the coeienteron
Cells that aid in locomotion of a sponge are
porocytes
myocytes
choanocytes
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
The larva of Sycoti is
parenchyma
alanula
redia
amphib las tula
Which one of the following is a flagellated larva of Leucosolenia ?
Planula
Parenchymula
Maggot
Kedia
Exogenous budding, a type of asexual reproduction in sponges is known as
gemmulation
gemmation
regeneration
amphimixis
Canal system in Leucosolenia is
asconoid
syconoid
leuconoid
rhagon
The scientific name of commercial bath sponge is
Cliona
Hyalonema
Chalina
Euspongia
Which of the following is given as a gift in Japan?
Hyalonema
Tethya
Euplectalla
Pheronetna
The spongocoel is lined by choanocytes in
Leucosolenia
Sycon
Euspnongia
Grautia
The phylum porifera contains most primitive of multicellular animals called
corals
sea pen
comb jellies
sponges
Sycon belongs to the class
calcarea
porifera
hexactinellida
demospongia