Well marked cephalistion is found in
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
Correct Answer :
C. Bivalvia
Related Questions
The respiratory organs in a fresh water mussel are
pulmonary sac
ctenidia
book lungs
trachea
Osphradium in molluscs is
a sensory organ for balancing
a sensory organ for smell
swimming organ
none of these
The common name of Octopus is
cuttlefish
squid
flying squid
devil fish
Sepia belongs to class
Amphineve
Gastropoda
Scaphopoda
Caphalopoda
Sea foam which is drifted to the sea shores is a/an
external shell of cuttle fish
internal shell of cuttle fish
bones of octopus
calcareous matter of cuttle fish
Head, foot and visceral mass - this combination of characters is diagnostic of
Echinodenns
Arthropods
Molluscs
Annelida
Internal shell is present in
Sepia
Lamellidens
Chiron
Pila
Which of the following produces a shell of great ornamental value ?
Pila
Unio
Mytilus
Nautilus
Sea mica is a marine mollusc. Its specific name is
Chiton
Unio
Teredo
Nautilus
Shipworm is
an annelid
an arthropod
an echinoderm
a mollusc
The scientific name of sea mouse is
Chaetopterus
Aphrodite
Amphihite
Limidus
Osphradium is to test purity of water in
Pila
Starfish
Housefly
Earthworm
The reduced foot and tubular sheil is present in
Gastropoda
Scaphopoda
Bivalva
Cephalopoda
'Pearl mother layer' is
prismatic layer
periostracum
nacre
mantle
Well developed radula is absent in
Gastropoda
Criton
Bivalvia
Monoplacophora
Bivalve shell is found in the members of
Caphalopoda
Gastropoda
Pelecypoda
Scaphopoda
The largest clam of Indian ocean is
Unio
Mytilus
Teredo
Tridacna
A group of molluscs with 4 large ctenidia is presented by
Nautilus
Pila
Argpnata
Unio
The intermediate host of liver fluke are fresh water snails
limax and helix
pila and helix
lymnaea and planorbis
none of these
Prehensile tentacles of Cephalopoda are derived from
thoracic appendages
foot
head appendages
none of these
A radula is typically found in
Unio
Vila
Mytilus
Loligo
Well marked cephalistion is found in
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
The largest invertebrate is
giant clam
giant squid
giant Snail
giant octopus
The elephant tusk shell is
dentalium
cypraea
nautilus
pinctada
Sepia and Octopus are marine molluscs and their swift locomotion in water is affected by
expelling water in a jet through siphon
lashing moment of their cephalic arms
characteristic undulations of their lateral fins
none of these
Scientific name of shipworm is
Pholas
Teredo
Solen
Dentalium
Aplysia, a marine mollusc is commonly known as
devilfish
cuttlefish
black mussel
sea hare
Which of the following invertebrate phylum has the eye structure nearest to that of vertebrates ?
Annelida
Moliusca
Echinodermata
Arthropoda
A mollusc which is adapted to an amphibious mode of life is
sea hare
Pond snail
fresh water mussel
chiton
An example of a true limpet is
Sepia
Loligo
Patella
Nautilus