The most primitive mollusc is
Neoplina
Chiton
Dentalium
Patella
Correct Answer :
A. Neoplina
Related Questions
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
Which of the following includes culminate unsegmented organisms ?
Annelida
Arthropoda
Mollusca
Chordata
Cephalopoda is a class of animals in which
foot is located on head
head is fused with thorax
head is located on foot
notochord extends upto cephalic region
Osphradium is to test purity of water in
Pila
Starfish
Housefly
Earthworm
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
The respiratory organs in a freshwater mussel are
book lungs
pulmonary sacs
gills
respiratory siphons
The best developed brain than any other invertebrate is seen in
Octopus
Sepia
Mytilus
Teredo
Sea hare is the common name of
Sepia
Octopus
Aplysia
Doris
A wood boring mollusc is
patella
limax
teredo
chiton
A group of molluscs with 4 large ctenidia is presented by
Nautilus
Pila
Argpnata
Unio
The method of induction of foreign particles between the mantle and the shell of the pearl oyster and thus stimulating the pearl formation, was introduced in Japan by
Mikimoto
Katu
Haeckel
Von Mohl
A radula is typically found in
Unio
Vila
Mytilus
Loligo
Aplysia, a marine mollusc is commonly known as
devilfish
cuttlefish
black mussel
sea hare
The generic name of apple snail is
Pila
Aplysia
Helix
Aphrodite
The blood pigment of moliusca is
myoglobin
anthocyanin
haemocyanin
hemoglobin
Well developed radula is absent in
Gastropoda
Criton
Bivalvia
Monoplacophora
The intermediate host of liver fluke are fresh water snails
limax and helix
pila and helix
lymnaea and planorbis
none of these
The largest clam of Indian ocean is
Unio
Mytilus
Teredo
Tridacna
Pearls of commercial value are produced by which of the following genera ?
Pinctada
Unio
Anodonta
Ostrea
Bivalve shell is found in the members of
Caphalopoda
Gastropoda
Pelecypoda
Scaphopoda
Pteropods are small marine gastropods, often termed as
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
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
The reduced foot and tubular sheil is present in
Gastropoda
Scaphopoda
Bivalva
Cephalopoda
Shipworm is
an annelid
an arthropod
an echinoderm
a mollusc
Identify the larva which is present only in members of gastropoda :
Trochophore
Veliger
Glochidium
Muller's larva
Head, foot and visceral mass - this combination of characters is diagnostic of
Echinodenns
Arthropods
Molluscs
Annelida
The respiratory organs in a fresh water mussel are
pulmonary sac
ctenidia
book lungs
trachea
The most primitive mollusc is
Neoplina
Chiton
Dentalium
Patella