Osphradium is to test purity of water in
Pila
Starfish
Housefly
Earthworm
Correct Answer :
A. Pila
Related Questions
Pearls of commercial value are produced by which of the following genera ?
Pinctada
Unio
Anodonta
Ostrea
The most primitive mollusc is
Neoplina
Chiton
Dentalium
Patella
Internal shell is present in
Sepia
Lamellidens
Chiron
Pila
An example of a true limpet is
Sepia
Loligo
Patella
Nautilus
Osphradium in molluscs is
a sensory organ for balancing
a sensory organ for smell
swimming organ
none of these
The blood pigment of moliusca is
myoglobin
anthocyanin
haemocyanin
hemoglobin
Pteropods are small marine gastropods, often termed as
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
Cypraea belong to class
Pelecypoda
Scaphopoda
Bivalva
Gastropoda
The respiratory organs in a fresh water mussel are
pulmonary sac
ctenidia
book lungs
trachea
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
Shipworm is
an annelid
an arthropod
an echinoderm
a mollusc
Pectan is commonly called
scallop
sea mussel
razor shell
any of these
The generic name of apple snail is
Pila
Aplysia
Helix
Aphrodite
Osphradium is to test purity of water in
Pila
Starfish
Housefly
Earthworm
A wood boring mollusc, well known for causing damage to ships and docks is
Teredo
Doris
Loligo
Octopus
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
'Pearl mother layer' is
prismatic layer
periostracum
nacre
mantle
Sea hare is the common name of
Sepia
Octopus
Aplysia
Doris
Identify the larva which is present only in members of gastropoda :
Trochophore
Veliger
Glochidium
Muller's larva
The intermediate host of liver fluke are fresh water snails
limax and helix
pila and helix
lymnaea and planorbis
none of these
A group of molluscs with 4 large ctenidia is presented by
Nautilus
Pila
Argpnata
Unio
A mollusc which is adapted to an amphibious mode of life is
sea hare
Pond snail
fresh water mussel
chiton
Well developed radula is absent in
Gastropoda
Criton
Bivalvia
Monoplacophora
Which of the following includes culminate unsegmented organisms ?
Annelida
Arthropoda
Mollusca
Chordata
Strike out the odd things :
Crab
Aretticola
Milipede
Centipede
The common name of Octopus is
cuttlefish
squid
flying squid
devil fish
A radula is typically found in
Unio
Vila
Mytilus
Loligo
Exclusively marine molluscs are
Caphalopods
Scaphopods
Bivalva
Gastropods
The scientific name of sea mouse is
Chaetopterus
Aphrodite
Amphihite
Limidus
Head, foot and visceral mass - this combination of characters is diagnostic of
Echinodenns
Arthropods
Molluscs
Annelida