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4

The common name of Octopus is

A. cuttlefish

B. squid

C. flying squid

D. devil fish

Correct Answer :

D. devil fish


Related Questions

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A radula is typically found in

A. Unio

B. Vila

C. Mytilus

D. Loligo

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4

The common name of Octopus is

A. cuttlefish

B. squid

C. flying squid

D. devil fish

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4

Bivalve shell is found in the members of

A. Caphalopoda

B. Gastropoda

C. Pelecypoda

D. Scaphopoda

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The generic name of apple snail is

A. Pila

B. Aplysia

C. Helix

D. Aphrodite

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Pearls of commercial value are produced by which of the following genera ?

A. Pinctada

B. Unio

C. Anodonta

D. Ostrea

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Identify the larva which is present only in members of gastropoda :

A. Trochophore

B. Veliger

C. Glochidium

D. Muller's larva

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Head, foot and visceral mass - this combination of characters is diagnostic of

A. Echinodenns

B. Arthropods

C. Molluscs

D. Annelida

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Shipworm is

A. an annelid

B. an arthropod

C. an echinoderm

D. a mollusc

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The reduced foot and tubular sheil is present in

A. Gastropoda

B. Scaphopoda

C. Bivalva

D. Cephalopoda

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4

The respiratory organs in a freshwater mussel are

A. book lungs

B. pulmonary sacs

C. gills

D. respiratory siphons

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4

The largest clam of Indian ocean is

A. Unio

B. Mytilus

C. Teredo

D. Tridacna

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4

The blood pigment of moliusca is

A. myoglobin

B. anthocyanin

C. haemocyanin

D. hemoglobin

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Scientific name of shipworm is

A. Pholas

B. Teredo

C. Solen

D. Dentalium

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4

The elephant tusk shell is

A. dentalium

B. cypraea

C. nautilus

D. pinctada

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Sea foam which is drifted to the sea shores is a/an

A. external shell of cuttle fish

B. internal shell of cuttle fish

C. bones of octopus

D. calcareous matter of cuttle fish

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4

Cephalopoda is a class of animals in which

A. foot is located on head

B. head is fused with thorax

C. head is located on foot

D. notochord extends upto cephalic region

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A mollusc which is adapted to an amphibious mode of life is

A. sea hare

B. Pond snail

C. fresh water mussel

D. chiton

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A wood boring mollusc, well known for causing damage to ships and docks is

A. Teredo

B. Doris

C. Loligo

D. Octopus

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Osphradium in molluscs is

A. a sensory organ for balancing

B. a sensory organ for smell

C. swimming organ

D. none of these

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Which of the following invertebrate phylum has the eye structure nearest to that of vertebrates ?

A. Annelida

B. Moliusca

C. Echinodermata

D. Arthropoda

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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

A. Mikimoto

B. Katu

C. Haeckel

D. Von Mohl

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The best developed brain than any other invertebrate is seen in

A. Octopus

B. Sepia

C. Mytilus

D. Teredo

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Internal shell is present in

A. Sepia

B. Lamellidens

C. Chiron

D. Pila

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A group of molluscs with 4 large ctenidia is presented by

A. Nautilus

B. Pila

C. Argpnata

D. Unio

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Sea hare is the common name of

A. Sepia

B. Octopus

C. Aplysia

D. Doris

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Prehensile tentacles of Cephalopoda are derived from

A. thoracic appendages

B. foot

C. head appendages

D. none of these

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Sea mica is a marine mollusc. Its specific name is

A. Chiton

B. Unio

C. Teredo

D. Nautilus

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The most primitive mollusc is

A. Neoplina

B. Chiton

C. Dentalium

D. Patella

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Which of the following includes culminate unsegmented organisms ?

A. Annelida

B. Arthropoda

C. Mollusca

D. Chordata

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Exclusively marine molluscs are

A. Caphalopods

B. Scaphopods

C. Bivalva

D. Gastropods