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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

Correct Answer :

B. Moliusca


Related Questions

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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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4

The common name of Octopus is

A. cuttlefish

B. squid

C. flying squid

D. devil fish

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4

Ink glands as a means of escape from predators are present in

A. Sepia (Caphalopoda)

B. Uttio (Pelecypoda)

C. Dentalium (Scaphopoda)

D. Pila (Gastropoda)

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4

The best developed brain than any other invertebrate is seen in

A. Octopus

B. Sepia

C. Mytilus

D. Teredo

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4

Sea mica is a marine mollusc. Its specific name is

A. Chiton

B. Unio

C. Teredo

D. Nautilus

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Sepia belongs to class

A. Amphineve

B. Gastropoda

C. Scaphopoda

D. Caphalopoda

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Pteropods are small marine gastropods, often termed as

A. elephant tusk shells

B. butterflies of the sea

C. lerrfons of the sea

D. cucumbers of the sea

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4

Prehensile tentacles of Cephalopoda are derived from

A. thoracic appendages

B. foot

C. head appendages

D. none of these

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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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4

Well marked cephalistion is found in

A. Gastropoda

B. Caphalopoda

C. Bivalvia

D. Scaphopoda

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4

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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4

An example of a true limpet is

A. Sepia

B. Loligo

C. Patella

D. Nautilus

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Sea hare is the common name of

A. Sepia

B. Octopus

C. Aplysia

D. Doris

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4

The respiratory organs in a fresh water mussel are

A. pulmonary sac

B. ctenidia

C. book lungs

D. trachea

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4

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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Which of the following produces a shell of great ornamental value ?

A. Pila

B. Unio

C. Mytilus

D. Nautilus

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4

Shipworm is

A. an annelid

B. an arthropod

C. an echinoderm

D. a mollusc

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4

The scientific name of sea mouse is

A. Chaetopterus

B. Aphrodite

C. Amphihite

D. Limidus

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A wood boring mollusc is

A. patella

B. limax

C. teredo

D. chiton

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'Pearl mother layer' is

A. prismatic layer

B. periostracum

C. nacre

D. mantle

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Pectan is commonly called

A. scallop

B. sea mussel

C. razor shell

D. any of these

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Devil fish is the common name of

A. Sepia

B. Loligo

C. Octopus

D. Mytilus

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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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The elephant tusk shell is

A. dentalium

B. cypraea

C. nautilus

D. pinctada

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Aplysia, a marine mollusc is commonly known as

A. devilfish

B. cuttlefish

C. black mussel

D. sea hare

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A radula is typically found in

A. Unio

B. Vila

C. Mytilus

D. Loligo

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Bivalve shell is found in the members of

A. Caphalopoda

B. Gastropoda

C. Pelecypoda

D. Scaphopoda

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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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4

Which of the following includes culminate unsegmented organisms ?

A. Annelida

B. Arthropoda

C. Mollusca

D. Chordata

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Internal shell is present in

A. Sepia

B. Lamellidens

C. Chiron

D. Pila