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Current Affairs January 2024

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4

The generic name of apple snail is

A. Pila

B. Aplysia

C. Helix

D. Aphrodite

Correct Answer :

A. Pila


Related Questions

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4

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

Sepia and Octopus are marine molluscs and their swift locomotion in water is affected by

A. expelling water in a jet through siphon

B. lashing moment of their cephalic arms

C. characteristic undulations of their lateral fins

D. none of these

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4

A wood boring mollusc is

A. patella

B. limax

C. teredo

D. chiton

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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

The most primitive mollusc is

A. Neoplina

B. Chiton

C. Dentalium

D. Patella

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4

Sepia belongs to class

A. Amphineve

B. Gastropoda

C. Scaphopoda

D. Caphalopoda

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4

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

A. Pinctada

B. Unio

C. Anodonta

D. Ostrea

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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

Prehensile tentacles of Cephalopoda are derived from

A. thoracic appendages

B. foot

C. head appendages

D. none of these

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4

The intermediate host of liver fluke are fresh water snails

A. limax and helix

B. pila and helix

C. lymnaea and planorbis

D. none of these

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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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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 scientific name of sea mouse is

A. Chaetopterus

B. Aphrodite

C. Amphihite

D. Limidus

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4

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

Which of the following includes culminate unsegmented organisms ?

A. Annelida

B. Arthropoda

C. Mollusca

D. Chordata

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4

Strike out the odd things :

A. Crab

B. Aretticola

C. Milipede

D. Centipede

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4

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

A. Pila

B. Unio

C. Mytilus

D. Nautilus

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4

Sea hare is the common name of

A. Sepia

B. Octopus

C. Aplysia

D. Doris

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4

Well marked cephalistion is found in

A. Gastropoda

B. Caphalopoda

C. Bivalvia

D. Scaphopoda

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4

Shipworm is

A. an annelid

B. an arthropod

C. an echinoderm

D. a mollusc

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4

Well developed radula is absent in

A. Gastropoda

B. Criton

C. Bivalvia

D. Monoplacophora

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4

The blood pigment of moliusca is

A. myoglobin

B. anthocyanin

C. haemocyanin

D. hemoglobin

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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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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

Osphradium is to test purity of water in

A. Pila

B. Starfish

C. Housefly

D. Earthworm

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4

Scientific name of shipworm is

A. Pholas

B. Teredo

C. Solen

D. Dentalium

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4

'Pearl mother layer' is

A. prismatic layer

B. periostracum

C. nacre

D. mantle

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4

The elephant tusk shell is

A. dentalium

B. cypraea

C. nautilus

D. pinctada

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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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4

Bivalve shell is found in the members of

A. Caphalopoda

B. Gastropoda

C. Pelecypoda

D. Scaphopoda