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Which one of these is an Echinoderm ?

A. Sand dollar

B. Jelly fish

C. Silver fish

D. All of these

Correct Answer :

A. Sand dollar


Related Questions

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Animals with radial symmetry in adults and bilateral symmetry in larvae are

A. coelenterates

B. polychaetes

C. echinodermates

D. hemichordates

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In star fish which of the following has dual function of locomotion and respiration

A. Axial sinus

B. Dermal papillae

C. Tube feet

D. Tiedamann bodies

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Which one of the following Echinoder-mate is found in fresh water ?

A. Ophiothrix

B. Pentaceros

C. Antedon

D. None of these

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Which one of these is an Echinoderm ?

A. Sand dollar

B. Jelly fish

C. Silver fish

D. All of these

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Auricuiaria is the larva of

A. echinodea

B. holothuroidea

C. asteroidea

D. ophiuroidea

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Water vascular system helps in

A. locomotion

B. respiration

C. feeding

D. all of these

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The animal that moves with tube feet is

A. Snail

B. Slug

C. Nereis

D. Sea-urchin

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In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

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Aristotle's Lantern is present in

A. Sea cucumber

B. Brittle star

C. Feather star

D. Both (b) and (c)

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The larva that occurs in the development of Sea urchin is

A. pluteus

B. echinopluteus

C. bipinnaria

D. auricularia

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Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

D. none of these

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The respiratory organs in a sea star are

A. ctenidia

B. dermal branchiae

C. book lungs

D. trachea

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The terrestrial species of Echinodermata is *

A. (a) Starfish

B. (b) Brittle star

C. (c) Sea lily

D. (d) None of these

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The larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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The Echinoderms are marine animals with

A. an exoskeleton

B. a spiny skin

C. bilateral symmetry

D. gastrovascular cavity

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Main difference between starfishes and brittle stars is in the

A. number of arms

B. structure of the ambulacral groove

C. tube feet

D. pedicellariae

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Spines of the body of Sea urchin are

A. movable

B. immovable

C. prehensile

D. all of these

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Madreporite is associated with

A. haemal system

B. digestive system

C. ambulacral system

D. reproductive system

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Stone canal in star fish is associated with

A. digestive system

B. water vascular system

C. canal system

D. none of these

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One of these is a stalked echinoderm

A. Antedon

B. Echinocardium

C. Ophiothrix

D. Pentaceros

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A calcareous box like test is found in

A. sand dollar

B. sea cucumber

C. sea flies

D. sea horse

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Bipinnaria larva is found in the development of a

A. Sea-star

B. Star fish

C. Sea-cucumber

D. Sea lily

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Sea cucumber belongs to class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

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In which of the Echinoderm, the arms, spines and pedicellaria are absent ?

A. Sea cucumber

B. Sea lily

C. Sea urchin

D. Sea star

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The larvae of sea stars are

A. redia and cercaria

B. bipinnaria and brachiolaria

C. trochophore and aurecularia

D. none of these

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Brittle star belongs to the class

A. Asteroidea

B. Crinoidea

C. Ophiuroidea

D. Holothuroidea

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Pedicellariae are modified

A. spines

B. tube feet

C. integumentary structures

D. none of these

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Animals which exhibit radial, pen-tamerous symmetry in adults, and bilateral symmetry amongst larvae, are

A. sea-hares

B. sea-stars

C. devil fish

D. sea fans

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The star fish's pyloric caeca are organs of

A. excretion

B. absorption

C. reproduction

D. respiration

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The common name of Antedon is

A. Sea star

B. sea urchin

C. Sea cucumber

D. Feather star