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A calcareous box like test is found in

A. sand dollar

B. sea cucumber

C. sea flies

D. sea horse

Correct Answer :

A. sand dollar


Related Questions

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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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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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One of these is a stalked echinoderm

A. Antedon

B. Echinocardium

C. Ophiothrix

D. Pentaceros

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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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Madriporite or seive plate is found in

A. Sea hares

B. Brittle stars

C. Star fishes

D. Sea fish

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Class Holothuroidea of phylum Echinodermat a includes

A. Sea stars

B. Cake urchins

C. Sea lilies

D. Sea cucumbers

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

A. coelenterates

B. polychaetes

C. echinodermates

D. hemichordates

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Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

D. none of these

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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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Auricuiaria is the larva of

A. echinodea

B. holothuroidea

C. asteroidea

D. ophiuroidea

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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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4

A very well developed brain is present in

A. Starfish

B. Jellyfish

C. Cuttlefish

D. Fresh water mussel

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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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Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are

A. synapta and antedon

B. astrias and asterina

C. ophiothrix and ophioderma

D. all of these

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Brittle star belongs to the class

A. Asteroidea

B. Crinoidea

C. Ophiuroidea

D. Holothuroidea

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Sea cucumber belongs to the class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

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The star fish zygote develops into a

A. bipinnaria

B. glochidium

C. auralia

D. echinus

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Which of the following is a living fossil ?

A. Holothuria (sea cucumber)

B. Echinus (sea urchin)

C. Echittocardium (sand dollar)

D. Antedon (feather star)

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The locomotor organs of Echinoderms is called

A. parapodia

B. pseudopodia

C. setae

D. tube feet

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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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The star fish's pyloric caeca are organs of

A. excretion

B. absorption

C. reproduction

D. respiration

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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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The generic name of 'feather star' is

A. Asterias

B. Antedon

C. Echinus

D. Ophiothrix

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Which is not true of Echinoderms?

A. Schizocoelic coelom

B. Water vascular system

C. Spines in the body mass

D. Marine habitat

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Aristotle's lantern is

A. A fresh water echinoderm

B. An ancient Greak ship lantern shaped structure connected with balancing system of seal lily

C. A masticatory apparatus connected with digestive system in sea urchin

D. A seive plate connected with ambulacral system in sea star

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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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Which of the following systems is found in Echinoderms ?

A. Nervous system with a large brain

B. Respiratory system

C. System of internal seleton

D. Excretory system

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The larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia