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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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The generic name of 'feather star' is

A. Asterias

B. Antedon

C. Echinus

D. Ophiothrix

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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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The common name of Antedon is

A. Sea star

B. sea urchin

C. Sea cucumber

D. Feather star

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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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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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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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Aristotle's Lantern is present in

A. Sea cucumber

B. Brittle star

C. Feather star

D. Both (b) and (c)

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Ambulacral system or water vascular system is typically found in

A. coelenterates

B. marine arthropods

C. echinodermates

D. sponges

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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 star fish zygote develops into a

A. bipinnaria

B. glochidium

C. auralia

D. echinus

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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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In Sea urchin, Aristotle's lantern is a part of

A. mouth apparatus

B. exoskeleton

C. skeletal system

D. bioluminscent organ

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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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The larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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A very well developed brain is present in

A. Starfish

B. Jellyfish

C. Cuttlefish

D. Fresh water mussel

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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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Water vascular system is found in

A. Star fish

B. Sea fan

C. Ship worm

D. None of these

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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's pyloric caeca are organs of

A. excretion

B. absorption

C. reproduction

D. respiration

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In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

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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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Auricuiaria is the larva of

A. echinodea

B. holothuroidea

C. asteroidea

D. ophiuroidea

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The locomotor organs of Echinoderms is called

A. parapodia

B. pseudopodia

C. setae

D. tube feet

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Brittle star belongs to the class

A. Asteroidea

B. Crinoidea

C. Ophiuroidea

D. Holothuroidea

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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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Madreporite is associated with

A. haemal system

B. digestive system

C. ambulacral system

D. reproductive system

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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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Pedicellariae are modified

A. spines

B. tube feet

C. integumentary structures

D. none of these

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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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Which one of these is an Echinoderm ?

A. Sand dollar

B. Jelly fish

C. Silver fish

D. All of these