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4

Sea cucumber belongs to the class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

Correct Answer :

C. Holothuroidea


Related Questions

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4

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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4

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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4

Aristotle's Lantern is present in

A. Sea cucumber

B. Brittle star

C. Feather star

D. Both (b) and (c)

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4

In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

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4

Ambulacral system or water vascular system is typically found in

A. coelenterates

B. marine arthropods

C. echinodermates

D. sponges

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4

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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4

One of these is a stalked echinoderm

A. Antedon

B. Echinocardium

C. Ophiothrix

D. Pentaceros

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4

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

The larva that occurs in the development of Sea urchin is

A. pluteus

B. echinopluteus

C. bipinnaria

D. auricularia

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4

Water vascular system helps in

A. locomotion

B. respiration

C. feeding

D. all of these

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4

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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4

The respiratory organs in a sea star are

A. ctenidia

B. dermal branchiae

C. book lungs

D. trachea

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4

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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4

Class Holothuroidea of phylum Echinodermat a includes

A. Sea stars

B. Cake urchins

C. Sea lilies

D. Sea cucumbers

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4

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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4

Sea cucumber belongs to the class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

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4

Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

D. none of these

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4

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

A. coelenterates

B. polychaetes

C. echinodermates

D. hemichordates

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4

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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4

The Echinoderms are marine animals with

A. an exoskeleton

B. a spiny skin

C. bilateral symmetry

D. gastrovascular cavity

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4

The common name of Antedon is

A. Sea star

B. sea urchin

C. Sea cucumber

D. Feather star

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4

Madriporite or seive plate is found in

A. Sea hares

B. Brittle stars

C. Star fishes

D. Sea fish

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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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4

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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4

Which one of these is an Echinoderm ?

A. Sand dollar

B. Jelly fish

C. Silver fish

D. All of these

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4

The larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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4

Spines of the body of Sea urchin are

A. movable

B. immovable

C. prehensile

D. all of these

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4

Water vascular system is found in

A. Star fish

B. Sea fan

C. Ship worm

D. None of these

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4

The star fish's pyloric caeca are organs of

A. excretion

B. absorption

C. reproduction

D. respiration

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4

Bipinnaria larva is found in the development of a

A. Sea-star

B. Star fish

C. Sea-cucumber

D. Sea lily