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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

Correct Answer :

D. (d) None of these


Related Questions

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Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

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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Spines of the body of Sea urchin are

A. movable

B. immovable

C. prehensile

D. all 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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The common name of Antedon is

A. Sea star

B. sea urchin

C. Sea cucumber

D. Feather star

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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 star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

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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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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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Ambulacral system or water vascular system is typically found in

A. coelenterates

B. marine arthropods

C. echinodermates

D. sponges

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Pedicellariae are modified

A. spines

B. tube feet

C. integumentary structures

D. none of these

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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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Madriporite or seive plate is found in

A. Sea hares

B. Brittle stars

C. Star fishes

D. Sea fish

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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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A calcareous box like test is found in

A. sand dollar

B. sea cucumber

C. sea flies

D. sea horse

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Water vascular system helps in

A. locomotion

B. respiration

C. feeding

D. all 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 larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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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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Sea cucumber belongs to class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

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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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A very well developed brain is present in

A. Starfish

B. Jellyfish

C. Cuttlefish

D. Fresh water mussel

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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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Water vascular system is found in

A. Star fish

B. Sea fan

C. Ship worm

D. None of these

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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 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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The star fish zygote develops into a

A. bipinnaria

B. glochidium

C. auralia

D. echinus

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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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Sea cucumber belongs to the class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea