Brittle star belongs to the class
Asteroidea
Crinoidea
Ophiuroidea
Holothuroidea
Correct Answer :
C. Ophiuroidea
Related Questions
A very well developed brain is present in
Starfish
Jellyfish
Cuttlefish
Fresh water mussel
The larvae of sea stars are
redia and cercaria
bipinnaria and brachiolaria
trochophore and aurecularia
none of these
The generic name of 'feather star' is
Asterias
Antedon
Echinus
Ophiothrix
Which one of the following Echinoder-mate is found in fresh water ?
Ophiothrix
Pentaceros
Antedon
None of these
Stone canal in star fish is associated with
digestive system
water vascular system
canal system
none of these
A calcareous box like test is found in
sand dollar
sea cucumber
sea flies
sea horse
Which one of these is an Echinoderm ?
Sand dollar
Jelly fish
Silver fish
All of these
Star fishes are
herbivorous
omnivorous
carnivorous
none of these
Which of the following systems is found in Echinoderms ?
Nervous system with a large brain
Respiratory system
System of internal seleton
Excretory system
Bipinnaria larva is found in the development of a
Sea-star
Star fish
Sea-cucumber
Sea lily
The locomotor organs of Echinoderms is called
parapodia
pseudopodia
setae
tube feet
Aristotle's lantern is
A fresh water echinoderm
An ancient Greak ship lantern shaped structure connected with balancing system of seal lily
A masticatory apparatus connected with digestive system in sea urchin
A seive plate connected with ambulacral system in sea star
Which of the following is a living fossil ?
Holothuria (sea cucumber)
Echinus (sea urchin)
Echittocardium (sand dollar)
Antedon (feather star)
The respiratory organs in a sea star are
ctenidia
dermal branchiae
book lungs
trachea
The Echinoderms are marine animals with
an exoskeleton
a spiny skin
bilateral symmetry
gastrovascular cavity
One of these is a stalked echinoderm
Antedon
Echinocardium
Ophiothrix
Pentaceros
Madriporite or seive plate is found in
Sea hares
Brittle stars
Star fishes
Sea fish
The terrestrial species of Echinodermata is *
(a) Starfish
(b) Brittle star
(c) Sea lily
(d) None of these
The larva of holothuroide is
torneria
onchosphere
trochophore
bipinnaria
The animal that moves with tube feet is
Snail
Slug
Nereis
Sea-urchin
In which of the Echinoderm, the arms, spines and pedicellaria are absent ?
Sea cucumber
Sea lily
Sea urchin
Sea star
Pedicellariae are modified
spines
tube feet
integumentary structures
none of these
The common name of Antedon is
Sea star
sea urchin
Sea cucumber
Feather star
Brittle star belongs to the class
Asteroidea
Crinoidea
Ophiuroidea
Holothuroidea
Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are
synapta and antedon
astrias and asterina
ophiothrix and ophioderma
all of these
Sea cucumber belongs to class
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea
Auricuiaria is the larva of
echinodea
holothuroidea
asteroidea
ophiuroidea
In Sea urchin, Aristotle's lantern is a part of
mouth apparatus
exoskeleton
skeletal system
bioluminscent organ
Which is not true of Echinoderms?
Schizocoelic coelom
Water vascular system
Spines in the body mass
Marine habitat
Water vascular system helps in
locomotion
respiration
feeding
all of these