Water vascular system is found in
Star fish
Sea fan
Ship worm
None of these
Correct Answer :
A. Star fish
Related Questions
Sea cucumber belongs to the class
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea
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
Bipinnaria larva is found in the development of a
Sea-star
Star fish
Sea-cucumber
Sea lily
Which of the following is a living fossil ?
Holothuria (sea cucumber)
Echinus (sea urchin)
Echittocardium (sand dollar)
Antedon (feather star)
The star fish zygote develops into a
bipinnaria
glochidium
auralia
echinus
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 one of the following Echinoder-mate is found in fresh water ?
Ophiothrix
Pentaceros
Antedon
None of these
Animals which exhibit radial, pen-tamerous symmetry in adults, and bilateral symmetry amongst larvae, are
sea-hares
sea-stars
devil fish
sea fans
Stone canal in star fish is associated with
digestive system
water vascular system
canal system
none of these
Which is not true of Echinoderms?
Schizocoelic coelom
Water vascular system
Spines in the body mass
Marine habitat
The terrestrial species of Echinodermata is *
(a) Starfish
(b) Brittle star
(c) Sea lily
(d) None of these
The generic name of 'feather star' is
Asterias
Antedon
Echinus
Ophiothrix
A calcareous box like test is found in
sand dollar
sea cucumber
sea flies
sea horse
Madreporite is associated with
haemal system
digestive system
ambulacral system
reproductive system
The animal that moves with tube feet is
Snail
Slug
Nereis
Sea-urchin
The star fish's pyloric caeca are organs of
excretion
absorption
reproduction
respiration
Water vascular system is found in
Star fish
Sea fan
Ship worm
None of these
The Echinoderms are marine animals with
an exoskeleton
a spiny skin
bilateral symmetry
gastrovascular cavity
Spines of the body of Sea urchin are
movable
immovable
prehensile
all of these
Sea cucumber belongs to class
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea
Star fishes are
herbivorous
omnivorous
carnivorous
none of these
The locomotor organs of Echinoderms is called
parapodia
pseudopodia
setae
tube feet
In star fish the locomotary organs are
tube feet
lobopodia
cephalopodia
rhizopodia
In star fish which of the following has dual function of locomotion and respiration
Axial sinus
Dermal papillae
Tube feet
Tiedamann bodies
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
In which of the Echinoderm, the arms, spines and pedicellaria are absent ?
Sea cucumber
Sea lily
Sea urchin
Sea star
In Sea urchin, Aristotle's lantern is a part of
mouth apparatus
exoskeleton
skeletal system
bioluminscent organ
Main difference between starfishes and brittle stars is in the
number of arms
structure of the ambulacral groove
tube feet
pedicellariae
One of these is a stalked echinoderm
Antedon
Echinocardium
Ophiothrix
Pentaceros