Madriporite or seive plate is found in
Sea hares
Brittle stars
Star fishes
Sea fish
Correct Answer :
C. Star fishes
Related Questions
The animal that moves with tube feet is
Snail
Slug
Nereis
Sea-urchin
The larva that occurs in the development of Sea urchin is
pluteus
echinopluteus
bipinnaria
auricularia
In star fish which of the following has dual function of locomotion and respiration
Axial sinus
Dermal papillae
Tube feet
Tiedamann bodies
The star fish zygote develops into a
bipinnaria
glochidium
auralia
echinus
In which of the Echinoderm, the arms, spines and pedicellaria are absent ?
Sea cucumber
Sea lily
Sea urchin
Sea star
A calcareous box like test is found in
sand dollar
sea cucumber
sea flies
sea horse
The respiratory organs in a sea star are
ctenidia
dermal branchiae
book lungs
trachea
Sea cucumber belongs to 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
Which of the following systems is found in Echinoderms ?
Nervous system with a large brain
Respiratory system
System of internal seleton
Excretory system
The star fish's pyloric caeca are organs of
excretion
absorption
reproduction
respiration
The common name of Antedon is
Sea star
sea urchin
Sea cucumber
Feather star
Aristotle's Lantern is present in
Sea cucumber
Brittle star
Feather star
Both (b) and (c)
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 larva of holothuroide is
torneria
onchosphere
trochophore
bipinnaria
Brittle star belongs to the class
Asteroidea
Crinoidea
Ophiuroidea
Holothuroidea
A very well developed brain is present in
Starfish
Jellyfish
Cuttlefish
Fresh water mussel
The locomotor organs of Echinoderms is called
parapodia
pseudopodia
setae
tube feet
Which one of these is an Echinoderm ?
Sand dollar
Jelly fish
Silver fish
All of these
Auricuiaria is the larva of
echinodea
holothuroidea
asteroidea
ophiuroidea
Ambulacral system or water vascular system is typically found in
coelenterates
marine arthropods
echinodermates
sponges
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
The generic name of 'feather star' is
Asterias
Antedon
Echinus
Ophiothrix
Sea cucumber belongs to the class
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea
Main difference between starfishes and brittle stars is in the
number of arms
structure of the ambulacral groove
tube feet
pedicellariae
In Sea urchin, Aristotle's lantern is a part of
mouth apparatus
exoskeleton
skeletal system
bioluminscent organ
Stone canal in star fish is associated with
digestive system
water vascular system
canal system
none of these
Which one of the following Echinoder-mate is found in fresh water ?
Ophiothrix
Pentaceros
Antedon
None of these
Madreporite is associated with
haemal system
digestive system
ambulacral system
reproductive system