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Phylum - Echinodermata MCQ - Multiple Choice Question and Answer

Phylum - Echinodermata MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Spines of the body of Sea urchin are

movable
immovable
prehensile
all of these

Question No : 9
Water vascular system helps in

locomotion
respiration
feeding
all of these

Question No : 10
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

Question No : 11
In Sea urchin, Aristotle's lantern is a part of

mouth apparatus
exoskeleton
skeletal system
bioluminscent organ

Question No : 12
Bipinnaria larva is found in the development of a

Sea-star
Star fish
Sea-cucumber
Sea lily

Question No : 13
Madreporite is associated with

haemal system
digestive system
ambulacral system
reproductive system

Question No : 14
Sea cucumber belongs to class

Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea