Animal Kingdom Question 769
Question: Which one of the following statement is true about an organism and its classification [AIEEE (Pharmacy) 2004; AMU 2005]
Options:
A) Blue green alga is kind of fungus
B) Sea horse is closely related to dolphim
C) Maiden hair tree is a kind of angiosperm
D) Sea lily is a kind of echninoderm
Show Answer
Answer:
Correct Answer: D
Solution:
Sea liy belong to class crinoidea of phylum echinodermata.
Echinoderms possess both exoskeleton and end skeleton.
The endoskeleton consist of calcareous plates or ossicles while exoskeleton consist of spines and pedicellariae.
Aristotle?s lantern is a five teeth masticatory apparatus which is present surrounding to the mouth.
In is used by sea urchin for feeding.
Presence of Aristotles lantern is characteristic of class Echinodea.
BETA
