In Echinodermata

What is the meaning of the term Echinodermata? What are the characters of Echinodermata?

What are the characteristic features of Echinodermata? Give examples.

Identify the mismatched pair. 1) Nematoda - Flame cells 2) Mollusca - Meta nephridia 3) Echinodermata - Canal system

Water vascular system is the characteristic of which group of the following: (a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata

Give any two characters of Echinodermata.

Match the column A with column B and choose the correct option {:(Column A,Column B,),((a)"Porifera",(i)"Canal system",),((b )"Aschelminthes",(ii)"Water-vascular system",),((c )"Annelida",(iii)"Muscular pharynx",),((d)"Arthopoda",(iv)"Jointed appendages",),((e)"Echinodermata",(v)"Metameres",):}

Match the items given in Column -I with those in Column -II and select the correct option from the codes given below . {:(Column-I,Column-II),((a)" Jelly fish ",(i) "Arthropoda"),((b)"Cray fish",(ii)"Echinodermata"),((c )"Devil fish",(iii) "Mollusca"),((d)"Star fish",(iv)"Coelenterarata"):}

Which one of the following phyla is correctly matched with its two general characteristics ? {:((1)"Echinodermata",-(i)"Radial symmetry (ii) "Internal fertilization"",),((2)"mollusca",- (i)"Oviparous reproduction (ii) Trochophore or veliger larva",),((3)"Arthropoda",- "(i)Striated muscles (ii)Radula",),((4) "Annelida",-"(i)Prapodia for locomotion (ii) Tracheae for respiration",):}