A) Male round worm is smaller than female
B) Earthworms are hermaphrodites
C) Echinoderms are protostomous coelomates
D) Human teeth are anatomically comparable to scales of shark
E) Hair is a derivative of skin
Correct Answer: C
Solution :
Protostomia are the animals in which blastopore of gastrula becomes the mouth of the adult, eg, Annelida, Arthropoda, Mollusca. In protostome, coelom forms by splitting of mesoderm i.e., schizocoelous. Deuterostomia are the animals in which blastopore of gastrula become the anus of the adult, eg, Echinodermata and Chordates. Coelom forms by out pocketing or as an outgrowth of gut i.e., enter ocoelous.
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