Q. The name of phylum is derived from certain features of animals. Select that how many of these are correct.
. Cnidaria—Cnidoblasts / cnidocytes
. Flatworms—Dorso-ventrally flattened body
. Platyhelminthes—Circular cross section
. Aschelminthes—Body surface is indistinctly marked out into segments or metameres
. Echinodermata—Exoskeleton of calcareous ossicles

 1524  188 Animal Kingdom Report Error

Solution:

Correct answer is (c) 4