Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endoskeleton (d) Mammalia : give birth to young ones
Option C Chondrichthyes : possess cartilagenous endoskeleton.
