Q. Assertion : Lateral line system is found in fishes and aquatic larval amphibians.
Reason : Lateral line system has receptors which are the clusters of sensory cells derived from ectoderm.

 1948  172 AIIMSAIIMS 2002Animal Kingdom Report Error

Solution:

Lateral line system is a sensory system of fishes and aquatic and larval amphibians whose receptors are clusters of sensory cells derived from ectoderm. These clusters of sensory cells are called neuromast organs.