Question

Lateral line occurs in

• A. Star fish
• B. Jelly fish
• C. Dog fish
• D. All of the above

Answer 1

The correct option is C Dog fish

A. Star fish is a star shaped echinoderm.

B. Jelly fish is a medusa form belonging to phylum Cnidaria.

C. Dog fish (Scoliodon) belongs to class Chondrichthyes of phylum Chordata.

Lateral line is a group of sense organs made from epidermal cells and respond to displacement caused by motion, electric impulse etc. Lateral line occurs in the larvae of fishes and amphibians.

Since, among all the options, Dog fish is the true fish. So, the correct answer is 'Dog fish'.