Question

Which one belongs to dipnoi?

• A. Lung fish
• B. Cat fish
• C. Rat fish
• D. Star fish

Answer 1

Answer: (A)

Lung fish

A. Lungfishes are the freshwater fishes that belong to subclass Dipnoi. Their swim bladder is modified in a lung which gives them buoyancy.

B. Catfishes are the ray finned fishes that have long prominent barbels like the whiskers of a cat.

C. Rat fishes are the chimaeras and are cartilaginous. They have a long tail like a rat.

D. Star fish is the star shaped echinoderm under class Asteroidea.

So, the correct answer is 'Lung fish'.