Which one of the following pairs of animal comprises jawless fishes?

Question

Which one of the following pairs of animal comprises jawless fishes? (A) Lampreys and eels (B) Mackerals and rohu (C) Lampreys and hag fishes (D) Guppies and hag fishes

Tardigrade Admin · Accepted Answer

Lampreys and Myxine (hag fish) belong to the class-Cyclostomata, group-Agnatha of Vertebrata. Agnatha have mouth without jaws. In these, mouth is ventral, suctorial and circular.

Q. Which one of the following pairs of animal comprises jawless fishes?

Lampreys and eels

Mackerals and rohu

Lampreys and hag fishes

Guppies and hag fishes

Lampreys and Myxine (hag fish) belong to the class-Cyclostomata, group-Agnatha of Vertebrata. Agnatha have mouth without jaws. In these, mouth is ventral, suctorial and circular.