Which one of the following pairs of animals comprises ‘jawless fishes’?
A. Mackerals and rohu
B. Lampreys and hag fishes
C. Guppies and hag fishes
D. Lampreys and eels
Answer:B
Which one of the following pairs of animals comprises ‘jawless fishes’?
A. Mackerals and rohu B. Lampreys and hag fishes C. Guppies and hag fishes D. Lampreys and eels