Select the option with a correct representation of an animal belonging to the below mentioned class of vertebrates. I. The notochord is persistent throughout life. The mouth is ventral. II. The skin is moist without scales. The tail may be present. III. 6 to 15 pairs of gill slits. Jaws absent. IV. Viviparous usually. Pinna present in most of the members.

Question

Select the option with a correct representation of an animal belonging to the below mentioned class of vertebrates. I. The notochord is persistent throughout life. The mouth is ventral. II. The skin is moist without scales. The tail may be present. III. 6 to 15 pairs of gill slits. Jaws absent. IV. Viviparous usually. Pinna present in most of the members. (A) I II III IV Dog fish Ichthyophis Calotes Canis (B) I II III IV Hagfish Salamandra Betta Aptenodytes (C) I II III IV Pristis Hyla Lamprey Pteropus (D) I II III IV Clarius Rana Myxine Delphinus

Tardigrade Admin · Accepted Answer

I - Cartilaginous fish (Pristis - Saw fish), II - Amphibians (Salamandra - Salamandar), III - Cyclostomates (Lamprey - Petromyzon) and IV - Mammals (Pteropus - Flying fox - a bat).