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 i

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.

TestHub · Accepted Answer

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

I	II	III	IV
Dog fish	Ichthyophis	Calotes	Canis

I	II	III	IV
Clarius	Rana	Myxine	Delphinus

Botany - Animal Kingdom Question with Solution | TestHub

Options:

Doubts & Discussion

I	II	III	IV
Hagfish	Salamandra	Betta	Aptenodytes

I	II	III	IV
Pristis	Hyla	Lamprey	Pteropus