The skin is devoid of scales in

The body is devoid of scales and paired fins in

The body is devoid of scales and paired fins in

Select the option with a correct representation of an animal to the below-mentioned class of vertebrates: I. The jawless animal in which the body is devoid of scales and paired fins. II. They have four pairs of gills that are covered by an operculum. III. The body is covered by dry and cornified skin, epidermal scales or scutes. IV. Skin is dry without glands and long bones are hollow with air cavities.

Select the option with a correct representation of an animal to the below-mentioned class of vertebrates: I. The jawless animal in which the body is devoid of scales and paired fins. II. They have four pairs of gills that are covered by an operculum. III. The body is covered by dry and cornified skin, epidermal scales or scutes. IV. Skin is dry without glands and long bones are hollow with air cavities.

Which of the fishes is characterised by the presence of sensory barbels around the mouth and is devoid of scales?

Which of the fishes is characterised by the presence of sensory barbels around the mouth and is devoid of scales?

Which of the fishes is characterised by the presence of sensory barbels around the mouth and is devoid of scales?

The blind spot is devoid of