The characteristics given below are associated with
(i) Body is covered by dry and cornified skin, epidermal scales or scutes
(ii) They have no external ear
(iii) Crawling, creeping habit
(iv) 2 chambered heart.

Body is covered by dry and cornified skin and epidermal scales in

Body is covered by dry and cornified skin and epidermal scales in

Assertion :- The body of reptiles is covered by dry and cornified skin, epidermal scales or scutes. Reason :- Reptiles are true terrestial vertebrate.

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 following is/are not the characteristics of the Class Osteichthyes? (i) Body is streamlined and mouth is terminal. (ii) Gills are convered by operculum. (iii) Skin convered with cycloid and placoid scales. (iv) Many of them are viviparous.

Which of the following is/are not the characteristics of the Class Osteichthyes? (i) Body is streamlined and mouth is terminal. (ii) Gills are convered by operculum. (iii) Skin convered with cycloid and placoid scales. (iv) Many of them are viviparous.

Which of the following is/are not the characteristics of the Class Osteichthyes? (i) Body is streamlined and mouth is terminal. (ii) Gills are convered by operculum. (iii) Skin convered with cycloid and placoid scales. (iv) Many of them are viviparous.

Which of the following characters are seen in sharks ? (i) Body is streamlined and mouth is terminal . (ii) Gill slits are not covered by operculum . (iii) Skin is tough ,containig minute placoid scales . (iv) many of them are oviparous .