1. Tardigrade
  2. Question
  3. Biology
  4. 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. I II III IV A Dog fish Ichthyophis Calotes Canis B Hagfish Salamandra Betta Aptenodytes C Pristis Hyla Lamprey Pteropus D Clarius Rana Myxine Delphinus

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Q. 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.
I II III IV
A Dog fish Ichthyophis Calotes Canis
B Hagfish Salamandra Betta Aptenodytes
C Pristis Hyla Lamprey Pteropus
D Clarius Rana Myxine Delphinus

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

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