Which among the following have scales?
(i) Amphibians (ii) Pisces
(iii) Reptiles (iv) Mammals

Which among the following is/are solid aerosol? (i) Dust (ii) Fog (iii) Aerosol spray (iv) Air

Which among the following have open circulatory system? (i) Periplaneta (ii) Limax (iii) Pheretima (iv) Hydra

Which among the following have open circulatory system? (i) Arthropoda (ii) Mollusca (iii) Annelida (iv) Coelenterata

Which among the following have open circulatory system? (i) Arthropoda (ii) Mollusca (iii) Annelida (iv) Coelenterata

Which among the following has equal number of protons (i) Hydrogen (ii) Deuterium (Iii) fluorine (iv) Chlorine

Which of the following was connecting link between amphibians and reptiles?

Which of the following was connecting link between amphibians and reptiles?

Which of the following was connecting link between amphibians and reptiles?

Which of the following was connecting link between amphibians and reptiles?