Give an example for each of the following (a) A viviparous animal (b) A fish possessing a poison sting (c) A fish possessing an electric organ (d) An organ, which regulates buoyancy (e) Animal, which exhibits alternation of generation (f) Oviparous animal with mammary gland  Eduinfy.com
NCERT Solution: Animal Kingdom
Give an example for each of the following (a) A viviparous animal (b) A fish possessing a poison sting (c) A fish possessing an electric organ (d) An organ, which regulates buoyancy (e) Animal, which exhibits alternation of generation (f) Oviparous animal with mammary gland 

NCERT Exampler

(a) Chimpanzee
(b) Torpedo
(c) Electric ray
(d) Air bladder
(e) Obelia
(f) Platypus 

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