Question

difference between a frogs egg and a hens egg

Answer 1

Hens eggs are in oval shape whereas the frogs eggs are also in oval but smaller than th hens eggs

Answer 2

Chicken egg is cleidoic. It is shelled and is laden with yolk. 
Frog egg is noncleiodoic, non-shelled, and is telolecithal with moderate amount of yolk, and is considerably smaller than hens egg.