A sphere would fit the given description
Cylinder - a solid figure formed by two congruent parallel circles joined by a curved surface.
A paraboloid.
A cylinder
It is a cylinder
I am not sure that such a surface can exist.
fbdg
A paraboloid.
A sphere would fit the given description
A figure with 2 circular bases and one curved surface is called a cylinder. Examples are food cans.
Cylinder - a solid figure formed by two congruent parallel circles joined by a curved surface.
A cone.
A paraboloid.
Circle
A cylinder
It is a cylinder
a sphere has no bases and it only has one curved surface