Answer:
Answer of given Statement is False.
Explanation:
We know that
Polyhedron is a Solid figure entirely made up up of polygons.
for example: cube, cuboid, soccer ball, etc
Prism is a solid figure with two equal bases.
for example: Cube. Cuboid, Cylinder, etc
Pyramid is a polyhedron with a base and an Apex at top.
for example: Cone, triangle based pyramid, etc
Since, Cylinder is a Prism but it is not a polyhedron. Also Cone is pyramid but it is not a polyhedron,
Therefore, Answer of given Statement is False.