Geometry

Question Analysis
This question requires you to differentiate between a cylinder and a cone based on the number of bases and presence of an apex.
The main focus is visual identification of key structural elements: bases and apex.

Key Concept Explanation
A cone has:
One circular base
A single apex
A curved surface connecting base to apex
A cylinder, by contrast, has:
Two circular bases
A curved side, but no apex
Parallel bases joined by vertical height

Step-by-Step Solution
The absence of an apex and presence of two circular bases confirm this is a cylinder, not a cone.
The curved side alone is no...