Name three objects which have both plane and curved surface.
Important Questions on Geometrical Concepts
The surface of water in a swimming pool, when calm, represents a plane.
Put a tick mark in the appropriate columns.
| Shapes | Plane surface | Curved surface | Plane surface and Curved surface |
 |
Pick out the shapes with curved surfaces from the given picture and complete the table.
| Curved surfaces |
|
|
Put a tick mark in the appropriate columns.
| Shapes | Plane surface | Curved surface | Plane surface and Curved surface |
 |
A wall gives us an idea of a _____.
Put a tick mark in the appropriate columns.
| Shapes | Plane surface | Curved surface | Plane surface and curved surface |
 |
Put a mark in brackets against the correct statement and a cross against the incorrect statement in the following statements:
| Column | Column |
| Globe | P. Plane |
| Steel Almirah | Q. Plane and curved |
| Cucumber | R. Curved |
| Iron pipe | |
| Cone | |
| Surface of blackboard | |
| Solid cylinder | |
| Glass ball |
Pick out the shapes with flat surfaces from the given picture and complete the table.
| Flat surfaces |
|
|
Put a tick mark in the appropriate columns.
| Shapes | Plane surface | Curved surface | Plane surface and curved surface |
 |
Give three properties of the plane.
Pick out the shapes with curved and flat surfaces from the given picture and complete the table.
| Curved and Flat surfaces |
|
|
Observe the picture and count the number of curved lines.
Put a tick mark in the appropriate columns.
| Shapes | Plane surface | Curved surface | Plane surface and curved surface |
 |
