Class 7 Maths Practice Question Answers - Visualising Solid Shapes

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Q1. The edges of a surface are:
(a) curves
(b) lines
(c) flat
(d) circles
Ans: (b)
Sol: The edges of a surface are lines.

Q2. The side faces of a pyramid are

(a) triangles
(b) squares
(c) polygons
(d) trapeziums
Ans: (a)
Sol: As can be observed from the figure in the question, we can see that the side faces of a pyramid are triangles

Q3. The flat surface of a solid figure is called a
(a) Vertex
(b) face
(c) edge
(d) None of these
Ans: (b)
Sol: The flat surface of a solid figure is called a face.

Q4. How many edges does the following figure have?

(a) 12
(b) 8
(c) 6
(d) 4
Ans: (b)
Sol: By observing the figure it can be clearly said that the following figure have 8 edges.

Q5. The faces of a cube are

(a) Squares

(b) Rectangles

(c) Circles

(d) None of these

Ans: (a)

Sol: The faces of a cube are square

Q6. Choose the false statement from the following?
(a) A cuboid has 3 pairs of opposite faces.
(b) The number of vertices of a cube is 6.
(c) All sides of a square are equal.
(d) Cuboid is a three dimensional figure.
Ans: (b)
Sol: Statement B is false. Because a cube has 8 vertices.

Q7. Boundary of solid are called?
(a) Surfaces
(b) Curves
(c) Lines
(d) Points
Ans: (a)
Sol: The boundary of the solids are called surfaces.

Q8. Choose the false statement from the following ?
(a) All sides of a square are equal
(b) Cuboid is a three dimensional figure
(c) A cuboid has 3 pairs of opposite faces
(d) The number of vertices of a cube is 6
Ans: (d)
Sol: The number of vertices in a cube are 8.

Q9. Triangle has _______ sides and three vertices.
(a) Three
(b) Four
(c) Two
(d) Six
Ans: (a)
Sol: A polygon made up of three sides is known as triangle.

Q10. The number of corner in a cone is
(a) 1
(b) 2
(c) 3
(d) None of these
Ans: (a)
Sol: A cone has 1 corner.

Q11. Which of the following is a 3-dimensional shape with one circular face and one vertex?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (c)
Sol: A cone has one circular face and one vertex.

Q12. How many faces does a cylinder have?
(a) 1
(b) 2
(c) 3
(d) 4
Ans: (b)
Sol: A cylinder has 2 circular faces.

Q13. Which of the following is a 3-dimensional shape with all its faces as squares?
(a) Cube
(b) Sphere
(c) Cone
(d) Pyramid
Ans: (a)  
Sol: A cube has all its faces as squares.

Q14. How many vertices does a cube have?
(a) 4
(b) 6
(c) 8
(d) 12
Ans: (c)  
Sol: A cube has 8 vertices.

Q15. Which of the following is a 3-dimensional shape with all its faces as rectangles?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (d)  
Sol: A cuboid has all its faces as rectangles.

Q16. How many faces does a pyramid have?
(a) 4
(b) 5
(c) 6
(d) 7
Ans: (b)  
Sol: A pyramid has 5 faces - 1 base and 4 triangular faces.

Q17. Which of the following is a 3-dimensional shape with only one curved face and one vertex?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (c)  
Sol: A cone has one curved face and one vertex.

Q18. How many edges does a cylinder have?\
(a) 1
(b) 2
(c) 0
(d) 3
Ans: (b)  
Sol: A cylinder has two circular faces and no edges.

Q19. Which of the following is a 3-dimensional shape with all its faces as rectangles?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (a)  
Sol: A cube has all its faces as rectangles.

Q20. How many vertices does a cuboid have?
(a) 4
(b) 6
(c) 8
(d) 12
Ans: (c)  
Sol: A cuboid has 8 vertices.

Q21. Which of the following is a 3-dimensional shape with all its faces as triangles?
(a) Cube
(b) Sphere
(c) Cone
(d) Pyramid
Ans: (d)  
Sol: A pyramid has all its faces as triangles.

Q22. How many faces does a cube have?
(a) 4
(b) 5
(c) 6
(d) 8
Ans: (c)  
Sol: A cube has 6 faces, all of which are squares.

Q23. Which of the following is a 3-dimensional shape with no edges and no vertices?
(a) Cube
(b) Sphere
(c) Cone
(d) Cylinder
Ans: (b)  
Sol: A sphere has no edges and no vertices.

Q24. How many edges does a pyramid have?
(a) 4
(b) 5
(c) 6
(d) 8
Ans: (c)  
Sol: A pyramid has 6 edges.

Q25. Which of the following is a 3-dimensional shape with one circular face and one vertex?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (c)  
Sol: A cone has one circular face and one vertex.

Q26. How many faces does a cylinder have?
(a) 1
(b) 2
(c) 3
(d) 4
Ans: (b)  
Sol: A cylinder has 2 circular faces.

Q27. Which of the following is a 3-dimensional shape with all its faces as squares?
(a) Cube
(b) Sphere
(c) Cone
(d) Pyramid
Ans: (a)  
Sol: A cube has all its faces as squares.

Q28. How many vertices does a cube have?
(a) 4
(b) 6
(c) 8
(d) 12
Ans: (c)  
Sol: A cube has 8 vertices.

Q29. Which of the following is a 3-dimensional shape with all its faces as rectangles?
(a) Cube
(b) Sphere
(c) Cone
(d) Cuboid
Ans: (d)  
Sol: A cuboid has all its faces as rectangles.

Q30. How many faces does a pyramid have?
(a) 4
(b) 5
(c) 6
(d) 7
Ans: (b)  
Sol: A pyramid has 5 faces - 1 base and 4 triangular faces.