MCQ on Visualising Solid Shapes for Class 8
Class 8 Maths Chapter 10 Visualising Solid Shapes MCQ
MCQ of Visualising Solid Shapes Class 8
I. Choose the correct answer.
Question 1.
Which of the following is not a 3 dimensional ?
A) Circle
B) Cone
C) Sphere
D) Cylinder
Answer:
A) Circle
Question 2.
Which of the following is a 3 – D shaped ?
A) Circle
B) Sphere
C) Parallelogram
D) Square
Answer:
B) Sphere
Question 3.
Number of faces that a cuboid has __________ .
A) 4
B) 5
C) 6
D) none of the above
Answer:
C) 6
Question 4.
In the formula V + F = E + 2. V – stands for _________ .
A) Edges
B) Vertices
C) Faces
D) Total
Answer:
B) Vertices
Question 5.
Value of (V) for a cone is _________ (V- vertices)
A) 1
B) 2
C) 3
D) ∝
Answer:
A) 1
Question 6.
Number of edges in a cuboid is _________ .
A) 8
B) 6
C) 10
D) 12
Answer:
D) 12
Question 7.
Number of vertices, and faces of an object are 5 and 7, then number of edges of it will be _________ .
A) 14
B) 12
C) 10
D) none
Answer:
C) 10
Question 8.
Which of the following cases is impossible ?
A) V = 4, F = 6, E = 8
B) E = 12, V = 9, F = 5
C) F = 5, E = 8, V = 6
D) F = 4, V = 3, E = 5
Answer:
C) F = 5, E = 8, V = 6
Question 9.
Number of vertices of a sphere is _________ .
A) 0
B) 2
C) 3
D) ∝
Answer:
A) 0
Question 10.
A regular hexahedron can be called as __________ .
A) Cuboid
B) Hexon
C) Cube
D) none of the above
Answer:
C) Cube
Question 11.
Which of the following is true in respect of prism ?
A) It is a polyhedron
B) Top and base are congruent
C) Lateral faces are parallelograms
D) All the above
Answer:
D) All the above
Question 12.
Which of the following is true in respect of pyramid ?
A) It is a polyhedron
B) Only base is polygon
C) Lateral faces are triangles
D) All the above
Answer:
D) All the above
Question 13.
How many triangles are there in a triangular prism ?
A) 3
B) 4
C) 5
D) 6
Answer:
B) 4
Question 14.
A triangular prism has __________ .
A) triangular base
B) triangular top
C) rectangular sides
D) all the above
Answer:
D) all the above
Question 15.
Which of the following is true in respect of regular polyhedron ?
A) All its faces are congruent
B) All vertices are formed by same number of faces
C) Cube is an example for it
D) All the above
Answer:
D) All the above
Question 16.
Which of the following is true in respect of irregular polyhedrons ?
A) All the sides are congruent
B) All the vertices are not formed by same number of faces.
C) Cube is not an irregular polyhedron
D) All the above
Answer:
D) All the above
Question 17.
Which of the following is polyhedron?
A) Sphere
B) Prism
C) Cone
D) Cylinder
Answer:
B) Prism
Question 18.
Which of the following is not a polyhedron ?
A) Hemisphere
B) Pyramid
C) Cuboid
D) None
Answer:
A) Hemisphere
Question 19.
Which of the following is not a 3 – dimensional ?
A) Softy icecrem
B) Hemispherical shell
C) A tin
D) Rectangle
Answer:
D) Rectangle
Question 20.
Number of vertices, edges, faces in a triangular prism are _________ .
A) 4, 6, 4
B) 4, 4, 6
C) 6, 4, 4
D) 6, 8, 4
Answer:
A) 4, 6, 4
For the A, R type questions from 21 to 26. Choose correct answer from following options.
A) Both ‘A’ and ‘R’ are correct and ‘R’ is correct reason for ‘A’
B) Both ‘A’ and ‘R’ are correct but ‘R’ is not reason for ‘A’.
C) ‘A’ is true but ‘R’ is false.
D) ‘A’ is false but ‘R’ is true.
Question 21.
Assertion (A) : is a cube.
Reason (R) : All sides of a cube are equal.
Answer:
A) Both ‘A’ and ‘R’ are correct and ‘R’ is correct reason for ‘A’
Question 22.
Assertion (A) : A cuboid has 6 faces.
Reason (R) : A polyhedron having 6 faces is called cuboid.
Answer:
C) ‘A’ is true but ‘R’ is false.
Question 23.
Assertion (A): A triangular pyramid has 4 vertices.
Reason (R) : A polyhedron whose base is triangle and top is a vertex called triangular prism.
Answer:
A) Both ‘A’ and ‘R’ are correct and ‘R’ is correct reason for ‘A’
Question 24.
Assertion (A) : Cube and cuboids are regular polyhedrons.
Reason (R) : A triangular pyramid has a triangular base always.
Answer:
B) Both ‘A’ and ‘R’ are correct but ‘R’ is not reason for ‘A’.
Question 25.
Assertion (A) : If the sides are congruent and all vertices not formed by same number of faces, then it is irregular polyhedron.
Reason (R) : Euler’s formula is applicable only for regular polyhedrons.
Answer:
B) Both ‘A’ and ‘R’ are correct but ‘R’ is not reason for ‘A’.
Question 26.
Assertion (A) : Cuboid is not a convex polyhedron.
Reason (R) : Hexagonal prism is a convex polyhedron.
Answer:
D) ‘A’ is false but ‘R’ is true.
Question 27.
How many edges does a cube have ?
A) 4
B) 6
C) 8
D) 12
Answer:
D) 12
Question 28.
Gayatri is at her home. She wants to go to the shopping mall nearby. The map below shows the different routes she could take to reach the shopping mall.
How many different routes can she take to reach the shopping mall if she does not take a reverse any time ?
A) 3
B) 5
C) 6
D) 7
Answer:
C) 6
Question 29.
Two views of the same cube are shown here.
if the cube has different symbols on each face, what symbol will be there on the face opposite ?
D) (Cannot be determined without seeing all faces)
Answer:
Question 30.
A solid object when viewed from top, looks as shown below. Which of these could be the solid object ?
Answer:
Question 31.
A polyhedron has 12 vertices and 30 edges. How many FACES does it have?
A) 10
B) 18
C) 20
D) 40
Answer:
C) 20
II. Fill in the blanks.
1. Number of vertices in a regular polyhedron having 6 faces = __________ .
Answer:
8
2. Top of a pyramid is always __________ .
Answer:
a vertex (point)
3. Base area of a prism is 10 cm2. Then top area of that prism = _________ .
Answer:
10 cm2
4. A polyhedron is called __________ if all its faces are triangles.
Answer:
(triangular) pyramid
5. Euler’s formula is _________ .
Answer:
V + F – E = 2
6. There wont be _________ or __________ in a map.
Answer:
reference or perspective
7. is a _________ view of a brick.
Answer:
Top
8. is __________ view of a hut.
Answer:
Side
9. is a ____________ park.
Answer:
Circular
10. Atent is an example for ___________ surmounted on a cylinder.
Answer:
A cone
11. If base of prism has n-sides, then faces are ___________ .
Answer:
n + 2
12. Base of a tetrahedron is ___________ .
Answer:
triangale
III. Match the following.
Question 1.
A | B |
1) | a) Triangular Pyramid |
2) | b) Sphere, a non polyhedron |
3) | c) Prism |
4) An unsharpened pencil | b) Eulers formula |
5) F + V- E = 2 | c) Cuboid |
Answer:
(1, b) (2, a) (3, e) (4, c) (5, d)
A | B |
1) | b) Sphere, a non polyhedron |
2) | a) Triangular Pyramid |
3) | e) Cuboid |
4) An unsharpened pencil | c) Prism |
5) F + V- E = 2 | d) Eulers formula |
Question 2.
A | B |
1) For a cube, V = 8 | a) F = 5 |
2) For a triangular prism V = 6 | b) E = 12 |
3) Number of vertices in a cone | c) 0 |
4) Number of line segments in a cylinder | d) concave polygon |
5) Star is a | e) 1 |
Answer:
(1, b) (2, a) (3, e) (4, c) (5, d)
A | B |
1) For a cube, V = 8 | b) E = 12 |
2) For a triangular prism V = 6 | a) F = 5 |
3) Number of vertices in a cone | e) 1 |
4) Number of line segments in a cylinder | c) 0 |
5) Star is a | d) concave polygon |