CBSE Class 8 Mathematics Exploring Some Geometric Themes MCQs Set 07

Question. In the formula d squared equals 1600, the value of d is.
(a) 400
(b) 40
(c) 16
(d) 160

Answer: B

Question. Nikola Tesla said he could build and operate devices entirely in his.
(a) Workshop
(b) Laboratory
(c) Imagination
(d) Office

Answer: C

Question. Projection of a line is equal to actual length when line is.
(a) Perpendicular
(b) Parallel to plane
(c) Slanting
(d) Very short

Answer: B

Question. Shading is sometimes added to isometric drawings to help in.
(a) Painting
(b) Visualisation
(c) Hiding lines
(d) Cleaning

Answer: B

Question. A glass cube balanced on one corner shows how many edges in projection?
(a) 4
(b) 12
(c) 6
(d) 8

Answer: B

Question. Total number of vertices in a cube is.
(a) 6
(b) 12
(c) 8
(d) 4

Answer: C

Question. Number of squares remaining at Step 2 will be.
(a) 16
(b) 64
(c) 81
(d) 8

Answer: B

Question. The triangle shown in sources that is impossible to build is called.
(a) Koch triangle
(b) Impossible triangle
(c) Sierpinski triangle
(d) Normal triangle

Answer: B

Question. Projection of an object on a vertical plane is called its.
(a) Top view
(b) Front view
(c) Side view
(d) Bottom view

Answer: B

Question. Geometric objects that are self-similar and found in nature are called.
(a) Circles
(b) Fractals
(c) Squares
(d) Dots

Answer: B

Question. In isometric projection of a cube, lengths of all edges appear.
(a) Different
(b) Equal
(c) Zero
(d) Long

Answer: B

Question. Top view of a ceiling fan shows.
(a) The motor and blades from above
(b) The blades from side
(c) The rod only
(d) The floor

Answer: A

Question. On isometric paper, the directions used for drawing are.
(a) One
(b) Two
(c) Three
(d) Five

Answer: C

Question. Projection of a parallelogram under any orientation will always be a.
(a) Circle
(b) Parallelogram
(c) Triangle
(d) Point

Answer: B

Question. Every square remaining at one step gives rise to how many squares in next step?
(a) 9
(b) 1
(c) 8
(d) 4

Answer: C

Question. Solid having two congruent polygons as opposite faces is called.
(a) Pyramid
(b) Prism
(c) Cone
(d) Sphere

Answer: B

Question. A dodecahedron has how many pentagonal faces?
(a) 6
(b) 12
(c) 10
(d) 20

Answer: B

Question. Front view of a hammer shows the.
(a) Handle top
(b) Side of the head
(c) Bottom of handle
(d) Full profile of head and handle

Answer: D

Question. Sunlight shadow of a square cutout can be a.
(a) Circle
(b) Parallelogram
(c) Triangle
(d) Point

Answer: B

Question. Outline of an object hole in a cartoon wall shows its.
(a) Color
(b) Strength
(c) Profile
(d) Name

Answer: C

Question. Drawing of an object is done for aesthetic and.
(a) Fun
(b) Engineering purposes
(c) Sleeping
(d) Eating

Answer: B