CBSE Class 8 Mathematics Exploring Some Geometric Themes MCQs Set 01

Question. If you cut the four corners of a square between midpoints, the shape left is.
(a) Circle
(b) Smaller square
(c) Triangle
(d) Point

Answer: B

Question. As torch moves very far, shadow looks exactly like.
(a) A big blur
(b) The projection
(c) A circle
(d) Nothing

Answer: B

Question. If a straight line on a net crosses a gap, that path on solid is.
(a) Possible
(b) Not possible
(c) Very short
(d) Best

Answer: B

Question. Top view of a car will show its.
(a) Wheels
(b) Roof
(c) Headlights
(d) Doors

Answer: B

Question. To draw a 2 x 2 x 2 cube on grid, we move how many units along each axis?
(a) 1
(b) 2
(c) 3
(d) 4

Answer: B

Question. Koch Snowflake and Sierpinski Gasket are examples of.
(a) Simple lines
(b) Mathematical fractals
(c) Solid boxes
(d) Round balls

Answer: B

Question. If line OP is perpendicular to a plane, then point O is called.
(a) Center
(b) Vertex
(c) Projection of P
(d) Corner

Answer: C

Question. Tiling the plane with hexagons gives us an.
(a) Escher art
(b) Isometric grid
(c) Net
(d) Fractal

Answer: B

Question. Point O is the projection of point P if line OP is to the plane.
(a) Parallel
(b) Perpendicular
(c) Equal
(d) Curved

Answer: B

Question. For making solids from paper, it is useful to have extra.
(a) Holes
(b) Flaps
(c) Colors
(d) Pens

Answer: B

Question. A dodecahedron is a solid whose faces are all.
(a) Triangles
(b) Pentagons
(c) Squares
(d) Hexagons

Answer: B

Question. Projections of all points of an object together form the.
(a) Net
(b) Projection of the object
(c) Face
(d) Edge

Answer: B

Question. Isometric grids are used to measure length, height and.
(a) Weight
(b) Depth
(c) Area
(d) Color

Answer: B

Question. When actual length of line is l and projected length is p, then p is.
(a) Always more than l
(b) Less than or equal to l
(c) Always equal to l
(d) Zero

Answer: B

Question. In isometric grid, vertical lines | are used to show.
(a) Length
(b) Height
(c) Depth
(d) Width

Answer: B

Question. Parallel edges of a solid will project to lines that are.
(a) Intersecting
(b) Parallel
(c) Curved
(d) Short

Answer: B

Question. Side view of a chair shows its.
(a) Seat only
(b) Profile of legs and back
(c) Top of seat
(d) Bottom

Answer: B

Question. To find shortest path between points on different faces, we must.
(a) Use the net
(b) Measure with string
(c) Guess
(d) Use a ball

Answer: A

Question. Sunlight is used to study shadows because Sun is very.
(a) Small
(b) Far and powerful
(c) Hot
(d) Red

Answer: B

Question. When we see a solid object, we are actually seeing its.
(a) Weight
(b) Profile
(c) Smell
(d) Price

Answer: B