CBSE Class 8 Mathematics Exploring Some Geometric Themes MCQs Set 02

Question. Shape created on flat surface to fold into a solid is called.
(a) Map
(b) Net
(c) Profile
(d) Face

Answer: B

Question. Profile of a sphere from any side is a.
(a) Square
(b) Triangle
(c) Circle
(d) Line

Answer: C

Question. To start Koch Snowflake, we use which shape?
(a) Square
(b) Equilateral triangle
(c) Circle
(d) Star

Answer: B

Question. Sierpinski Carpet fractal was discovered by a mathematician from.
(a) India
(b) Holland
(c) Poland
(d) America

Answer: C

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

Answer: B

Question. In a pyramid, all edges from the base meet at.
(a) Two points
(b) A single point outside
(c) The center of base
(d) Every corner

Answer: B

Question. Which square is removed in the first step of Sierpinski Carpet?
(a) Top square
(b) Corner square
(c) Central square
(d) Side square

Answer: C

Question. Sierpinski Triangle is another name for Sierpinski.
(a) Carpet
(b) Gasket
(c) Snowflake
(d) Square

Answer: B

Question. Total number of edges in a cube is.
(a) 6
(b) 8
(c) 12
(d) 10

Answer: C

Question. Work of M.C. Escher showing lizards at smaller scales is called.
(a) Tiling
(b) Smaller and Smaller
(c) Lizard Carpet
(d) Big and Small

Answer: B

Question. Koch Snowflake fractal was first described in year.
(a) 1904
(b) 1025
(c) 2024
(d) 1856

Answer: A

Question. After step 1 of Sierpinski Carpet, number of squares remaining is.
(a) 9
(b) 1
(c) 8
(d) 10

Answer: C

Question. Fractals show same pattern at.
(a) Same scale
(b) Smaller and smaller scales
(c) Larger scales only
(d) Only one scale

Answer: B

Question. To wrap a ball perfectly with paper without wrinkles is.
(a) Easy
(b) Impossible
(c) Done with square net
(d) Done with triangle net

Answer: B

Question. To start making Sierpinski Carpet, we take a.
(a) Triangle
(b) Square
(c) Circle
(d) Point

Answer: B

Question. In Koch Snowflake, each side is divided into how many equal parts?
(a) 2
(b) 4
(c) 3
(d) 5

Answer: C

Question. Meaning of 'Isometric' is.
(a) Different measure
(b) Equal measure
(c) Big measure
(d) No measure

Answer: B

Question. The net of a cylinder has two circles and one.
(a) Triangle
(b) Rectangle
(c) Square
(d) Point

Answer: B

Question. A solid with rectangular profile and circular profile from different sides is.
(a) Cube
(b) Sphere
(c) Cylinder
(d) Pyramid

Answer: C

Question. How many possible net structures are there for a cube?
(a) 6
(b) 8
(c) 11
(d) 12

Answer: C