CBSE Class 7 Mathematics Constructions and Tilings MCQs Set 09

Question. A regular polygon with 4 sides is called
(a) Rectangle
(b) Square
(c) Triangle
(d) Circle

Answer: B

Question. Support lines for a pointed arch are two segments of
(a) Equal length
(b) Different length
(c) Curved shape
(d) No length

Answer: A

Question. In tiling, shapes should not have any gaps or
(a) Colors
(b) Overlaps
(c) Lines
(d) Curves

Answer: B

Question. A 4 by 7 grid has total squares
(a) 11
(b) 28
(c) 14
(d) 21

Answer: B

Question. Six angles of 60 degree together make
(a) 180 degree
(b) 360 degree
(c) 120 degree
(d) 90 degree

Answer: B

Question. A regular polygon with 3 sides is called
(a) Square
(b) Equilateral triangle
(c) Pentagon
(d) Hexagon

Answer: B

Question. Point at same distance from ends of a line is on
(a) Perpendicular bisector
(b) Corner
(c) Circle
(d) Top

Answer: A

Question. Bees store their food and eggs in
(a) Square boxes
(b) Hexagonal cells
(c) Round holes
(d) Triangles

Answer: B

Question. Regular hexagon has how many sides?
(a) 4
(b) 5
(c) 6
(d) 7

Answer: C

Question. Arcs to draw a symmetrical eye must have the same
(a) Color
(b) Radius
(c) Pen
(d) Point

Answer: B

Question. SAS condition helps to show that two triangles are
(a) Different
(b) Congruent
(c) Big
(d) Small

Answer: B

Question. Division of a quantity into two identical parts is
(a) Bisection
(b) Tiling
(c) Construction
(d) Angle

Answer: A

Question. While making 90 degree angle, point O on the line is
(a) Corner
(b) Midpoint
(c) End
(d) High

Answer: B

Question. Bisecting a 30 degree angle, we will find
(a) 10 degree
(b) 15 degree
(c) 20 degree
(d) 5 degree

Answer: B

Question. A rope can be stretched to make a
(a) Circle
(b) Straight line
(c) Curve
(d) Point

Answer: B

Question. Ancient fire altars were built using methods from
(a) Science books
(b) Sulba-Sutras
(c) Modern maps
(d) Drawing books

Answer: B

Question. To make exact copies of a design, we need same
(a) Colors
(b) Paper
(c) Angles and lengths
(d) Pens

Answer: C

Question. In construction, if AB is perpendicular to XY, angle AOX is
(a) 45 degree
(b) 60 degree
(c) 90 degree
(d) 180 degree

Answer: C

FILL IN THE BLANKS TYPE

Question. 1. Cyclic parallelogram is a ......
Answer: Rectangle

Question. 2. Line of centres of two intersecting circles subtends ........ angles at the two points of intersection.
Answer: Equal

Question. 3. Circle drawn with any side of a rhombus as diameter, passes through the point of intersection of its ......
Answer: diagonals

Question. 4. AC and BD are chords of a circle which bisect each other. ABCD is a .... .
Answer: Rectangle

Question. 5. Every triangle has ..... constitutents.
Answer: six

SUBJECTIVE TYPE

Question. 6. Construct a triangle whose base is $4.8 \text{ cm}$, vertex angle is $75^\circ$ and other side is $4 \text{ cm}$.
Answer: [Construction procedure required]

Question. 7. Construct $\Delta ABC$ whose sides are $7.5 \text{ cm}$, $7 \text{ cm}$ and $6.5 \text{ cm}$. Construct a triangle similar of $\Delta ABC$ whose sides are in the ratio $2/3$ with the corresponding sides of $\Delta ABC$.
Answer: [Construction procedure required]

Question. 8. Construct a triangle similar to a given triangle with size $5 \text{ cm}$, $12 \text{ cm}$ and $13 \text{ cm}$, and whose sides are $3/5$th of the corresponding sides of the given triangle.
Answer: [Construction procedure required]

TRUE/FALSE STATEMENT

Question. 9. A right angled triangle ABC in which hypotenuse $BC = 8.2 \text{ cm}$. and one side $= 4.2 \text{ cm}$. cannot be constructed.
Answer: False

Question. 10. A triangle cannot be considered when three angles are given.
Answer: True

Question. 11. A triangle cannot be considered when two sides and an opposite angle.
Answer: True

Question. 12. It is not possible to construct angle $15^\circ$.
Answer: False

Question. 13. To draw a perpendicular at a given point on a straight line first you have drawn an arc.
Answer: True