MCQ Questions for Class 6 Maths: Ch 14 Practical Geometry
1. If the radius of a circle is 7.5 cm, then the diameter of the circle is ____.
(a) 15 cm
(b) 7.5 cm
(c) 12 cm
(d) None of these
► (a) 15 cm
2. A _________ is a simple closed curve all of whose points are at the same distance from a fixed point.
(a) diameter
(b) radius
(c) triangle
(d) circle
► (d) circle
3. If the diameter of a circle is 20 cm, then the radius of the circle is ____.
(a) 10 cm
(b) 5 cm
(c) 2.5 cm
(d) None of these
► (a) 10 cm
4. If the radius of a circle is 3 cm, then the diameter of the circle is ____.
(a) 1.5 cm
(b) 3 cm
(c) 6 cm
(d) None of these
► (c) 6 cm
5. How do you draw a 90° angle?
(a) By drawing a perpendicular to a line from a point lying on it.
(b) By bisecting a 120° angle.
(c) By bisecting a 60° angle.
(d) By drawing multiples of 45° angle.
► (a) By drawing a perpendicular to a line from a point lying on it.
6. Two lines are said to be perpendicular to each other when they meet at ____angle.
(a) 180°
(b) 90°
(c) 60°
(d) 360°
► (b) 90°
7. Name the geometrical instrument having a semi-circular device graduated into 180 degree-parts.
(a) Divider
(b) Compasses
(c) Set squares
(d) Protractor
► (d) Protractor
8. What do you call two lines intersecting at a point?
(a) Perpendicular lines
(b) Parallel lines
(c) Bisectors lines
(d) Intersecting lines
► (d) Intersecting lines
9. Name the geometrical instrument having a pair of pointers.
(a) Set squares
(b) Divider
(c) Protractor
(d) Compasses
► (b) Divider
10. Which geometrical instrument used to compare lengths?
(a) Divider
(b) Protractor
(c) Compasses
(d) Set squares
► (c) Compasses
11. Which geometrical instrument used to draw line segments and to measure their lengths?
(a) Divider
(b) Compasses
(c) Set squares
(d) Ruler
► (d) Ruler
12. The line segment forming a polygon is called _________________.
(a) angle
(b) side
(c) vertex
(d) None of these
► (b) side
13. If the diameter of a circle is 22 cm, then the radius of the circle is ____.
(a) 5.5 cm
(b) 11 cm
(c) 4.5 cm
(d) None of these
► (b) 11 cm
14. If the radius of a circle is 7 cm, then the diameter of the circle is ____.
(a) 10 cm
(b) 14 cm
(c) 3.5 cm
(d) None of these
► (b) 14 cm
15. Into what type of parts is a figure divided by bisecting it?
(a) Unequal
(b) Equal
(c) Triangular
(d) Perpendicular
► (b) Equal
16. Which geometrical instrument used to mark off equal lengths but not to measure them and draw arcs and circles?
(a) Compasses
(b) Set squares
(c) Divider
(d) Protractor
► (a) Compasses
17. A maths teacher asked his students to draw a pair of parallel lines. Which instrument(s) are the students most likely to use?
(a) A ruler and a compass
(b) Two edges of a ruler
(c) A ruler and a setsquare
(d) Both (b) and (c)
► (d) Both (b) and (c)
18. Name the geometrical instrument having two triangular pieces.
(a) Compasses
(b) Set squares
(c) Protractor
(d) Divider
► (b) Set squares
19. If the diameter of a circle is 14 cm, then the radius of the circle is ____.
(a) 7 cm
(b) 4.5 cm
(c) 3.5 cm
(d) None of these
► (a) 7 cm
20. Which of the following is done to draw an angle of 150∘ using compasses and a ruler?
(a) Bisecting 120∘ and 180∘ angles.
(b) Bisecting 60∘ and 120∘ angles.
(c) Bisecting 0∘ and 60∘ angles.
(d) Bisecting a 360∘ angle.
► (a) Bisecting 120∘ and 180∘ angles.
21. For which of the following are the rails of a railway line an example?
(a) Parallel lines
(b) Intersecting lines
(c) Perpendicular lines
(d) Coplanar lines
► (a) Parallel lines
22. If the radius of a circle is 5 cm, then the diameter of the circle is ____.
(a) 10 cm
(b) 12 cm
(c) 2.5 cm
(d) None of these
► (a) 10 cm
23. Number of circles passing through a given point are ____.
(a) 1
(b) 2
(c) 3
(d) infinite
► (d) infinite
24. Number of lines which can be drawn from one point.
(a) infinite
(b) 1
(c) 2
(d) None of these
► (a) infinite
25. A few lines in a plane have a point in common. What type of lines can they be?
(a) Intersecting lines
(b) Parallel lines
(c) Concurrent lines
(d) Either (a) or (c)
► (d) Either (a) or (c)