CBSE Class 8 Maths MCQs on Basic Geometric Constructions and Reasoning
CBSE Class 8 Maths MCQs on Basic Geometric Constructions and Reasoning
Class: 8 | Subject: Mathematics | Chapter 11: Exploring Some Geometric Themes
✔ Based on NCERT Textbook
✔ Strictly as per CBSE Board Examination Pattern
✔ Constructions, Angles & Logical Geometric Reasoning
✔ Ideal for Class 8 Mathematics Exam Preparation
1. To construct a perpendicular bisector, we use:
Correct Answer: C
Perpendicular bisector requires ruler and compass construction.
Perpendicular bisector requires ruler and compass construction.
2. A line segment can be copied using:
Correct Answer: A
Compass helps transfer exact length.
Compass helps transfer exact length.
3. Angle bisector divides an angle into:
Correct Answer: A
Angle bisector splits angle into two equal parts.
Angle bisector splits angle into two equal parts.
4. To construct a triangle, minimum information required is:
Correct Answer: A
SSS condition guarantees triangle construction.
SSS condition guarantees triangle construction.
5. Perpendicular lines meet at:
Correct Answer: A
Perpendicular lines form right angle.
Perpendicular lines form right angle.
6. To draw parallel line through a point, we use:
Correct Answer: A
Parallel line construction requires ruler and compass.
Parallel line construction requires ruler and compass.
7. The locus of points equidistant from two points is:
Correct Answer: A
All points on perpendicular bisector are equidistant.
All points on perpendicular bisector are equidistant.
8. The locus of points at fixed distance from a point is:
Correct Answer: A
Definition of circle.
Definition of circle.
9. If two sides and included angle given, construction method is:
Correct Answer: A
SAS uniquely determines triangle.
SAS uniquely determines triangle.
10. Logical reasoning in geometry depends on:
Correct Answer: A
Geometric reasoning follows definitions and theorems.
Geometric reasoning follows definitions and theorems.
11. To construct 60° angle, we use:
Correct Answer: A
Using equal arcs method.
Using equal arcs method.
12. RHS congruence stands for:
Correct Answer: A
RHS congruence rule.
RHS congruence rule.
13. Compass is mainly used to:
Correct Answer: A
Compass draws arcs/circles.
Compass draws arcs/circles.
14. To construct perpendicular from point on line, we use:
Correct Answer: A
Standard perpendicular construction.
Standard perpendicular construction.
15. A triangle can be constructed if:
Correct Answer: A
Triangle inequality theorem.
Triangle inequality theorem.
16. The locus of points equidistant from two parallel lines is:
Correct Answer: A
It lies midway between them.
It lies midway between them.
17. To copy an angle, we use:
Correct Answer: A
Standard arc-copy method.
Standard arc-copy method.
18. Geometry constructions improve:
Correct Answer: A
It strengthens logical thinking.
It strengthens logical thinking.
19. The perpendicular bisector of a chord passes through:
Correct Answer: A
Property of circle chords.
Property of circle chords.
20. A regular polygon has all sides and angles:
Correct Answer: A
Definition of regular polygon.
Definition of regular polygon.
Note: These MCQs are strictly prepared as per CBSE Class 8 Mathematics syllabus based on NCERT books. They focus on geometric constructions and reasoning skills.