Basic Geometrical Ideas Practice Questions

Class 6 · Mathematics · 1151 free MCQs with instant results and detailed explanations.

1151

Total

360

Easy

561

Medium

230

Hard

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Topics in Basic Geometrical Ideas

Curves and Polygons 279

Line Segments 258

Points Lines Planes 331

Angles 283

Sample Questions from Basic Geometrical Ideas

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

What describes a point in geometry?

A. A location with no size

B. A straight line

C. A flat surface

D. A three-dimensional figure

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Correct Answer: A

A point is defined as a precise location in space that has no dimensions, hence it has no size.

Easy

How many points determine a straight line?

A. One

B. Two

C. Three

D. Four

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Correct Answer: B

Two distinct points are necessary to define a straight line, as you can draw a line connecting them.

Easy

Which of the following represents a plane?

A. A flat surface extending infinitely

B. A solid cube

C. A curved surface

D. A line segment

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Correct Answer: A

A plane is defined as a flat surface that extends infinitely in all directions.

Medium

Which of the following describes a line?

A. A straight path extending in both directions without ending.

B. A figure that has length but no width or height.

C. A flat surface that extends infinitely in all directions.

D. A specific point in space.

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Correct Answer: A

A line is defined as a straight path with no endpoints, extending infinitely in both directions.

Medium

How many points are needed to define a unique line?

A. One

B. Two

C. Three

D. Four

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Correct Answer: B

A unique line can be defined by any two distinct points.

Medium

What is the intersection of two lines called?

A. Point

B. Line segment

C. Ray

D. Plane

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Correct Answer: A

The intersection of two lines is a single point where they meet.

Medium

Which of the following represents a plane in geometry?

A. A flat surface extending infinitely in all directions.

B. A line that has a specific length.

C. A 3D shape with volume.

D. Two intersecting lines.

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Correct Answer: A

A plane is defined as an infinite flat surface with no thickness.

Hard

Which of the following best defines a line in geometry?

A. A straight path that extends in both directions without end.

B. A part of a line that has two endpoints.

C. A flat surface that has length and width but no thickness.

D. A point that does not occupy any space.

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Correct Answer: A

A line is defined as a straight path that extends infinitely in both directions, having no endpoints.

Hard

How many lines can be drawn through a single point?

A. One

B. Two

C. Infinitely many

D. None

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Correct Answer: C

Through a single point, an infinite number of lines can be drawn in different directions.

Q10

Hard

If two lines intersect at one point, what can be said about the angles formed?

A. All angles are equal.

B. The sum of adjacent angles is 90 degrees.

C. The opposite angles are equal.

D. There are no angles formed.

Show Answer & Explanation

Correct Answer: C

When two lines intersect, the opposite angles (also known as vertical angles) are equal.

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Basic Geometrical Ideas — Class 6 Mathematics Practice Questions Online

This page contains 1151 practice MCQs for the chapter Basic Geometrical Ideas in Class 6 Mathematics. The questions are organized by difficulty — 360 easy, 561 medium, 230 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.