Here we are providing **Class 6 Math Important Objective** Chapter – 4 Basic Geometrical Ideas because its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 6 Math Important Objective Chapter – 4 Basic Geometrical Ideas is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class 6 Math Important Objective Chapter – 4 Basic Geometrical Ideas 80+ questions so that students practice more and more. If you want class wise Notes Then **Click Here**

## Class 6 Math Important Objective Chapter – 4 Basic Geometrical Ideas

1. A polygon having four sides is called

(a) triangle

(b) quadrilateral

(c) circle

(d) none of these

**Ans-(b)**

2. What is a set of points extending infinitely in all directions on the same flat surface called?

(a) A line

(b) A plane

(c) Ray

(d) A point

**Ans-(b)**

3. Two lines meeting at a point are called ___________ .

(a) intersecting lines

(b) concurrent lines

(c) parallel line

(d) None of these

**Ans-(a)**

4. Least number of line segments required to make a polygon is

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(c)**

5. A quadrilateral is a polygon having

(a) two sides

(b) three sides

(c) four sides

(d) none of these

**Ans-(c)**

6. How many points are enough to fix a line?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(b)**

7. Angle which is equal to 90° is classified as

(a) right angle

(b) obtuse angle

(c) acute angle

(d) reflex angle

**Ans-(a)**

8. Two distinct lines meeting at a points are called _____________.

(a) intersecting lines

(b) parallel lines

(c) collinear lines

(d) None of these

**Ans-(a)**

9. How many lines can be drawn through given two points?

(a) Only one

(b) 2

(c) 4

(d) Countless

**Ans-(a)**

10. A flat surface which extends indefinitely in all directions is called ___________ .

(a) plane

(b) lines

(c) point

(d) line segment

**Ans-(a)**

11. Out of following options, two angles that are together classified as complementary angles are

(a) 120° and 60°

(b) 50° and 30°

(c) 65° and 25°

(d) 70° and 30°

**Ans-(c)**

12. Two intersecting lines intersect in

(a) 1 point

(b) 2 points

(c) 3 points

(d) 4 points

**Ans-(a)**

13. If two angles are said to be supplementary angles and one of angle is of 122° then other angle is of

(a) 35°

(b) 32°

(c) 60°

(d) 58°

**Ans-(d)**

14. How many lines can pass through one given point?

(a) 1

(b) 2

(c) 4

(d) Countless

**Ans-(d)**

15. How many lines pass through two given points?

(a) one

(b) two

(c) three

(d) many

**Ans-(a)**

16. How many lines can pass through two given points?

(a) Only one

(b) 2

(c) 4

(d) Countless

**Ans-(a)**

17. How many vertices are there in the following figure?

(a) 5

(b) 3

(c) 2

(d) 4

**Ans-(a)**

18. How many sides are there in the following figure?

(a) 5

(b) 4

(c) 2

(d) 3

**Ans-(a)**

19. How many diagonals are there in the follow-ing figure?

(a) 4

(b) 5

(c) 2

(d) 3

**Ans-(b)**

20. Find ‘False’ statement.

(a) Two diameters of a circle will necessarily intersect.

(b) The centre of a circle always lies in the interior.

(c) The diameter is half of the radius of a circle.

(d) Longer chord is nearer to the centre of the circle.

**Ans-(c)**

21. The minimum number of points of intersection of three lines is

(a) zero

(b) one

(c) two

(d) three

**Ans-(a)**

22. How many vertices are there in a triangle?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(c)**

23. A line has

(a) fixed length

(b) infinite length

(c) 100 cm length

(d) none of these

**Ans-(b)**

24. Which of the following has two end points?

(a) Line

(b) Ray

(c) Line-segment

(d) None of these

**Ans-(c)**

25. What is a set of points which extend infinitely in both directions called?

(a) A line

(b) A plane

(c) A line segment

(d) A point

**Ans-(a)**

26. How many sides are there in a triangle?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(c)**

27. Number of lines which can be drawn passing through two given points

(a) 1

(b) 2

(c) 3

(d) An infinite number

**Ans-(c)**

28. A line segment has definite

(a) Length

(b) Breadth

(c) Thickness

(d) Area

**Ans-(a)**

29. How many angles are there in a triangle?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(c)**

30. If two lines are perpendicular to each other then angle between them at the point of contactis

(a) 90o

(b) 100o

(c) 85o

(d) 80o

**Ans-(a)**

31. A triangle has

(a) one element

(b) two elements

(c) 6 elements

(d) none of these

**Ans-(c)**

32. The number of diagonal in a triangle are

(a) 0

(b) 1

(c) 2

(d) 3

**Ans-(a)**

33. How many vertices are there in a quadrilat¬eral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(d)**

34. The number of sides in a pentagon are

(a) 5

(b) 3

(c) 6

(d) 4

**Ans-(a)**

35. A point where three or more lines meet is called

(a) point of concurrence

(b) meeting point

(c) collinear point

(d) non-collinear point

**Ans-(a)**

36. The number of line segment in the adjoining figure

(a) 3

(b) 4

(c) 2

(d) 1

**Ans-(a)**

37. How many sides are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(d)**

38. What are used to represent points?

(a) Numerals.

(b) Capital letters of alphabet.

(c) Lower case letters of alphabet.

(d) All of the above

**Ans-(b)**

39. How many angles are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(d)**

40. Two line segments having the same length are said to be

(a) Equal

(b) Parallel

(c) Unequal

(d) Same

**Ans-(a)**

41. Which instrument is used to compare two line segments?

(a) Compasses

(b) A divider

(c) Set squares

(d) A protractor

**Ans-(b)**

42. A portion of a line is known as

(a) Line segment

(b) Line

(c) Portion of a line

(d) None of these

**Ans-(a)**

43.How many pairs of adjacent sides are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(d)**

44. Number of line segments which can be drawn joining two points

(a) One

(b) Two

(c) Infinite

(d) None

**Ans-(a)**

45. A __________ of a circle is a line segment joining any two points on the circle.

(a) chord

(b) diameter

(c) radius

(d) None of these

**Ans-(a)**

46. How many pairs of opposite angles are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(b)**

47. Angle which is less than 360° and larger than 180° is classified as

(a) acute angle

(b) obtuse angle

(c) reflex angle

(d) right angle

**Ans-(c)**

48. If the length of a line segment AB = 3 cm then 2AB will be

(a) 6 cm

(b) 8 cm

(c) 4 cm

(d) 9 cm

**Ans-(a)**

49. Any line segment can be formed by joining

(a) two points

(b) three points

(c) four points

(d) more than three points

**Ans-(a)**

50. Three or more points are collinear if they lie on the

(a) same line

(b) two lines

(c) same surface

(d) none of these

**Ans-(a)**

51. The lines which do not intersect and have equal distance between them are called

(a) Parallel lines

(b) Straight lines

(c) Intersecting lines

(d) Perpendicular lines

**Ans-(a)**

52. A quadrilateral has

(a) one vertex

(b) two vertices

(c) three vertices

(d) four vertices

**Ans-(d)**

53. Flat surface in which two points are joined by using straight line is classified as

(a) line

(b) plane

(c) ray

(d) intersecting line

**Ans-(b)**

54. What is a set of points which extend infinitely in both directions called?

(a) A line

(b) A plane

(c) A line segment

(d) A point

**Ans-(a)**

55. How many pairs of opposite sides are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(b)**

56. The meeting point of a pair of adjacent sides of a polygon is called its

(a) vertex

(b) diagonal

(c) adjacent angles

(d) none of these

**Ans-(a)**

57. How many pairs of adjacent angles are there in a quadrilateral?

(a) 1

(b) 2

(c) 3

(d) 4

**Ans-(d)**

58. What is the number of end points of a line?

(a) Zero

(b) Two

(c) One

(d) Three

**Ans-(a)**

59. An angle is made up of two ________ starting from common end point.

(a) rays

(b) vertices

(c) lines

(d) points

**Ans-(a)**

60. Angle which is less than 90° is called

(a) reflex angle

(b) obtuse angle

(c) acute angle

(d) right angle

**Ans-(c)**

61. Which of the following statements is false?

(a) Two diameters of a circle will necessarily intersect.

(b) The centre of a circle is always in its interior.

(c) Every diameter of a circle is also a chord.

(d) Every chord of a circle is also a diameter.

**Ans-(d)**

62. The maximum number of points of intersection of three lines is

(a) one

(b) two

(c) three

(d) four

**Ans-(c)**

63. If two lines intersects each other then the common point between them is known as point of _________.

(a) concurrence

(b) intersection

(c) vertex

(d) contact

**Ans-(b)**

64. Out of following, one angle which is obtuse is

(a) 11/21 of a right angle

(b) 8/20 of a complete rotation

(c) 11/21 of a complete rotation

(d) 8/20 of a right angle

**Ans-(b)**