In this chapter, Lines and angles, you will revise all the key ideas of points, lines, rays, and angles in a fun way. You’ll solve multiple-choice questions with four options and answers. You’ll also practice fill-in-the-blank questions that test your memory of definitions and important details. It’s a quick and effective way to prepare and test yourself before exams!
Class 6 Maths Chapter 2 MCQ Lines and angles
Question 1: Which of the following best describes a point?
a) A dot with thickness
b) A precise location with no size
c) A very small circle
d) A straight path
Answer:
b) A precise location with no size
Question 2: If two distinct points are marked on paper, how many lines can pass through both?
a) None
b) One
c) Two
d) Infinitely many
Answer:
b) One
Question 3: A line segment differs from a line because it ___.
a) Extends in both directions endlessly
b) Has only one endpoint
c) Has two fixed endpoints
d) Cannot be measured
Answer:
c) Has two fixed endpoints
Question 4: Which of these is a correct example of a ray?
a) The crease on folded paper
b) The beam of light from a torch
c) A ruler
d) A closed book
Answer:
b) The beam of light from a torch
Question 5: Which of the following is true about a line?
a) It has no endpoints
b) It extends endlessly in two directions
c) It can be named using two points
d) All of the above
Answer:
d) All of the above
Question 6: Which part of an angle is always written as the middle letter in its name?
a) Any point on the arms
b) Vertex
c) Ray
d) Line
Answer:
b) Vertex
Question 7: Which situation shows an angle being formed?
a) A pencil kept on a table
b) A clock showing 3 o’clock
c) A straight line drawn on paper
d) Two parallel lines
Answer:
b) A clock showing 3 o’clock
Question 8: Which of the following makes the largest angle in real life?
a) A door just slightly open
b) A clock showing 12:05
c) A clock showing 6:00
d) A book cover opened a little
Answer:
c) A clock showing 6:00
Question 9: Two lines meeting at right angles are called ___.
a) Parallel lines
b) Perpendicular lines
c) Equal lines
d) Reflex lines
Answer:
b) Perpendicular lines
Question 10: Which of these is an acute angle?
a) 120°
b) 75°
c) 180°
d) 270°
Answer:
b) 75°
Question 11: Which of these is an obtuse angle?
a) 30°
b) 60°
c) 100°
d) 360°
Answer:
c) 100°
Question 12: Which of the following is a reflex angle?
a) 60°
b) 150°
c) 200°
d) 90°
Answer:
c) 200°
Question 13: The angle formed by a straight line measures ___.
a) 90°
b) 120°
c) 180°
d) 360°
Answer:
c) 180°
Question 14: The angle between the hands of a clock at 3 o’clock is ___.
a) 30°
b) 90°
c) 120°
d) 180°
Answer:
b) 90°
Question 15: Which angle is larger: ∠ABC = 60° or ∠XYZ = 120°?
a) ∠ABC
b) ∠XYZ
c) Both are equal
d) Cannot be compared
Answer:
b) ∠XYZ
Question 16: Which of the following angles can form a triangle together?
a) 60°, 60°, 60°
b) 90°, 45°, 60°
c) 100°, 40°, 40°
d) All of the above
Answer:
d) All of the above
Question 17: The sum of all three angles of a triangle is always ___.
a) 90°
b) 120°
c) 180°
d) 360°
Answer:
c) 180°
Question 18: Which situation shows a reflex angle?
a) A clock at 10:10
b) A door opened more than a straight line
c) A book slightly opened
d) A right-angled triangle
Answer:
b) A door opened more than a straight line
Question 19: If two right angles are added together, we get a ___.
a) Straight angle
b) Acute angle
c) Reflex angle
d) Obtuse angle
Answer:
a) Straight angle
Question 20: Which of these angles is closest to a right angle?
a) 80°
b) 120°
c) 30°
d) 150°
Answer:
a) 80°
Question 21: Which angle shows less than a quarter turn?
a) 45°
b) 90°
c) 180°
d) 270°
Answer:
a) 45°
Question 22: Which angle is equal to half of a straight angle?
a) 30°
b) 60°
c) 90°
d) 120°
Answer:
c) 90°
Question 23: Which of the following statements is correct?
a) Length of arms decides the size of angle
b) Angle size depends only on amount of turn
c) Longer arms make larger angles
d) Shorter arms make smaller angles
Answer:
b) Angle size depends only on amount of turn
Question 24: The Ashoka Chakra has 24 spokes. The angle between two spokes is ___.
a) 10°
b) 12°
c) 15°
d) 18°
Answer:
c) 15°
Question 25: Which of the following is an example of perpendicular lines in daily life?
a) The edges of a book
b) The slanting edges of a roof
c) The diagonals of a kite
d) Parallel railway tracks
Answer:
a) The edges of a book
Question 26: Which of the following is NOT a type of angle?
a) Acute
b) Right
c) Reflex
d) Parallel
Answer:
d) Parallel
Question 27: Which real-life example shows an acute angle?
a) Slightly open scissors
b) A clock at 9:00
c) A swing at the highest point
d) A straight road
Answer:
a) Slightly open scissors
Question 28: A reflex angle is always ___ than a straight angle.
a) Smaller
b) Larger
c) Equal
d) Half
Answer:
b) Larger
Question 29: Which method is used to compare two angles directly?
a) By measuring their arms
b) By comparing arm lengths
c) By superimposing one on the other
d) By drawing perpendiculars
Answer:
c) By superimposing one on the other
Question 30: Which of these statements is true?
a) A full turn is 180°
b) A straight angle is 360°
c) A right angle is 90°
d) An obtuse angle is less than 90°
Answer:
c) A right angle is 90°
Fill in the blanks on Lines and angles Class 6
1. A point determines a precise ___ but has no length, breadth, or height.
Answer:
location
2. A line segment has exactly ___ endpoints.
Answer:
two
3. A line extends endlessly in ___ directions.
Answer:
both
4. A ray has one fixed ___ and extends endlessly in one direction.
Answer:
endpoint
5. Two distinct points in a plane always determine exactly ___ line.
Answer:
one
6. An angle is formed when two rays share a common ___.
Answer:
vertex
7. The arms of an angle are also called its ___.
Answer:
rays
8. A right angle is exactly ___ of a straight angle.
Answer:
half
9. A straight angle measures exactly ___ degrees.
Answer:
180°
10. Angles smaller than 90° are called ___ angles.
Answer:
acute
11. Angles greater than 90° but smaller than 180° are called ___ angles.
Answer:
obtuse
12. Angles greater than 180° but less than 360° are called ___ angles.
Answer:
reflex
13. A complete turn about a point forms an angle of ___ degrees.
Answer:
360°
14. Two right angles together form a ___ angle.
Answer:
straight
15. When two lines meet at right angles, they are said to be ___.
Answer:
perpendicular
16. The instrument used to measure the size of an angle is called a ___.
Answer:
protractor
17. A quarter turn corresponds to an angle of ___ degrees.
Answer:
90°
18. The sum of the three angles of a triangle is always ___ degrees.
Answer:
180°
19. The Ashoka Chakra has 24 spokes, and the angle between two spokes is ___ degrees.
Answer:
15°
20. Dividing an angle into two equal parts is called ___ the angle.
Answer:
bisecting
