CBSE Class 6 Mathematics Lines and Angles MCQs Set I

Question. To show different points, we use...
(a) Small letters
(b) Numbers
(c) Capital letters
(d) Colors

Answer: C

Question. How many lines can pass through one single point?
(a) Only one
(b) Exactly two
(c) Uncountable many lines
(d) Zero

Answer: C

Question. A line can be extended
(a) In one direction only
(b) Between two fixed points
(c) Indefinitely in both directions
(d) Only to the left

Answer: C

Question. An angle of 90° is also known as:
(a) Acute
(b) Straight
(c) Reflex
(d) Right

Answer: D

Question. In a clock, angle between hands at 1 o'clock is...
(a) 90 degrees
(b) 30 degrees
(c) 60 degrees
(d) 10 degrees

Answer: B

Question. Angle smaller than a right angle is called...
(a) Obtuse angle
(b) Acute angle
(c) Straight angle
(d) Reflex angle

Answer: B

Question. Which of the following angles is greater than a straight angle?
(a) 45°
(b) 135°
(c) 200°
(d) 180°

Answer: C

Question. What is the degree measure of a full rotation?
(a) 90°
(b) 180°
(c) 360°
(d) 270°

Answer: C

Question. An angle smaller than a right angle is called...
(a) Obtuse angle
(b) Acute angle
(c) Straight angle
(d) Full angle

Answer: B

Question. If Vidya rotates her book cover more, the angle will become...
(a) Smaller
(b) Greater
(c) Stays same
(d) Zero

Answer: B

Question. Which part of a protractor is aligned with the vertex of the angle?
(a) Outer edge
(b) Centre point
(c) Straight edge
(d) Top scale

Answer: B

Question. If two angles measure 30° and 60°, they are both:
(a) Obtuse
(b) Reflex
(c) Right
(d) Acute

Answer: D

Question. While naming an angle like ∠DBE, the vertex letter is always written...
(a) First
(b) In the middle
(c) At the end
(d) Anywhere

Answer: B

Question. How many lines can pass through two fixed points?
(a) Only one unique line
(b) Two lines
(c) Five lines
(d) Ten lines

Answer: A

Question. Which angle is larger?
(a) Acute angle
(b) Right angle
(c) Obtuse angle
(d) Reflex angle

Answer: D

Question. Which angle is used to represent a perfect L-shape?
(a) 30°
(b) 45°
(c) 60°
(d) 90°

Answer: D

Question. What is the angle between two adjacent spokes of the Ashoka Chakra with 24 spokes?
(a) 10°
(b) 15°
(c) 20°
(d) 30°

Answer: B

Question. What is a line segment?
(a) A part of a line with two endpoints.
(b) A line that extends indefinitely in both directions.
(c) A portion of a line that starts at a point and goes in one direction.
(d) None of the options

Answer: A

Question. Two right angles together form a...
(a) Acute angle
(b) Straight angle
(c) Full turn
(d) Point

Answer: B

Question. Angle greater than 180 degrees but less than 360 degrees is...
(a) Acute
(b) Obtuse
(c) Reflex angle
(d) Right angle

Answer: C