CBSE Class 7 Mathematics Parallel and Intersecting Lines MCQs Set 06

Question. In Example 4, if line segments AD and BC are parallel, and CD is the transversal. If ∠ADC is 60°, then ∠BCD is
(a) 60°
(b) 120°
(c) 55°
(d) 65°

Answer: B

Question. The application of geometry is widespread in many fields, including physics, engineering, architecture, and also
(a) Cooking
(b) Art
(c) History
(d) Music

Answer: B

Question. When you fold a piece of paper horizontally in half, the crease line formed relates to the vertical sides by being
(a) Parallel
(b) Perpendicular
(c) Intersecting
(d) Diagonal

Answer: B

Question. What is formed when two lines intersect at a point on a plane surface?
(a) Parallel lines
(b) Perpendicular lines
(c) Intersecting lines
(d) Transversal lines

Answer: C

Question. If you fold a square paper, the opposite edges of the sheet are normally
(a) Intersecting
(b) Perpendicular
(c) Parallel
(d) Diagonal

Answer: C

Question. If you make a vertical fold in a square sheet, this new vertical line is what to the previous horizontal lines?
(a) Parallel
(b) Perpendicular
(c) Opposite
(d) Same

Answer: B

Question. In geometry, sometimes the measurements do not match the theoretical calculations exactly, but they come out
(a) Exactly double
(b) Exactly half
(c) Very close
(d) Very far

Answer: C

Question. Which statement is true about linear pairs of angles?
(a) They are always equal
(b) They are always 45° each
(c) Their sum is always 180°
(d) They are never equal

Answer: C

Question. To draw a line parallel to line l through point A using paper folding, the first fold passing through A must be what to line l?
(a) Parallel
(b) Perpendicular
(c) Diagonal
(d) Curved

Answer: B

Question. After making the first perpendicular fold (t) through point A, the second fold (m) that is perpendicular to t passing through A will be what to the original line l?
(a) Perpendicular
(b) Intersecting
(c) Parallel
(d) Same line

Answer: C

Question. The justification that vertically opposite angles are equal is called a
(a) Measurement
(b) Experiment
(c) Conjecture
(d) Proof

Answer: D

Question. What is formed when a line intersects two different lines?
(a) Triangle
(b) Eight angles
(c) One angle
(d) Right angle

Answer: B

Question. When looking at the lines in pictures like the railway track or bench slats, they appear to be what kind of lines?
(a) Intersecting lines
(b) Perpendicular lines
(c) Parallel lines
(d) Curved lines

Answer: C

Question. If lines l and m are intersected by transversal t. ∠1 and ∠3 are vertically opposite angles, and ∠2 and ∠4 form a linear pair. If ∠1 is 80°, what is the measure of ∠4?
(a) 80°
(b) 100°
(c) 90°
(d) 180°

Answer: B

Question. If two lines intersect and form four equal angles, each angle will be 90 degrees, and the lines are called
(a) Intersecting lines
(b) Parallel lines
(c) Perpendicular lines
(d) Transversals

Answer: C

Question. When drawing parallel lines, the notation used to show that a set of lines is parallel is
(a) A square symbol
(b) A single arrow mark (>) on each line
(c) An X mark
(d) A 90 degree sign

Answer: B

Question. Which notation indicates that two lines are parallel in a diagram?
(a) A square at the intersection
(b) Double tick marks
(c) Arrow marks
(d) Dashed lines

Answer: C

Question. If a line l intersects a line m and angle a is 80 degrees, then its vertically opposite angle c must be
(a) 100 degrees
(b) 80 degrees
(c) 90 degrees
(d) 180 degrees

Answer: B

Question. If angle a and angle d are vertically opposite angles formed by two intersecting lines, then their measure is always
(a) Complementary
(b) Equal
(c) Supplementary
(d) 180 degrees

Answer: B

Question. When two lines intersect, adjacent angles, like angle 'a' and angle 'b', they are called linear pairs, and they always sum up to
(a) 90 degrees
(b) 120 degrees
(c) 180 degrees
(d) 360 degrees

Answer: C