CBSE Class 7 Mathematics Parallel and Intersecting Lines MCQs Set 05

Question. In the geometry notation, a square angle symbol between two lines shows that the lines are
(a) Parallel
(b) Intersecting
(c) Perpendicular
(d) Acute

Answer: C

Question. Lines that lie on the same plane and do not meet even when extended infinitely are called
(a) Intersecting lines
(b) Perpendicular lines
(c) Skew lines
(d) Parallel lines

Answer: D

Question. Examples of plane surfaces given in the chapter are the table top, blackboard, bulletin board, and a
(a) Square paper piece
(b) Globe
(c) Triangle
(d) Circle

Answer: A

Question. What is a transversal?
(a) A line parallel to two other lines
(b) A line that intersects two other lines
(c) A line perpendicular to another line
(d) A line that does not form angles

Answer: B

Question. When we draw lines on a piece of paper, we are exploring the relationship between lines on a
(a) Solid surface
(b) Curved surface
(c) Plane surface
(d) Diagonal surface

Answer: C

Question. The ideal line in geometry does not have any thickness. This is important because variation in thickness can cause what when we measure angles?
(a) Equal angles
(b) Right angles
(c) Measurement errors
(d) Parallel lines

Answer: C

Question. A line t intersects two other lines l and m. Line t is called a transversal. How many sets of four angles are formed?
(a) One set
(b) Two sets
(c) Three sets
(d) Four sets

Answer: B

Question. In Figure 5.14, if line t intersects lines l and m, how many pairs of vertically opposite angles are formed in total?
(a) Two pairs
(b) Three pairs
(c) Four pairs
(d) Eight pairs

Answer: C

Question. How many pairs of vertically opposite angles are formed when a transversal intersects two lines?
(a) Two
(b) Three
(c) Four
(d) Five

Answer: C

Question. When a transversal intersects two lines, what is the maximum number of distinct angle measures possible among the eight angles formed?
(a) Two
(b) Three
(c) Four
(d) Six

Answer: C

Question. In Figure 5.14, Angle 1 and Angle 5 are corresponding angles because they have the same
(a) Measure
(b) Position
(c) Sum
(d) Difference

Answer: B

Question. Which pairs are corresponding angles in Figure 5.14, besides ∠1 and ∠5?
(a) ∠2 and ∠3
(b) ∠3 and ∠7
(c) ∠4 and ∠5
(d) ∠6 and ∠8

Answer: B

Question. Which of the following describes parallel lines?
(a) Lines that intersect at one point
(b) Lines that meet at 90°
(c) Lines that never meet on a plane
(d) Lines that form a linear pair

Answer: C

Question. If lines l and m are intersected by a transversal t, and the corresponding angles are equal, then lines l and m must be
(a) Intersecting
(b) Perpendicular
(c) Parallel
(d) Vertical

Answer: C

Question. If two lines l and m are parallel, and a transversal cuts them, the corresponding angles formed are always
(a) Complementary
(b) Supplementary
(c) Equal to each other
(d) Half of each other

Answer: C

Question. If two lines are NOT parallel to each other, the corresponding angles formed by a transversal can never be
(a) Equal to each other
(b) 180 degrees
(c) Greater than 90 degrees
(d) Less than 90 degrees

Answer: A

Question. When we draw parallel lines using a set square and a ruler, we use the set square to ensure that the lines make what angle with the transversal l?
(a) 45 degrees
(b) 60 degrees
(c) 90 degrees
(d) 180 degrees

Answer: C

Question. What is the measure of each angle when two lines are perpendicular?
(a) 45°
(b) 90°
(c) 120°
(d) 180°

Answer: B

Question. The fact that the corresponding angles measure 90 degrees when drawing parallel lines with a set square confirms that the new lines are
(a) Intersecting
(b) Perpendicular
(c) Parallel
(d) Curved

Answer: C

Question. If two lines l and m are parallel, how should we show this notation in geometry figures?
(a) With a square symbol
(b) With a single arrow mark (>) on each line
(c) By writing l \perp m
(d) With a degree symbol

Answer: B