We have compiled the NCERT MCQ Questions for Class 7 Maths Chapter 14 Symmetry with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Maths with Answers on a daily basis and score well in exams. Refer to the Symmetry Class 7 MCQs Questions with Answers here along with a detailed explanation.
Symmetry Class 7 MCQs Questions with Answers
Choose the correct option.
Question 1.
How many lines of symmetry are there in a regular pentagon?
(a) 1
(b) 2
(c) 3
(d) 5
Answer
Answer: (a) 1
Question 2.
How many lines of symmetry are there in a rectangle?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (c) 3
Question 3.
The order of rotational symmetry of a circle is
(a) 1
(b) 4
(c) 2
(d) infinite
Answer
Answer: (d) infinite
Question 4.
The order of rotational symmetry of the following figure is:
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (b) 2
Question 5.
Which of the following has only one line of symmetry?
(a) A rectangle
(b) A square
(c) A semi circle
(d) An equilateral triangle
Answer
Answer: (c) A semi circle
Question 6.
The angle of rotation of an isosceles triangle is
(a) 120°
(b) 270°
(c) 180°
(d) 360°
Answer
Answer: (c) 180°
Question 7.
How many lines of symmetry are there in the following figure?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (a) 1
Question 8.
How many lines of symmetry are there in a scalene triangle?
(a) 1
(b) 0
(c) 2
(d) 4
Answer
Answer: (b) 0
Question 9.
How many lines of symmetry are there in a parallelogram?
(a) 0
(b) 1
(c) 2
(d) None of these
Answer
Answer: (d) None of these
Question 10.
The order of the rotational symmetry of the following figure about the point marked x is
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (c) 3
Question 11.
Which of the following has rotational symmetry?
Answer
Answer: (i)
Question 12.
The order of rotational symmetry of a circle is:
(a) 1
(b) 4
(c) 2
(d) infinite
Answer
Answer: (d) infinite
Fill in the blanks
Question 1.
The rotational symmetry of order
Answer
Answer: 2
Question 2.
A figure which can be rotated into itself is said to have ………………….. symmetry.
Answer
Answer: point
Question 3.
The point about which the figure is rotated is called the ………………….. of rotational symmetry.
Answer
Answer: point
Question 4.
The number of times a figure fits into itself in one complete rotation is called the order of ………………….. symmetry.
Answer
Answer: Rotational
Question 5.
A rectangle has rotational symmetry of order …………………..
Answer
Answer: 2
Question 6.
A figure is said to be symmetrical about a …………………. if it is identical on either side of it. [plane/line]
Answer
Answer: line
Question 7.
An isosceles triangle is symmetrical about the bisector of the angle included between the …………………. sides. [equal/unequal]
Answer
Answer: equal
Question 8.
If ABCD is an isosceles trapezium such that AB || DC and AD = BC, then it is symmetrical about the line joining the mid-point of …………………. [AB and DC/AD and BC]
Answer
Answer: AB and DC
Question 9.
A rectangle has two lines of symmetry each one of which is the line joining the mid-point of …………………. sides. [opposite/adjacent]
Answer
Answer: opposite
Question 10.
The number of times a shape will fit onto itself in one complete turn is called …………………. of the rotational symmetry.
Answer
Answer: order
Question 11.
An equilateral triangle has …………………. symmetry of order three.
Answer
Answer: rotational
Question 12.
Rotating a figure through 90° clockwise is the same as rotating it anti-clock wise through …………………. [270°/180°]
Answer
Answer: 270°
Question 13.
Rotating a figure through 180° clockwise is the same as rotating it anti-clock wise through …………………. [90°/180°]
Answer
Answer: 180°
Match the following
| Column A | Column B |
| (1) A rectangle has a rotational symmetry of order……….. | (a) Infinite |
| (2) An equilateral triangle has ……….. lines of symmetry | (b) 6 |
| (3) A circle has …………. lines of symmetry. | (c) 1 |
| (4) The letter “A” has rotational symmetry of order…………. | (d) 3 |
| (5) The number of lines of symmetry of a regular hexagon is …….. | (e) 2 |
Answer
Answer:
| Column A | Column B |
| (1) A rectangle has a rotational symmetry of order……….. | (e) 2 |
| (2) An equilateral triangle has ……….. lines of symmetry | (d) 3 |
| (3) A circle has …………. lines of symmetry. | (a) Infinite |
| (4) The letter “A” has rotational symmetry of order…………. | (c) 1 |
| (5) The number of lines of symmetry of a regular hexagon is …….. | (b) 6 |
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