CHAPTER – 14 Symmetry | CLASS 7TH |NCERT MATHS IMPORTANT QUESTIONS & MCQS | EDUGROWN
MATHS IMPORTANT QUESTIONS & MCQS FOR CLASS 7th
Get Chapter Wise MCQ Questions for Class 7 Maths with Answers prepared here according to the latest CBSE syllabus and NCERT curriculum. Students can practice CBSE Class 7 Maths MCQs Multiple Choice Questions with Answers to score good marks in the examination. Students can also visit the most accurate and elaborate NCERT Solutions for Class 7 Maths. Every question of the textbook has been answered here.
Chapter - 14 Symmetry
MCQs
Question 1.
How many lines of symmetry are there in an equilateral triangle?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (c) 3
Question 2.
How many lines of symmetry are there in a square?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (d) 4
Question 3.
How many lines of symmetry are there in a rectangle?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (b) 2
Question 4.
How many lines of symmetry are there in a regular pentagon?
(a) 1
(b) 2
(c) 3
(d) 5
Answer
Answer: (d) 5
Question 5.
How many lines of symmetry are there in a regular hexagon?
(a) 2
(b) 4
(c) 6
(d) 3
Answer
Answer: (c) 6
Question 6.
How many lines of symmetry are there in the following figure?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (a) 1
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 the following figure?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (a) 1
Question 9.
How many lines of symmetry are there in the following figure?
(a) 4
(b) 3
(c) 2
(d) 1
Answer
Answer: (d) 1
Question 10.
How many lines of symmetry are there in the following figure?
(a) 2
(b) 1
(c) 4
(d) 3
Answer
Answer: (b) 1
Question 11.
How many lines of symmetry are there in following figure?
(a) 1
(b) 2
(c) 3
(d) None of these
Answer
Answer: (a) 1
Question 12.
How many lines of symmetry are there in the following figure?
(a) 1
(b) 2
(c) 3
(d) Infinitely many
Answer
Answer: (d) Infinitely many
Question 13.
How many lines of symmetry are there in an isosceles triangle?
(a) 4
(b) 3
(c) 1
(d) 2
Answer
Answer: (c) 1
Question 14.
How many lines of symmetry are there in a scalene triangle?
(a) 1
(b) 0
(c) 2
(d) 4
Answer
Answer: (b) 0
Question 15.
How many lines of symmetry are there in a rhombus?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (b) 2
Question 16.
How many lines of symmetry are there in a parallelogram?
(a) 0
(b) 1
(c) 2
(d) None of these
Answer
Answer: (a) 0
Question 17.
How many lines of symmetry are there in a quadrilateral?
(a) 0
(b) 2
(c) 4
(d) None of these
Answer
Answer: (a) 0
Question 18.
The order of rotational symmetry of an equilateral triangle is
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (c) 3
Question 19.
The order of rotational symmetry of a square is
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (d) 4
Question 20.
What is the order of the rotational symmetry of the following figure?
(a) 4
(b) 3
(c) 2
(d) 1
Answer
Answer: (a) 4
Important Questions
Question 1.
Draw any two English alphabets having an only a vertical line of symmetry.
Solution:
Question 2.
Draw any two English alphabets having a horizontal line of symmetry.
Solution:
Question 3.
Draw any two English alphabets having both horizontal and vertical line of symmetry.
Solution:
Question 4.
Dray any two English alphabets which has no line of symmetry.
Solution:
Question 5.
Draw any two figures which have the order of rotational symmetry 4.
Solution:
Question 6.
Draw any two figures which have the order of rotational symmetry 2.
Solution:
Question 7.
State the order of rotational symmetry of the following figures.
Solution:
(i) Order of equilateral triangle = 3
(ii) Order of regular pentagon = 5.
Question 8.
Draw a figure having an infinite number of lines of symmetry.
Solution:
A circle has the infinite number of lines of symmetry.
Question 9.
Draw any two figure having no lines of symmetry.
Solution:
English alphabet R and P have no lines of symmetry.
Question 10.
State the English alphabet which has only the horizontal line of symmetry.
Solution:
B, C, D, E, H, I, O, X and K are the English alphabets having an only horizontal line of symmetry.
Symmetry Class 7 Extra Questions Short Answer Type
Question 11.
Give the order of rotational symmetry of each of the following figures:
Solution:
(a) Order of rotational symmetry = 4
(b) Order of rotational symmetry = 5
(c) Order of rotational symmetry = 3
(d) Order of rotational symmetry = 6
(e) Order of rotational symmetry = 3
(f) Order of rotational symmetry = 4
Question 12.
How many lines of symmetry do the following have:
(a) a parallelogram
(b) an equilateral triangle
(c) a right angle with equal legs
(d) an angle with equal arms
(e) a semicircle
(f) a rhombus
(g) a square
(h) scalene triangle
Solution:
Question 13.
What letters of the English alphabet have reflectional symmetry about
(а) a vertical mirror
(b) a horizontal mirror
(c) both horizontal and vertical mirrors
Solution:
(a) The letters of English alphabet having reflectional symmetry about a vertical mirror are:
A, H, I, M, O, T, U, V, W, X, Y
(b) Letters of the English alphabets having reflectional symmetry about a horizontal mirror are:
B, C, D, E, H, I, O, X
(c) Letters of the English alphabet having reflectional of symmetry about vertical and horizontal mirror are:
O, X, I, H.
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