MCQ Questions for Class 7 Maths Chapter 14 Symmetry with Answers

Students are advised to solve Symmetry Multiple Choice Questions of Class 7 Maths to know different concepts. Practicing the MCQ Questions on Symmetry Class 7 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Symmetry Class 7 with answers provided with detailed solutions by looking below.

Question 1.
Letter ‘C’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.
(a) a horizontal mirror
(b) a vertical mirror
(c) both
(d) None of these

Answer

Answer: (a) a horizontal mirror


Question 2.
State the number of lines of symmetry for a quadrilateral.
(a) 1
(b) 0
(c) 2
(d) None of these

Answer

Answer: (b) 0
There is no line about which the figure may be folded.


Question 3.
How many lines of symmetries are there in an equilateral triangle?
(a) 2
(b) 3
(c) 0
(d) 1

Answer

Answer: (b) 3


Question 4.
Letter ‘G’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.
(a) Neither horizontal nor vertical
(b) a horizontal mirror
(c) a vertical mirror
(d) both

Answer

Answer: (a) Neither horizontal nor vertical


Question 5.
State the number of lines of symmetry for a scalene triangle.
(a) 1
(b) 2
(c) 0
(d) None of these

Answer

Answer: (c) 0
It is an irregular figure.


Question 6.
Which of these letters has only rotational symmetry?
(a) S
(b) E
(c) B
(d) P

Answer

Answer: (a) S


Question 7.
Which of the following triangles has no line of symmetry?
(a) An equilateral triangle
(b) An isosceles triangle
(c) A scalene triangle
(d) All of the above

Answer

Answer: (c) A scalene triangle


Question 8.
State the number of lines of symmetry for a parallelogram.
(a) 0
(b) 1
(c) 2
(d) None of these

Answer

Answer: (a) 0
There is no line about which the figure may be folded.


Question 9.
Letter ‘H’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.
(a) a vertical mirror
(b) Both horizontal and vertical
(c) a horizontal mirror
(d) Neither horizontal nor vertical

Answer

Answer: (b) Both horizontal and vertical


Question 10.
Number of lines of symmetry a triangle does not have:
(a) 3
(b) 1
(c) 0
(d) 2

Answer

Answer: (d) 2


Question 11. State the number of lines of symmetry a circle.
(a) Infinite
(b) 0
(c) 4
(d) None of these

Answer

Answer: (a) Infinite
There are infinite number of lines about which the figure may be folded.


Question 12.
How many lines of symmetries are there in regular pentagon?
(a) 2
(b) 3
(c) 5
(d) 4

Answer

Answer: (c) 5


Question 13.
Which of the following has both horizontal as well as vertical line of symmetry?
(a) H
(b) S
(c) V
(d) A

Answer

Answer: (a) H


Question 14.
State the number of lines of symmetry for a rhombus.
(a) 5
(b) 3
(c) 2
(d) Noun of these

Answer

Answer: (c) 2
There are two lines about which the figure may be folded.


Question 15.
Which of the following alphabets has line symmetry?
(a) P
(b) Q
(c) Z
(d) A

Answer

Answer: (d) A


Question 16.
Which of the following letters have reflection line of symmetry about vertical mirror?
(a) C
(b) V
(c) B
(d) Q

Answer

Answer: (b) V


Question 17.
State the number of lines of symmetry for an isosceles triangle.
(a) 0
(b) 1
(c) 2
(d) None of these

Answer

Answer: (b) 1
As there is only one face from where it is folded then makes angles of symmetry.


Question 18.
hat is the order of rotational symmetry of the English alphabet Z?
(a) 0
(b) 1
(c) 2
(d) 3

Answer

Answer: (c) 2


Question 19.
State the number of lines of symmetry for an equilateral triangle.
(a) 3
(b) 0
(c) 1
(d) None of these

Answer

Answer: (a) 3
As there are three vertex in a triangle.


Question 20.
How many lines of symmetries are there in a square?
(a) 2
(b) 3
(c) 4
(d) 1

Answer

Answer: (c) 4


Question 21.
State the number of lines of symmetry for a square.
(a) 2
(b) 3
(c) 4
(d) None of these

Answer

Answer: (c) 4
Square has a rotational symmetry of order 4.


Question 22.
Letter ‘D’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.
(a) a vertical mirror
(b) a horizontal mirror
(c) both
(d) None of these

Answer

Answer: (a) a vertical mirror


Question 23.
How many lines of symmetries are there in rectangle?
(a) 2
(b) 1
(c) 0
(d) None of these

Answer

Answer: (a) 2


Question 24. State the number of lines of symmetry a regular hexagon.
(a) 6
(b) 5
(c) 4
(d) None of these

Answer

Answer: (a) 6
There are six lines about which the figure may be folded.


Question 25.
A In A XYZ, XY = XZ and XM⊥YZand ZP⊥XY. About which of the following is the triangle symmetrical?
(a) XM
(b) YN
(c) ZP
(d) XZ

Answer

Answer: (a) XM


Question 26.
Which of these quadrilaterals have both line and rotational symmetries of order more than 3?
(a) A triangle
(b) A square
(c) A kite
(d) A rectangle

Answer

Answer: (b) A square


Question 27.
State the number of lines of symmetry for a rectangle.
(a) 5
(b) 2
(c) 3
(d) None of these

Answer

Answer: (b) 2
There are two lines about which the figure may be folded.


Question 28.
Which of the following alphabets has many lines of symmetry?
(a) I
(b) O
(c) P
(d) F

Answer

Answer: (b) O


Match the following :

Symmetry related to mirror reflection.

1. M(a) A vertical mirror
2. A(b) A horizontal mirror
3. B(c) Both horizontal and vertical mirror
4. 0(d) A vertical mirror
Answer

Answer:

1. M(d) A vertical mirror
2. A(a) A vertical mirror
3. B(b) A horizontal mirror
4. 0(c) Both horizontal and vertical mirror

Match the following :

Regular PolygonNumber of lines of symmetry
1. Hexagon(a) 5
2. Pentagon(b) 3
3. Square(c) 6
4. Equilateral triangle(d) 4
Answer

Answer:

Regular PolygonNumber of lines of symmetry
1. Hexagon(c) 6
2. Pentagon(a) 5
3. Square(d) 4
4. Equilateral triangle(b) 3

State whether the given statements are True or False.

Question 1.
If a figure has two or more fines of symmetry, should it have rotational symmetry of order more than 1.

Answer

Answer: True


Question 2.
A parallelogram has both fine and rotational symmetry of order more than 1.

Answer

Answer: False


Question 3.
We can have a rotational symmetry of order more than 1 whose angle of rotation is 45°.

Answer

Answer: True


Question 4.
We can have a rotational symmetry of order more than 1 whose angle of rotation is 17°.

Answer

Answer: False


Fill in the blanks.

1. If after a rotation, an object looks exactly the same we say that it has a ………… .

Answer

Answer: rotational symmetry


2. ………. have equal sides and equal angles.

Answer

Answer: regular polygon


3. A figure has ……….,, if there is a line about which the figure may be folded so that the two parts of the figure will coincide.

Answer

Answer: line symmetry


4. In a complete turn (of 360°) the number of times an object looks exactly the same is called the ………. .

Answer

Answer: order of rotational symmetry


5. Rotation turns an object about a fixed point. This fixed point is the ………. .
The angle by which the object rotates is the ……….. .

Answer

Answer: centre of rotation, angle of rotation


 


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