Reflection and Rotation Quiz - CBSE Class 7 Mathematics

Free practice quiz: Reflection and Rotation (CBSE Class 7 Mathematics). 18 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is reflection in symmetry?

   1. Turning an object around
   2. Flipping an object over a line
   3. Sliding an object
   4. Stretching an object
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   Answer: B. Flipping an object over a line

   Reflection in symmetry means flipping an object over a line, creating a mirror image.

2. Which transformation is NOT a type of rigid transformation?

   1. Reflection
   2. Translation
   3. Rotation
   4. Stretching
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   Answer: D. Stretching

   Rigid transformations such as Reflection, Translation, and Rotation preserve the shape and size of figures, unlike Stretching, which alters them.

3. What is the reflected image of point (-2, 5) over the y-axis?

   1. (2, 5)
   2. (-2, -5)
   3. (2, -5)
   4. (-5, 2)
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   Answer: A. (2, 5)

   Reflecting over the y-axis changes the sign of the x-coordinate. So, (-2, 5) becomes (2, 5).

4. Which polygon has rotational symmetry of order 4?

   1. Equilateral triangle
   2. Square
   3. Pentagon
   4. Hexagon
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   Answer: B. Square

   A square can be rotated at 90-degree intervals and still appear the same, thus it has an order of rotational symmetry of 4.

5. In a reflection, what remains unchanged?

   1. Shape
   2. Size
   3. Orientation
   4. Both shape and size
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   Answer: D. Both shape and size

   During a reflection, the shape and size remain unchanged, though the orientation may change.

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