Multiple choice

A column has an object not belonging to the category. Which of the following object is wrongly placed?

     
Non-luminous Transparent Opaque
1 Smoke Glass Board
2 Mirror Water Wall
3 Firefly Lenses Rock
4 Pencil Air Book

  1. Firefly

  2. Smoke

  3. Lens

  4. Book

  5. Water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is the correct answer. A firefly gives out light of its own, hence it is luminous. It is placed in the column of non-luminous objects, which is wrong.

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