Multiple choice general knowledge science & technology

If all the rest have left the room and you are the last, do your bit, Turn __ the light before you go.

  1. On

  2. Off

  3. Do nothing

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When you're the last person leaving a room, you should turn off the light to save energy. 'Turn off the light' is the correct environmental practice. Turning it on would waste energy, and doing nothing defeats the purpose.

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