2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room?

    A) On the door

    B) On the floor

    C) On any wall

    D) On the ceiling

    E) None of these

    Correct Answer: D

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