1st Class Science Good Habits, Safety and First Aid Question Bank Good Habits, Safety and First Aid

  • question_answer 20) In traffic signals, to stoop the vehicles, the            

    A)              red     

    B)                                   blue

    C)              green

    D)                                   yellow

    Correct Answer: A

    Solution :

                     To stop the vehicles, the red light is used.

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