5th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Ozone layer is mainly present in which of the following layers of atmosphere?

    A) Troposphere      

    B)        Stratosphere

    C) Thermosphere    

    D) Mesosphere

    E)  None of these

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner