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6th Class Science The Living Organisms and their Surrounding Question Bank Our Environment

  • question_answer
    Read the following statements.
    (i) Air dissolved in water cannot be removed from it.
    (ii) Density of air decreases with increasing altitude.
    (iii) Air is an element that surrounds the Earth and makes it hospitable for living organisms.
    (iv) Air helps in pollination of several flowers and in the dispersal of seeds.
    Which of the above statements are correct?

    A) (i) and (ii) only

    B)        (ii) and (iv) only          

    C)        (i) and (iii) only           

    D)        (iii) and (iv) only         

    Correct Answer: B

    Solution :

    Air dissolved in water can be removed from it by boiling. Air is a mixture of gases that surrounds the Earth and makes it hospitable for living organisms.


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