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5th Class Science Weather, Air and Water Question Bank Air, Water and Weather

  • question_answer
    Which of these gases is present in a very small quantity in air, and is very important to plants?

    A)  oxygen                               

    B)                         carbon dioxide                

    C)                         nitrogen                             

    D)                         inert gas                             

    Correct Answer: B

    Solution :

    Carbon dioxide gas is essential for the synthesis of food taking place in green plants.


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