6th Class Science Air Around us Question Bank Air Around us

  • question_answer
    Which of the following statement(s) is/are correct?

    A) The percentage of oxygen in air inhaled and exhaled by us remains same

    B) Plants use more of oxygen in respiration and produce no oxygen in any of its processes

    C) Plants do not need oxygen for respiration

    D) All of the above

    Correct Answer: D

    Solution :

       


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