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  5. Respiration in Organisms

7th Class Science Respiration in Organisms Question Bank Respiration In Plants And Animals

  • question_answer
    Which of the following increases in muscle cells when they are lacking in oxygen?

    A) uric acid        

    B) lactic acid

    C) lactose            

    D) carbon dioxide

    Correct Answer: B

    Solution :

    lactic acid


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