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7th Class Science Respiration in Organisms Question Bank Respiration in organisms

  • question_answer
    Which of the following organisms respire through tracheal system?

    A)  Earthworm       

    B)         Cockroach         

    C)         Fish                      

    D)         Frog

    Correct Answer: B

    Solution :

    Tracheal respiration is found in cockroach.


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