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  3. 7th Class
  4. Science
  5. Transportation in Animals and Plants

7th Class Science Transportation in Animals and Plants Question Bank Transportation in Animals and Plants

  • question_answer
    Which of the following mechanisms is not used by human beings for excretion of waste materials from their bodies?

    A) Exhalation                  

    B) Perspiration

    C) Defecation                  

    D) Transfusion

    Correct Answer: D

    Solution :

    Transfusion is not an excretory mechanism.


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