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

  • question_answer
    DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 4 The main organ of the human excretory system through which waste material is eliminated from the body is kidney. What is the major excretory product in humans?

    A) Sweat            

    B) water

    C) urea                

    D) salt

    Correct Answer: C

    Solution :

    urea    


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