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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. Sweat contains

    A) urea                

    B) sodium chloride

    C) water             

    D) all of these

    Correct Answer: D

    Solution :

    all of these


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