2. Sample Papers
  3. 6th Class
  4. Science

6th Class Science Sample Paper Science Sample Paper-5

  • question_answer
    The organ given below is the main excretory system through which excess urea and salt is expelled from the human body. Name it.

    A) Brain    

    B) Heart

    C) Lung                

    D) Kidney

    E) None of these

    Correct Answer: D

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