2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    Which one of the following waste products is removed by the kidney from the blood?

    A) Urea and salt

    B) Carbon dioxide and sugar

    C) Oxygen and salt

    D) Glucose and salt

    E) None of these

    Correct Answer: A

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