2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-4

  • question_answer
    What is the name of excretory organ in Platyhelminthes?

    A) Nephridia

    B) Malphagian Tubes

    C) Flame Cells

    D) Acoelomates

    E) None of these

    Correct Answer: C

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