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

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

  • question_answer
    Which component of blood is responsible for blood clotting in case of cut or wound?

    A) RBC     

    B) WBC

    C) Haemoglobin     

    D) Platelets

    E) None of these

    Correct Answer: D

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