2. Sample Papers
  3. 7th Class
  4. General Knowledge

7th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-4

  • question_answer
    Which among the following factors are essential for 'blood coagulation'?

    A)  Vitamin K

    B)  Calcium ion (Ca++)

    C)  Both (a) and (b)

    D)  Either (a) or (b)

    E)  None of these

    Correct Answer: C

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