2. Sample Papers
  3. 10th Class
  4. General Knowledge

10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-7

  • question_answer
    Who developed the first blood bank and a system for storing blood plasma?

    A)  Charles Drew

    B)  Lee Deforest

    C)  Joseph Dart                  

    D)  Robert Dennard

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available                


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