10th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-4

  • question_answer
    Which one of the following devices is used to measure blood pressure?

    A)  Phonograph                 

    B)  Electroscope

    C)  Dynamo                  

    D)  Sphygmomanometer

    E)  None of these

    Correct Answer: D

    Solution :

             Not Available


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