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

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

  • question_answer
    What is the hardest substance in the human body?

    A)  Teeth              

    B)  Backbone

    C)  Tympanum                  

    D)  Enamel

    E)  None of these

    Correct Answer: D

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