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

10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-14

  • question_answer
    Who discovered radioactivity?

    A)  Henri Becquerel

    B)  Marie Curie

    C)  Ernest Rutherford          

    D)  James Chadwick

    E)  None of these

    Correct Answer: A

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