2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-9

  • question_answer
    The theory of use and disuse was used to explain evolution by ____.

    A)  Lamarck                      

    B)  Darwin

    C)  De Vries                       

    D)  Wallace

    E)  None of these

    Correct Answer: A

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