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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-4

  • question_answer
    Law of 'Use and disuse' was proposed by:

    A)  Lederberg                     

    B)  Lamarck  

    C)  Darwin            

    D)  Hugo De Vries

    Correct Answer: B

    Solution :

     Lamarck enunciated the law of use and disuse, which states that when certain organs become specially developed as a result of some environmental need, then that state of development is hereditary.


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