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NEET AIPMT SOLVED PAPER 2003

  • question_answer
                    Darwin in his 'Natural Selection Theory', did not believe in any role of which one of the following in organic evolution?                                                                                                                                                        

    A)                 Struggle for existence                        

    B)                 Discontinuous variations

    C)                 Parasites and predators as natural enemies  

    D)                 Survival of the fittest

    Correct Answer: B

    Solution :

                    Natural theory of Darwin did not believe in any role of discontinuous variations. Darwin called these variations as ?sports?. While Hugo de Vries used the term mutation to these variations. These variations are sudden heritable changes which can occur in any stage of development.


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