WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    According to Darwin, the organic evolution is due to

    A)  intraspecific competition

    B)  interspecific competition

    C)  competition within closely related species

    D)  reduced feeding efficiency in one species due to the presence of interfering species

    Correct Answer: B

    Solution :

     Darwin stated that, the organic evolution is due to interspecific competition. It is the competition between members of different species. Intraspecific competition occurs amongst members of the same species for obtaining optimum amounts of their food,  shelter, mate, water, light, etc. Closely related species if compete cannot cause evolution. Reduced feeding efficiency in one species due to the presence of interfering species is due to strugle for existence.


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