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NEET Biology Organisms and population Question Bank Ageing and Death

  • question_answer
    Thymus and brain are the main factors in the ageing

    A) Stress theory

    B) Gene theory

    C) Pacemaker theory

    D) Mutation theory

    Correct Answer: C

    Solution :

    Immunological (Thymus) & neuroendocrine (Brain) control theories of ageing are collectively called a pace-maker theory of ageing.


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