J & K CET Medical J & K - CET Medical Solved Paper-2005

  • question_answer
    The shedding of leaves, flowers or fruits due to change in the hormonal balance in plants is referred as:

    A)  senescence                      

    B)  abscission

    C)  photoperiodism             

    D)  vernalisation

    Correct Answer: A

    Solution :

                    Process of deterioration that acompany ageing and lead to death of an organ or organism is called senescence. Cytokinins delay leaf senescence, auxins also delay but ethylene and ABA promote senescence.


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