Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    Compare the statements A and B.
    Statement A Auxins promote apical dominance by suppressing the activity of lateral buds.
    Statement B In moriculture, periodic pruning of shoot tips is done to make mulberry plants bushy.
    Select the correct description.

    A)  Both the statements A and B are correct and A is the reason for B

    B)  Statement A is correct and B is wrong

    C)  Statement A is wrong and B is correct

    D)  Both the statements A and B are correct and A is not the reason for B

    Correct Answer: A

    Solution :

     The apical bud inhibits the growth of terminal buds further down the stem by a phenomenon known as apical dominance. Auxin is produced by shoot tip and acts as a growth promoter for apical bud and inhibit the growth of lateral buds. When a terminal bud is removed, the nearest axillary buds begin to grow and the plant branches rapidly. In case of mulberry plants, pruning is done to remove apical dominance and causes more branching of the main body of the plant.


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