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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • To prevent sprouting in onions, the hormone used is: ((MCAER 2014))

    Question: To prevent sprouting in onions, the hormone used is: ((MCAER 2014))

    Options:

    Delay senescence (aging)
    Promote cell division
    Stimulate root growth
    All of the above

    ✅Explanation: Cytokinin is a plant hormone with multiple functions. It can delay senescence (aging) of plant tissues, promote cell division and growth, and stimulate root development.

    🔑Key Points:

    ✏Cytokinins:
    -It naturally works in coordination with auxins.
    -It is helpful in making RNA and Protein.
    -It helps in breaking the dormancy of seed.
    -It helps in cell division and development in the presence of auxins.

    ✏Abscisic Acid:
    -This hormone is against growth.
    -It keeps the seeds and buds in a dormant condition.
    -It delays the flowering of long-day plants.

    ✏​​Ethylene:
    -It helps in the ripening of fruits.
    -This increases the number of female flowers.

    ✏Florigen:
    -It helps in the blooming of flowers.
    -It is also called the flowering hormone.

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