What is floral hormone ? from Biology Plant Growth and Developm
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    Plant Growth and Development

    Multiple Choice QuestionsShort Answer Type

    11. How will you eradicate weeds from a field?
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    12. What is floral hormone ?

    The floral hormone or Florigen hormonal substance(s) that is responsible for flowering. The hormonal substance migrates from leaves to shoot apices for inducing flowering only when the plants are exposed to the inductive photoperiod.
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    13. How can a fruit be made to ripen artificially?
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    14.

    How can we quantitatively compare the growth of living system?

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    15. What is plasticity?
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    16. Which phenomenon is introduced by auxin ?
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    17. What is scarification ?
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    18. Give the structural formula of Indole-3-acetic acid (IAA).
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    19. Give the structural formula of Indole butyric acid (IBA).
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    20. Name an antisenescence hormone.
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