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Plant Growth and Development — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Growth and Development3 Marks
Question
What are the characteristic features of phytohormones?
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Answer

  • Usually produced in tips of roots, stems and leaves.
  • Transfer of hormones “from one place to another takes part through conductive systems.
  • They are required in trace quantities.
  • AH hormones are organic in nature.
  • There are no specialized cells or organs for their secretion.
  • They are capable of influencing physiological activities leading to promotion, inhibition and modification of growth.

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