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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development2 Marks
Question
  1. What is florigen?
  2. Which hormone breaks seed dormancy? State the mechanism involved.
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Answer

  1. Florigen is a hypothetical hormone which induces flowering in plants.
  2. Gibberellin breaks seed dormancy. It mobilises the enzyme to hydrolyse stored food present in seed at the time of seed germination.

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