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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development2 Marks
Question
Explain some internal causes of seed dormancy.
✓

Answer

Internal causes of seed dormancy:
  1. Impermeable and hard seed coat.
  2. Presence of chemical inhibitors, such as absicissic acid, phenolic acid, para ascorbic acid, etc.
  3. Immature embryo.

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