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Plant Kingdom — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Kingdom3 Marks
Question
Mention any three Pteridophytes and their economic value.
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Answer

Economic Importance of Pteridophyte:
Pteridophyte:
  • Marsilea
  • Azolla
  • Pteris vittata
Uses:
  • Food
  • Biofertilizer
  • Removal of heavy metals from soils – Bioremediation

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