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Mineral Nutrition — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYMineral Nutrition2 Marks
Question
Define nitrogen fixation.
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Answer

The process of converting atmospheric nitrogen ($N_2$) into ammonia is termed as nitrogen fixation. Nitrogen fixation can occur by two methods:
  1. Biological
  2. Non – Biological.

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