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Mineral Nutrition — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMineral Nutrition3 Marks
Question
Answer the following questions with reference to nitrogen:
  1. The form in which it is absorbed from the soil.
  2. In which part of the plant it is required?
  3. Two organic compounds in which it is a component.
✓

Answer

  1. It is absorbed as $\mathrm{NO}_3{ }^{-}, \mathrm{NO}_2{}^{-}$and $\mathrm{NH}_4{ }^{+}$ ions.
  2. It is required in the meristematic tissues and metabolically active cells.
  3. It is a constituent of nucleic acids, amino acids, vitamins, proteins, etc.

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