Question

The form of nitrogen absorbed by plants is _________

• A. NO2–
• B. N2O
• C. NH3
• D. NO

Answer 1

Answer:

A. NO2–

• Plants absorb nitrogen in form of NO₂^– and NO₃^–.

• N₂O and NO are obtained from electrical N₂ fixation.

• NH₃ is the first stable product.