Question

Plants absorb nitrogen as

• A. Nitrate
• B. Nitrite
• C. Ammonium ions
• D. All the above

Answer 1

The correct option is D All the above

Nitrogen is one of the essential macroelements present in plants. It is one of the non-mineral elements. Plants absorb nitrogen from soil as nitrate (NO−3NO3−). Nitrogen is required in largest amount in plants. It is mainly required in the meristematic tissues and metabolically active cells. It is present in large number of biomolecules, so it is essential for plants.

So, the correct answer is 'All the above'