Which form of nitrogen is available in urea

Answer: Option B

Urea is the chemical fertilizer used in plants as a source of nitrogen in the form of amide, which is an essential nutrient crucial for plants' growth and development.
Urea is the most used and important nitrogenous fertilizer in the country because of its high nitrogen content (46%).
The amide form of nitrogen is converted into ammonical form and then to nitrates in the presence of soil microorganisms.