Which of the following is nitrogenous fertiliser for amide group?

Answer: Option B

Urea is nitrogenous fertilizer for the amide group.
Urea (also known as carbamide or carbonyl diamide) is produced by reacting ammonia with carbon dioxide. It is the most concentrated solid nitrogenous fertilizer, containing 46 percent nitrogen.
Roughly 85% of urea solution produced is used in fertilizer mixtures, with 3% used as animal feed supplements and 12% used for plastics and other uses. Urea is marketed as a solution or in solid form.