Q. Which of the following is not true about the urea?
A) It can be stored easily
B) It should be applied at sowing time
C) It cannot be used for all types of crops and soils
D) The cost of production of urea is cheap
Explanation
(c)
Urea $(NH_{2} - CO - NH_{2})$can be use for all types of crops and soil. It is hazardous hence can be store easily and it is$\$cheap as it can be manufactured from crude nephthalein. After assimilation of urea by plants through the interaction of nitrifying bacteria, it leaves behind only carbon di oxide in the soil.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.