Urea, a nitrogen-containing compound produced by the liver and excreted in urine, is also widely used commercially for what other purpose?
AAs a fuel additive for vehicles
BAs a nitrogen-rich agricultural fertilizer
CAs a common food sweetener
DAs a common building material
Explanation
Urea is a nitrogen-containing waste product formed in the liver as the body breaks down excess proteins and ammonia, and it is subsequently carried by the blood to the kidneys, where it’s filtered out and excreted from the body in urine. Beyond this important biological role, urea is also widely manufactured industrially and used commercially as a nitrogen-rich agricultural fertilizer, helping supply crops with an essential nutrient needed for healthy growth. This dual role, as both a natural waste product and a widely produced industrial and agricultural chemical, makes urea a notably significant compound within both biology and chemistry. Explore more Everyday Science MCQs on mcqstutor to keep practicing.

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