Q615
Urin contains only
A.
0.5% N
B.
0.2% N
C.
1.5% N
D.
1.0% N
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Urine contains only 1.0% N.About 91–96% of urine consists of water. The remainder can be broadly characterized into inorganic salts, urea, organic compounds, and organic ammonium salts.
Cellular metabolism generates many by-products that are rich in nitrogen and must be cleared from the bloodstream, such as urea, uric acid, and creatinine. Urine can also be used safely as a source of nitrogen in carbon-rich compost.