Q. Freshly passed urine has hardly any smell but when it is allowed to stand, it develops a strong ammoniacal odour owing to

• A. conversion of urea to ammonia via urea cycle
• B. conversion of urea to ammonia by bacteria
• C. conversion of uric acid, urea and creatinine to ammonia
• D. conversion of uric acid and urea to ammonia

Correct Answer: D