The correct option is B Ketonuria
Ketonuria is the presence of ketone bodies in urine. Ketones are end products of fatty acid metabolism. Generally ketones are completely broken down in the liver. But during ketonuria, large amounts of ketone bodies are present in urine.
Alkaptonuria or black urine disease is a rare genetic disorder in which the body cannot completely break down tyrosine and phenylalanine. This results in accumulation of homogentisic acid in the body which turns urine to black colour.
Glycosuria refers to a condition where excess glucose is excreted in urine.
Uremia is accumulation of urea in blood.