Following are the test done for proteins, sugar & ketones. Which will be positive in starvation state in urine?
1 & 2
Only 2
Only 3
2 & 3
In Starvation, Ketone body will be positive in urine. Proteins Carbohydrates Ketone bodies Biuret test positive only if it has at least 2 peptide bonds. Benedict's test Positive for reducing sugars Rothera's test (image shown below) Gerhardt's test.
Basics of carbohydrate metabolism