In which of the following cases, benedicts test comes false positive
High-Yield Explanation
Option 4
In case of Alkaptonuria, homogentisic acid is accumulated in and gets excreted in urine. It is a reducing substance and hence gives false positive Benedict's test.
Option 1, 2 & 3:
Give true positive Benedict's test.
Galactose, Glucose are reducing sugars.