The tests and their corresponding substances are as follows:
- Benedict's test is used to detect Glucose, so (A) matches with (III).
- Rothera's test is used to detect Ketone, so (B) matches with (I).
- Harrison's test is used to detect Bile pigment, so (C) matches with (IV).
- Schleisinger's test is used to detect Urobilin, so (D) matches with (II).
Thus, the correct matching is (A)
-(III), (B)
-(I), (C)
-(IV), (D)
-(II).