Q.

The yellow colour of urine is due to the presence of
a) Urea          b) Uric acid         c) Urochrome        d) Bilirubin

1 A
2 B
3 C
4 D

Ans.

(c) The yellow colour of urine is due to the presence of pigment Urochrome. This pigment is formed by bile pigment bilirubin.

    Bilirubin
        ↓Liver
    Intestine
        ↓
   Urobilinogen
        ↓
   Urochrome (Yellow pigment of urine)