A) urea
B) uric acid
C) urochrome
D) bilirubin
Correct Answer: C
Solution :
The yellow colour of urine is due to the presence of pigment urochrome. This pigment is formed by bile pigment bilirubin. \[\begin{align} & Bilirubin \\ & \,\,\,\,\,\,\,\,\,\,\,\,\downarrow Liver \\ & Intestine \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\downarrow \\ & Urobilinogen \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\downarrow \\ & Urochrome \\ & (yellow\,pigment\,of\,urine) \\ \end{align}\] Urea and uric acid are excretory product of nitrogenous substances.
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