A yound infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. The yellow colour of stool is due to

Options

A. bile pigments passed through bile juice
B. undigested milk protein casein
C. pancreatic juice poured into duodenum
D. intestinal juice.

Answer

A

Explanation

The yellow colour of the stool is due to bile pigments. These are present in the bile juice which is produced by liver and stored in the gall bladder. Bile pigments are excreted out in the faeces and given the faeces its yellow colour.