Q. A young 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. What is this yellow colour due to?
A) Bile pigments passed through bile juice
B) Undigested milk protein casein
C) Pancreatic juice poured into duodenum
D) Intestinal juice
Explanation
[Solution from source] Bile carries the pigments bilirubin and biliverdin, formed from haemoglobin breakdown, into the intestine, and their products colour the faeces yellow. Pancreatic and intestinal juices carry enzymes, not pigments. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.