Q. Melanuria is caused by the abnormal catabolism of

A) Alanine
B) Tyrosine
C) Proline
D) Tryptophan
Explanation

Abnormal catabolism of tyrosine causes melanuria. The excretion of urine of a dark colour resulting from the presence of melanin or other pigments, etc.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.