<prompt> Normal urea excretion rate is?1-2 gm per day10-20 gmday20-40 gm per day50-100 gmday  <response>: Ans. is b i.e., 10-20 gmdayRef: Medical physiology E Book 2de p. 767The physiologically normal individual excrete 12-20 gm of urea nitrogen in 24 hours 