Class 11 NEET Biology Excretory Products and Their Elimination

(d) : Under fasting conditions which are associated with high rate of fatty acid oxidation, the liver produces large amount of ketone bodies viz. acetoacetate, β -hydroxybutyrate and acetone. The normal level of ketone blood level is 0.2‌mmol∕L. Presence of excess ketone bodies in urine is termed as ketonuria.