Q. Which one of the following is correct?
In normal humans

 2235  211 KEAMKEAM 2012Excretory Products and their Elimination Report Error

Solution:

In a person suffering from diabetes mellitus, degradation of fat increases resulting in the production of ketone bodies. These are acidic and poisonous and get excreted out in urine. Therefore, presence of ketone bodies in urine is an indicator of diabetes mellitus. pH of urine is . On an average, of urea is excreted via urine daily. Contraction of smooth muscles of the bladder and simultaneous relaxation of the urethral sphincter causes release of urine.