Question

Choose the correct sentences about urine.

• A. Urine contains 95% inorganic wastes and 5% water.
• B. Urine is amber colored due to the presence of urochrome.
• C. Urine contains both organic and inorganic waste materials.
• D. Protein-rich food increases the amount of urea in urine.

Answer 1

Answer: (B), (C), (D)

The correct options are
B Urine is amber colored due to the presence of urochrome.
C Urine contains both organic and inorganic waste materials.
D Protein-rich food increases the amount of urea in urine.

Urine is a product of the excretory system. It helps in the excretion of water and waste materials out of the body.
$\bullet$ Composition of urine includes 96% water and 4% organic and inorganic materials.
$\bullet$ Urochrome is a pigment produced by the liver and is responsible for the amber colour of urine.
$\bullet$ Deamination of proteins result in the production of urea. Hence, consumption of more proteins result in more urea production.