Assertion: Liver is referred to as the primary excretory organ in vertebrates.
Reason: Liver helps kidneys in the secretion of urine.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. if both assertion and reason are true but reason is not the correct explanation of assertion.
C. if assertion is true but reason is false
D. if both assertion and reason are false.

Answer

D

Explanation

In vertebrates, the lungs, liver and sking are referred as accessory excretory organs because besides the urinary system, these organs also participate in the removal of waste products from the body. The liver helps in the excretion of cholesterol, bile pigments (bilirubin and biliverdin) inactivated pproduct steroid hormones some vitamins and may drugs. These are carried by the bile to the intensitine and eliminated with the faces. it has no role in secretion of urine.