What is the name of a functional kidney in fishes? A) Pronephros B) Mesonephros C) Metanephros D) Opisthonephros Related MCQs: Metal ions used by many enzymes to change their non-functional active sites to functional ones are called? The procedure of Shattering the gallstones and kidney by shockwaves, is called? The procedure of shattering gallstones and kidney stones by shockwaves is called? It is a story of two non-functional batches of ….. armoured cars?