Question
Biology Question on excretory products and their elimination
Functional kidney of mammals is
A
archinephros type
B
ophisthonephros type
C
pronephros type
D
metanephros type
Answer
metanephros type
Explanation
Solution
Metanephros in the functional kidney in mammal birds and reptiles. Metanephros develops from posterior part of mesomere. It is also known as posterior kidney. Archinephros type of kidney is present in larval of hagfish caeullians. Ophisthonephros type (mesonephros) is found in fish and amphibians white pronephros occur only in embryo or larval stage, but modified pronephros (head kidney) is found is adult hagfish and several bony fishes.