Biology · STRUCTURAL ORGANISATION IN ANIMALS
हिन्दीWith respect to the excretory system of Rana tigrina, which statement correctly identifies its structural units and primary nitrogenous waste?
Correct answer · Option 3
Uriniferous tubules or nephrons; ureotelic animal excreting urea separated by the kidneys.
Explanation
Each kidney is composed of uriniferous tubules or nephrons. The frog excretes urea and is therefore a ureotelic animal.