Question:

Functional kidney of mammals is

Updated On: Jul 29, 2023
  • archinephros type
  • ophisthonephros type
  • pronephros type
  • metanephros type
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The Correct Option is D

Solution and Explanation

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.

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Concepts Used:

Excretory products and their elimination

The physiological process of the elimination of metabolic waste from the body is called excretion. The excretory products comprise amino acids, carbon dioxide, urea, uric acid, water, and ammonia. Some of the Molluscs and Echinoderms excrete waste products from the body in the form of amino acids. Ammonia is the foremost excretory product in animals, it is derived from the proteins exists in the food we eat.

Excretory Products in Different Organisms:

Excretory Products in Different Organisms

Read More: Excretion in Human Beings