Question:

Malpighian tubules serve as excretory organs in which of the following phyla?

Updated On: Aug 15, 2022
  • Annelida
  • Arthropoda
  • Aschelminthes
  • Mollusca
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The Correct Option is B

Solution and Explanation

Malpighian tubules serve as excretory organs in most members of the Phylum Arthropoda. In Phylum, Annelida, nephridia are the excretory organs. In Phylum Aschelminthes, excretory system consists of gland cells or of canals or of both. In Phylum Mollusca, excretory organs are one or two pairs of sac - like kidneys.
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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