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Keber's organ is similar to
A. Stomach
B. Kidney
C. Pericardium
D. Ctenidium

Last updated date: 23rd May 2024
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Hint: The excretory organ in certain organisms like molluscs is Keber's organ.
Keber's organ is similar to the kidney.

Complete answer:
Keber's organ is a gland-like structure that is present in the region in front of the pericardium. The organ is responsible for the removal of the nitrogenous wastes. It is also known as 'pericardial gland' and is a large, reddish-brown glandular mass. It is situated anterolateral to the pericardium into which it discharges the waste material. From there the 'Organ of Bojanus' collects the wastes and discharges them outside the body.

Additional Information:
- Mollusks along with Keber's organ possess the Organ of Bojanus.
- The organ of Bojanus or Bojanus organs refers to the excretory glands present on each side of the body below the pericardium of some mollusks. It serves the function of kidneys.
- In other words, these are metanephridia that are found in some molluscs, for example in the bivalves, sepia, octopus, mussels, etc.
- The Bojanus organ was named after the famous biologist Ludwig Heinrich Bojanus, who first described it.

So, the correct answer is ‘Kidney’.

- The Keber's organ may be located over the auricle surface (articular glands), on the pericardium (pericardial glands) or in both positions.
- Pericardial glands of bivalves have revealed that these consist of podocytes where the base of cytoplasmic extensions gives rise to numerous pedicels. These form a net with slits through which the fluid is filtered.