Question:
Excretory product of spider
Excretory product of spider
Updated On: Jul 28, 2022
- uric acid
- mamoma
- guanine
- none of these
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The Correct Option is C
Solution and Explanation
Guanine is a metabolic waste of nucleotide metabolism found in spider and penguin. Spiders take proteinaceous fluids. They cannot excrete excess nitrogen in soluble form (such as animal urine) because they cannot afford the relatively huge water losses required to solubilize urea. So, faecal excretions are often coated or filled with guanine which is a highly water insoluble organic compound, containing 5 nitrogen atoms per molecule.
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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:
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