How does the cuticle of a cockroach help in excretion? (A)
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The Malpighian tubules perform the excretion in a cockroach. There are glandular and ciliated cells that are present lining each tubule, which absorb the nitrogenous waste products. These are converted into uric acid and excreted out through the hindgut. This is the reason why a cockroach is called a uricotelic.
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Ans- The waxy secretion of the cockroach is present in both sexes. It is a soft material, freely exposed on the surface of the cuticle, which must be readily removed by contact with the surroundings. Some nitrogenous waste materials are deposited on the cuticule and eliminated during molting. these are the special structures found in the cockroach and are highly specific for the excretion. the remove most of the waste and nitrogenous from the body.
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