Chloragogen cells of earthworm are similar to which organ of vertebrates?
A
Liver
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B
Lung
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C
Kidney
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D
Spleen
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Solution
The correct option is A Liver Chloragogen cells of earthworm are similar to the liver of vertebrates. The cells store glycogen and neutralize toxins, are yellowish in colour due to the presence of yellow granules, called as chloragosomes and are present in coelomic fluid of some annelids. These cells are derived from the inner coelomic epithelium and help inexcretory functions, as most commonly demonstrated in earthworms. They have characteristic vesicular bulging, which store and transport substances, like glycogen andnitrogenous wastes. They take part in thedeaminationof amino acids and synthesis of urea.