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Question
Which of the following is the excretory organs of earthworm?
Which of the following is the excretory organs of earthworm?
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Solution
The correct option is C Nephridia
The earthworm is an invertebrate animal which belongs to the phylum Annelida. They are made up of many segments. Each segment of earthworm contains two nephridia. Each nephridia open into the body cavity of an earthworm. The nephridia is composed of two parts, namely, nephridiostome and nephridiopore. The food eaten by earthworm is absorbed through the cilia present in nephridiostome. In earthworm, the urea, salts and water are excreted out through the nephridiopore of nephridia. Thus, the correct option is option C.
The earthworm is an invertebrate animal which belongs to the phylum Annelida. They are made up of many segments. Each segment of earthworm contains two nephridia. Each nephridia open into the body cavity of an earthworm. The nephridia is composed of two parts, namely, nephridiostome and nephridiopore. The food eaten by earthworm is absorbed through the cilia present in nephridiostome. In earthworm, the urea, salts and water are excreted out through the nephridiopore of nephridia.
Thus, the correct option is option C.
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