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Question
Which of the following is correctly matched in Pheretima?
Which of the following is correctly matched in Pheretima?
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Solution
The correct option is A Clitellum - secretes cocoon
In mature earthworms, a prominent dark band of glandular tissue called clitellum is present in the 14th, 15th and 16th segments. It produces a cocoon inside where the fertilisation and development takes place.
The gizzard is a muscular organ that helps to grind the soil particles and decaying leaves ingested by the earthworm.
Setae are chitinous structures that help the earthworm in locomotion.
Typhlosole are infoldings in the mid-dorsal wall of the intestine. This increases the area of absorption in the intestine.
In mature earthworms, a prominent dark band of glandular tissue called clitellum is present in the 14th, 15th and 16th segments. It produces a cocoon inside where the fertilisation and development takes place.
The gizzard is a muscular organ that helps to grind the soil particles and decaying leaves ingested by the earthworm.
Setae are chitinous structures that help the earthworm in locomotion.
Typhlosole are infoldings in the mid-dorsal wall of the intestine. This increases the area of absorption in the intestine.
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