NEET 2011 Biology question
Which one of the following structures in Pheretima is correctly matched with its function?
Answer: (1)
Solution
In the earthworm Pheretima, segments 14-16 form the glandular, ring-like clitellum. During the breeding season it secretes the cocoon (egg case) in which eggs and sperm are deposited and fertilisation occurs, so (1) is correct. (2) is wrong: the gizzard (segments 8-9) grinds food particles;
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