In the diagram, the structure labelled II is the? by Sunday | Sep 6 | Biology JAMB | 0 comments A. spermathecal pore B. cocoon C. clitellum D. chaetea Correct Answer: Option C – clitellum Users Also Read These:Which of the labelled parts of the diagram of the…The structure that controls loss of water vapour…In the diagram, the structure labelled I is sensitive to?The part labelled III in the diagram below is the…The structure labelled i is?