Question

Where is the transverse excretory duct of Taenia located?

• A. Anterior side of proglottid
• B. Posterior side of proglottid
• C. Sides of proglottid
• D. Centre of proglottid

Answer 1

The correct option is B Posterior side of proglottid

Tapeworm is a flat worm. It belongs to Platyhelminthes. It has a bilaterally symmetrical body. They have false segments. There are two lateral longitudinal excretory canals of which one is dorsal and the other ventral and they get connected by a nephridial plexus in scolex. Dorsal canals are confined to the anterior region of body. Ventral canals are large and extend along the entire length of body. Ventral canals of each side are connected by a transverse canal at the posterior part of each proglottid and open on the posterior end of proglottid by excretory pores.

Therefore, the correct answer is option B.