Question

Class Archiannelida is characterised by

• A. Presence of setae
• B. Presence of parapodia
• C. Presence of both setae and parapodia
• D. Absence of both setae and parapodia

Answer 1

The correct option is D Absence of both setae and parapodia

Archiannelida is an order of primitive polychaete worms. They are small primitive or secondarily simplified annelid worms lacking external segmentation. Prostomium small, with or without appendages, parapodia absent, septa reduced or absent.

Therefore, the correct answer is option D.