Q. An animal without anus is
A) Unio
B) Pheretima
C) Fasciola
D) Periplaneta
Explanation
Blind sac body plan is exhibited by some eumetazoans like cnidarians (e.g., Hydra) and flateworms (e.g., Fasciola) in which, the body of animal has a single opening which acts as both mouth and anus.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.