Q. If a live earthworm is pricked with a needle on its other surface without damaging its gut, the fluid that may come out is
A) Slimy mucous
B) Excretory fluid
C) Coelomic fluid
D) Haemolymph
Explanation
The body cavity of earthworm is the true coelom, being lined by coelomic epithelium. The coelom contains coelomic fluid secreted by the coelomic epithelium. The coelomic fluid oozes out via dorsal pores to keep the skin moist which helps in respiration
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.