Question
Biology Question on Structural Organisation of Animals and plants
If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is
A
coelomic fluid
B
haemolymph
C
slimy mucus
D
excretory fluid.
Answer
coelomic fluid
Explanation
Solution
Coelom or body cavity of earthworm is filled with coelomic fluid. It lies between body wall and alimentary canal. So if a live earthworm is pricked with a needle on its outer surface without damaging the gut then only coelomic fluid will come out.