Animal KingdomHard
Question
If a live earthwore is pricked with a needle on its outer surface without damaging its gut, the fluid comes out is
Options
A.excretory fluid
B.coelomic fiuid
C.haemolymph
D.slimy mucus
Solution
The body cavity of earthworm is true coelom (schizococl) as it is formed by the division of mesoderm. The coelom is filled with milky, alkaline coelomic fluid, which contains different types of corpuscles. Thus, if alive earthwoem is prickled with a needle on its outer surface, the coelomic fluid will come out.
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