If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is:
Correct answer: A. Coelomic fluid
- A. Coelomic fluid
- B. Haemolymph
- C. Slimy mucus
- D. Excretory fluid
Explanation
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.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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