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BotanyNEET 2025Basis of classification

Animal Kingdom

While trying to find out the characteristics of a newly found animal, a researcher did the histology of the adult animal and observed a cavity with the presence of mesodermal tissue towards the body wall, but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelom of that animal?

  1. A.Acoelomate
  2. B.Pseudocoelomate
  3. C.Schizocoelomate
  4. D.Spongocoelomate

Solution

Mesoderm lining the body wall but not the gut marks a false coelom — a pseudocoelomate, as in Aschelminthes. A true coelom has mesoderm on both sides.

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