A) haemocoel
B) entero coelom
C) pseudocoelom
D) schizocoel
Correct Answer: C
Solution :
Coelom derived from blastocoel is known as pseudocoelom e.g., round worms. Between the bodywall and visceral organs is a spacious fluid filled cavity. This cavity is not the true coelom as [a] it is not lined by coelomic epithelium [b] it develops from blastocoel i.e., between mesoderm and endoderm of the embryo. The body cavity around the viscera contains blood and is called haemocoel. e.g., cockroach. A true coelom lined by ciliated mesothelium is present. It is enterocoelous, and contains a fluid with free amoeboid cells called coelomocytes. The coelomic fluid plays an important role in food and gas transport.
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