Which one of the following statements about certain given animals is correct?

Options

A. Flat worms (Platyhelminthes) are coelomates
B. Round worms (Aschelminthes) are pseudocoelomates
C. Molluses are acoelomates
D. Insects are pseudocoelomates

Answer

B

Explanation

Aschelminthes posses pseudocoelom i.e. the body cavity is present but it is not lined by the mesoderm instead the mesoderm is present as scattered pouches in between ectoderm and endoderm.