Which one of the following statements about certain given animals is correct?
Round worms (Aschelminthes) pseuocoelomates
Molluscs are acoelomates
Insects are pseudocoelomates
Flat worms (Platyhelminthes) are coelomates
Phylum Aschelminthes (roundworm) -
Body is circular in cross-section. They are free-living, aquatic and terrestrial or parasitic. Bilateral symmetry, triploblastic and pseudocoelomates.
- wherein
Eg. Ascaris, Wucheria, Ancylostoma.
Pseudocoelomates -
Body cavity is not lined by mesoderm, instead, they are present as scattered pouches between ectoderm and endoderm.
- wherein
Eg. aschelminthes
Option 1)
Round worms (Aschelminthes) pseuocoelomates
Correct
Option 2)
Molluscs are acoelomates
Incorrect
Option 3)
Insects are pseudocoelomates
Incorrect
Option 4)
Flat worms (Platyhelminthes) are coelomates
Incorrect