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

  • Option 1)

    Round worms (Aschelminthes) pseuocoelomates

  • Option 2)

    Molluscs are acoelomates

  • Option 3)

    Insects are pseudocoelomates

  • Option 4)

    Flat worms (Platyhelminthes) are coelomates

 

Answers (1)

 

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

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