Animals of which phylum are included in acoelomates?
a) mollusca
b) nematoda
c) platyhelminthese
d) cnideria
The animals which although possess a fluid filled body cavity, but it is not a true body cavity formed between the layers of mesoderm is called…….
a) coelomates
b) pseudocoelomates
c) acoelomates
d) non-coelomates
Explanation: it develops from blastocoels and not from the archenteron of gastrula
Animals of which phylum are included in pseudocoelomates?
a) mollusca
b) nematoda
c) aschelminthese
d) cnideria
The animals having true body cavity are called……….
a) coelomates
b) pseudocoelomates
c) acoelomates
d) non-coelomates
Explanation: the cavity is filled with coelomic fluid
Animals of which phylum/phyla are included in coelomates?
a) aschelminthese
b) platyhelminthese
c) all other than a and b
d) both a and b
Coeomates are classified into…types on the basis of mouth and anus development.
a) two
b) three
c) four
d) five
Explanation: 1. Protostomes and
2. Deutrostomes
