All worms are

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Question

(A) The term 'worms' is a general,non-taxonomic grouping that includes Platyhelminthes (flatworms),Aschelminthes (roundworms),and Annelida (segmented

Vedclass · Accepted Answer

Triploblastic

Vedclass · Answer

(A) The term 'worms' is a general,non-taxonomic grouping that includes Platyhelminthes (flatworms),Aschelminthes (roundworms),and Annelida (segmented worms).Among the given options,the most accurate characteristic shared by these groups is that they are all triploblastic,meaning they possess three germ layers: ectoderm,mesoderm,and endoderm.Not all worms are segmented (e.g.,Platyhelminthes and Aschelminthes are not),not all are endo-parasites (many are free-living),and not all are free-living (many are parasitic).Therefore,the correct answer is $A$.

Column-$I$	Column-$II$
$(a)$. Planula	$(i)$. Mussel
$(b)$. Glochidium	$(ii)$. Crab
$(c)$. Nauplius	$(iii)$. Obelia
$(d)$. Cysticercus	$(iv)$. Nereis
	$(v)$. Taenia solium

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The appropriate sequence of numbered animals from column-$II$ matching with the sequence of larvae in column-$I$ is
Column-$I$ Column-$II$
$(a)$. Planula $(i)$. Mussel
$(b)$. Glochidium $(ii)$. Crab
$(c)$. Nauplius $(iii)$. Obelia
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