Identify the incorrect matching.

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Question

(A) In option $A$,the character 'Flame cells' is incorrectly matched with Cephalochordata. Flame cells (protonephridia) are the excretory organs found

Vedclass · Accepted Answer

Phylum/Subphylum $\rightarrow$ Cephalochordata,Character $\rightarrow$ Flame cells,Animal $\rightarrow$ Branchiostoma

Vedclass · Answer

(A) In option $A$,the character 'Flame cells' is incorrectly matched with Cephalochordata. Flame cells (protonephridia) are the excretory organs found in Phylum Platyhelminthes (e.g.,Taenia). Cephalochordates like Branchiostoma possess protonephridia with solenocytes for excretion,but they are not termed 'Flame cells'.In option $B$,Urochordata members are exclusively marine,and Doliolum is a correct example.In option $C$,Ctenophores exhibit bioluminescence,and Pleurobrachia is a representative genus.In option $D$,Balanoglossus belongs to Hemichordata (often studied alongside Chordata due to notochord-like structures),and it exhibits bilateral symmetry.

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