Statement-I :- Cyclostomata do not have jaws. | vedclass

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Question

(A) Statement-$I$ is correct: Cyclostomata are jawless vertebrates. They belong to the class Cyclostomata,which is characterized by the absence of tru

Vedclass · Accepted Answer

Both statement-$I$ and statement-$II$ are correct

Vedclass · Answer

(A) Statement-$I$ is correct: Cyclostomata are jawless vertebrates. They belong to the class Cyclostomata,which is characterized by the absence of true jaws.Statement-$II$ is correct: Urochordates (also known as Tunicates) are protochordates where the notochord is present only in the larval tail. They do not possess a vertebral column; hence,they are non-vertebrate chordates.Therefore,both statements are correct.

$(a)$ Operculum	$(i)$ Ctenophora
$(b)$ Parapodia	$(ii)$ Mollusca
$(c)$ Scales	$(iii)$ Porifera
$(d)$ Comb plates	$(iv)$ Reptilia
$(e)$ Radula	$(v)$ Annelida
$(f)$ Hairs	$(vi)$ Cyclostomata and Chondrichthyes
$(g)$ Choanocytes	$(vii)$ Mammalia
$(h)$ Gill slits	$(viii)$ Osteichthyes

Statement-$I$ :- Cyclostomata do not have jaws.
Statement-$II$ :- Urochordates do not have a vertebral column.

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Statement-$I$ :- Cyclostomata do not have jaws.Statement-$II$ :- Urochordates do not have a vertebral column.