SSC CHSL 26 May 2022 Shift 2 Paper

Section: General Awareness

Question : 87 of 100

Marks: +1, -0

Which of the following is a group of primitive vertebrates having a large jawless sucking mouth, no limbs or paired fins and a completely cartilaginous skeleton with a persistent notochord?

Cyclostomata
Aschelminthes
Hemichordata
Arthropoda

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