Home › AP EAMCET › Biology › Zoology Unit 4: Animal Diversity-II: Phylum Chordata › Which class is the only living jawless class in …
Which class is the only living jawless class in the NCERT scheme?
ACyclostomata
BChondrichthyes
COsteichthyes
DAmphibia
Answer & Solution
Correct answer: A. Cyclostomata
Cyclostomes (lampreys and hagfishes) are the jawless vertebrates; all others have jaws.
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