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NTSE Sample Paper NTSE SAT Practice Test-20

  • question_answer
    All chordates are not vertebrates whereas all vertebrates are chordates. This fact is based on the presence or absence of which structure in the vertebrates or chordates?          

    A) Pharyngeal gill slits                 

    B) Notochord                       

    C) Dorsal hollow nerve chord          

    D) Vertebral column    

    Correct Answer: D

    Solution :

    [d] It is present only in the vertebrates   


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