Q145 / 160 · JIPMER 2012 · Zoology

The most primitive vertebrates are

  • Correct answer
    A
    ostracoderms
  • B
    cephalochordates
  • C
    placoderms
  • D
    cyclostomes

Solution

Class-Ostracodermi of vertebrata includes most primitive vertebrates, e.g., Cephalaspis and Drepanaspis.

Hence, the correct answer is option: 'A'.

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