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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

Which of the following organisms is known to be a jawless vertebrate?

Options

  1. APetromyzon
  2. BScoliodon
  3. CPristis
  4. DTrygon

Correct answer

A. Petromyzon

Step-by-step solution

Petromyzon (Lamprey) belongs to the class Cyclostomata of phylum Chordata. Scoliodon (Dog fish), Pristis (Saw fish) and Trygon (Sting ray) belong to the class Chondricthyes of phylum Chordata.

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